「緯育 2026-0608」修訂間的差異

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(未顯示同一使用者於中間所作的 10 次修訂)
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== 完整設定表 ==
* Client IP / Gateway
** Switch VLAN
** Access Port
** Trunk
** Router-on-a-stick
** Router Interface
** Static / Floating Static Route
** OSPF
** Default Route
** NAT / PAT
** Static NAT
** IPSec VPN
** ACL
** 最終驗證


{| class="wikitable"
=== 一、終端設備 IP / Gateway 設定 ===
! 類別
 
! 設備 / 位置
{| class="wikitable" style="width:100%;"
! 設定數值
! style="width:12%;" | 階段
! 輸入指令
! style="width:18%;" | 設備 / 項目
! 系統回應 / 驗證結果
! 設定內容與輸入指令
! 說明
|-
|-
 
| Client IP
| 終端設備
| S1 管理 IP
| S1 網管 IP
| 狀態:完成<br>VLAN:99<br>IP:10.1.99.101<br>Mask:255.255.255.0<br>Gateway:10.1.99.254<br><br>輸入指令:<br><code>conf t</code><br><code>interface vlan 99</code><br><code>ip address 10.1.99.101 255.255.255.0</code><br><code>no shutdown</code><br><code>exit</code><br><code>ip default-gateway 10.1.99.254</code><br><br>
| IP:10.1.99.101<br>Mask:255.255.255.0<br>Gateway:10.1.99.254
| <pre>
在 Switch S1 的 Config / VLAN Interface 或 CLI 設定:
interface vlan 99
ip address 10.1.99.101 255.255.255.0
no shutdown
exit
ip default-gateway 10.1.99.254
</pre>
| <pre>
show ip interface brief
 
Vlan99  10.1.99.101  YES manual  up  up
</pre>
| S1 管理 VLAN 使用 VLAN99,Gateway 指向 R1 的 Fa0/0.99:10.1.99.254。
|-
|-
 
| Client IP
| 終端設備
| S2 管理 IP
| S2 網管 IP
| 狀態:完成<br>VLAN:99<br>IP:10.1.99.102<br>Mask:255.255.255.0<br>Gateway:10.1.99.254<br><br>輸入指令:<br><code>conf t</code><br><code>interface vlan 99</code><br><code>ip address 10.1.99.102 255.255.255.0</code><br><code>no shutdown</code><br><code>exit</code><br><code>ip default-gateway 10.1.99.254</code><br><br>
| IP:10.1.99.102<br>Mask:255.255.255.0<br>Gateway:10.1.99.254
| <pre>
interface vlan 99
ip address 10.1.99.102 255.255.255.0
no shutdown
exit
ip default-gateway 10.1.99.254
</pre>
| <pre>
show ip interface brief
 
Vlan99  10.1.99.102  YES manual  up  up
</pre>
| S2 管理 VLAN 使用 VLAN99,Gateway 同樣指向 R1 的 10.1.99.254。
|-
|-
 
| Client IP
| 終端設備
| Mgmt Server
| Mgmt Server
| IP:10.1.99.100<br>Mask:255.255.255.0<br>Gateway:10.1.99.254
| 狀態:完成<br>IP:10.1.99.100<br>Mask:255.255.255.0<br>Gateway:10.1.99.254<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.99.100</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 10.1.99.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.1.99.100
Subnet Mask: 255.255.255.0
Default Gateway: 10.1.99.254
</pre>
| <pre>
ping 10.1.99.254
 
Reply from 10.1.99.254
</pre>
| Mgmt Server 放在 VLAN99,用來測試交換器管理 VLAN 與 R1 單臂路由。
|-
|-
 
| Client IP
| 終端設備
| VLAN12-RD1
| VLAN12-RD1
| IP:10.1.12.17<br>Mask:255.255.255.240<br>Gateway:10.1.12.30
| 狀態:完成<br>部門:RD<br>VLAN:12<br>IP:10.1.12.17<br>Mask:255.255.255.240<br>Gateway:10.1.12.30<br>接線位置:S1 Fa0/11<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.12.17</code><br><code>Subnet Mask: 255.255.255.240</code><br><code>Default Gateway: 10.1.12.30</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.1.12.17
Subnet Mask: 255.255.255.240
Default Gateway: 10.1.12.30
</pre>
| <pre>
ping 10.1.12.30
 
Reply from 10.1.12.30
</pre>
| VLAN12-RD1 接在 S1 Fa0/11,屬於 RD 部門 VLAN12。
|-
|-
 
| Client IP
| 終端設備
| VLAN12-RD2
| VLAN12-RD2
| IP:10.1.12.18<br>Mask:255.255.255.240<br>Gateway:10.1.12.30
| 狀態:完成<br>部門:RD<br>VLAN:12<br>IP:10.1.12.18<br>Mask:255.255.255.240<br>Gateway:10.1.12.30<br>接線位置:S2 Fa0/11<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.12.18</code><br><code>Subnet Mask: 255.255.255.240</code><br><code>Default Gateway: 10.1.12.30</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.1.12.18
Subnet Mask: 255.255.255.240
Default Gateway: 10.1.12.30
</pre>
| <pre>
ping 10.1.12.30
 
Reply from 10.1.12.30
</pre>
| VLAN12-RD2 接在 S2 Fa0/11,屬於 RD 部門 VLAN12。
|-
|-
 
| Client IP
| 終端設備
| VLAN13-Sales1
| VLAN13-Sales1
| IP:10.1.13.25<br>Mask:255.255.255.248<br>Gateway:10.1.13.30
| 狀態:完成<br>部門:Sales<br>VLAN:13<br>IP:10.1.13.25<br>Mask:255.255.255.248<br>Gateway:10.1.13.30<br>接線位置:S1 Fa0/15<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.13.25</code><br><code>Subnet Mask: 255.255.255.248</code><br><code>Default Gateway: 10.1.13.30</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.1.13.25
Subnet Mask: 255.255.255.248
Default Gateway: 10.1.13.30
</pre>
| <pre>
ping 10.1.13.30
 
Reply from 10.1.13.30
</pre>
| VLAN13-Sales1 接在 S1 Fa0/15,屬於 Sales 部門 VLAN13。
|-
|-
 
| Client IP
| 終端設備
| VLAN13-Sales2
| VLAN13-Sales2
| IP:10.1.13.26<br>Mask:255.255.255.248<br>Gateway:10.1.13.30
| 狀態:完成<br>部門:Sales<br>VLAN:13<br>IP:10.1.13.26<br>Mask:255.255.255.248<br>Gateway:10.1.13.30<br>接線位置:S2 Fa0/15<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.13.26</code><br><code>Subnet Mask: 255.255.255.248</code><br><code>Default Gateway: 10.1.13.30</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.1.13.26
Subnet Mask: 255.255.255.248
Default Gateway: 10.1.13.30
</pre>
| <pre>
ping 10.1.13.30
 
Reply from 10.1.13.30
</pre>
| VLAN13-Sales2 接在 S2 Fa0/15,後續 Dynamic NAT 測試使用此主機。
|-
|-
 
| Client IP
| 終端設備
| VLAN14-IT
| VLAN14-IT
| IP:10.1.14.65<br>Mask:255.255.255.224<br>Gateway:10.1.14.94
| 狀態:完成<br>部門:IT<br>VLAN:14<br>IP:10.1.14.65<br>Mask:255.255.255.224<br>Gateway:10.1.14.94<br>接線位置:S2 Fa0/19<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.1.14.65</code><br><code>Subnet Mask: 255.255.255.224</code><br><code>Default Gateway: 10.1.14.94</code>
| <pre>
|-
Desktop > IP Configuration
| Client IP
 
| R2-Private
IP Address: 10.1.14.65
| 狀態:完成<br>角色:Private Server<br>IP:172.16.100.101<br>Mask:255.255.255.0<br>Gateway:172.16.100.254<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 172.16.100.101</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 172.16.100.254</code>
Subnet Mask: 255.255.255.224
Default Gateway: 10.1.14.94
</pre>
| <pre>
ping 10.1.14.94
 
Reply from 10.1.14.94
</pre>
| VLAN14-IT 接在 S2 Fa0/19,後續也用於 SSH ACL 測試。
|-
|-
 
| Client IP
| 終端設備
| R2-DMZ
| R2-Private / R2-Server1
| 狀態:完成<br>角色:DMZ Server<br>IP:172.16.100.102<br>Mask:255.255.255.0<br>Gateway:172.16.100.254<br>Static NAT 對應:171.69.233.209<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 172.16.100.102</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 172.16.100.254</code>
| IP:172.16.100.101<br>Mask:255.255.255.0<br>Gateway:172.16.100.254
| <pre>
Desktop > IP Configuration
 
IP Address: 172.16.100.101
Subnet Mask: 255.255.255.0
Default Gateway: 172.16.100.254
</pre>
| <pre>
VLAN12-RD1 ftp 172.16.100.101
 
Connected to 172.16.100.101
230 Logged in
</pre>
| R2-Private 伺服器,ACL 要求只允許 VLAN12 使用 FTP 存取。
|-
|-
 
| Client IP
| 終端設備
| R2-Other
| R2-DMZ / R2-Server2
| 狀態:完成<br>角色:Other Server<br>IP:172.16.100.103<br>Mask:255.255.255.0<br>Gateway:172.16.100.254<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 172.16.100.103</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 172.16.100.254</code>
| IP:172.16.100.102<br>Mask:255.255.255.0<br>Gateway:172.16.100.254
| <pre>
Desktop > IP Configuration
 
IP Address: 172.16.100.102
Subnet Mask: 255.255.255.0
Default Gateway: 172.16.100.254
</pre>
| <pre>
R3-PC ping 172.16.100.102
 
Reply from 172.16.100.102
</pre>
| R2-DMZ 伺服器,後續 Static NAT 對應到 171.69.233.209,ACL 只允許 ping / http。
|-
|-
 
| Client IP
| 終端設備
| R3-PC1
| R3-PC1
| IP:10.3.1.10<br>Mask:255.255.255.0<br>Gateway:10.3.1.254
| 狀態:完成<br>IP:10.3.1.10<br>Mask:255.255.255.0<br>Gateway:10.3.1.254<br>用途:IPSec VPN 遠端目的端<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.3.1.10</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 10.3.1.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.3.1.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.3.1.254
</pre>
| <pre>
R6-PC6 ping 10.3.1.10
 
Reply from 10.3.1.10
</pre>
| R3-PC1 是 IPSec VPN 的遠端內網目的端。
|-
|-
 
| Client IP
| 終端設備
| R3-PC2
| R3-PC2
| IP:10.3.2.10<br>Mask:255.255.255.0<br>Gateway:10.3.2.254
| 狀態:完成<br>IP:10.3.2.10<br>Mask:255.255.255.0<br>Gateway:10.3.2.254<br>用途:Static / Floating Static Route 測試<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.3.2.10</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 10.3.2.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.3.2.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.3.2.254
</pre>
| <pre>
ping 10.3.2.254
 
Reply from 10.3.2.254
</pre>
| 10.3.2.0/24 為 R3 第二內網,曾用於 Static Route / Floating Static Route 測試。
|-
|-
 
| Client IP
| 終端設備
| R6-PC5
| R6-PC5
| IP:10.5.0.10<br>Mask:255.255.255.0<br>Gateway:10.5.0.254
| 狀態:完成<br>IP:10.5.0.10<br>Mask:255.255.255.0<br>Gateway:10.5.0.254<br>用途:R6 PAT 測試<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.5.0.10</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 10.5.0.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.5.0.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.5.0.254
</pre>
| <pre>
ping 200.200.200.200
 
Reply from 200.200.200.200
</pre>
| R6-PC5 使用 R6 PAT 連到 Internet。
|-
|-
 
| Client IP
| 終端設備
| R6-PC6
| R6-PC6
| IP:10.6.0.10<br>Mask:255.255.255.0<br>Gateway:10.6.0.254
| 狀態:完成<br>IP:10.6.0.10<br>Mask:255.255.255.0<br>Gateway:10.6.0.254<br>用途:IPSec VPN 本端來源<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 10.6.0.10</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 10.6.0.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 10.6.0.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.6.0.254
</pre>
| <pre>
ping 10.3.1.10
 
Sent = 4, Received = 4, Lost = 0
</pre>
| R6-PC6 是 IPSec VPN 的本端內網來源。
|-
|-
 
| Client IP
| 終端設備
| Internet WWW
| Internet WWW
| IP:200.200.200.200<br>Mask:255.255.255.0<br>Gateway:200.200.200.254
| 狀態:完成<br>IP:200.200.200.200<br>Mask:255.255.255.0<br>Gateway:200.200.200.254<br>用途:NAT / PAT 連外測試<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 200.200.200.200</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 200.200.200.254</code>
| <pre>
Desktop > IP Configuration
 
IP Address: 200.200.200.200
Subnet Mask: 255.255.255.0
Default Gateway: 200.200.200.254
</pre>
| <pre>
VLAN12-RD1 ping 200.200.200.200
 
Reply from 200.200.200.200
</pre>
| Internet WWW 是 NAT / PAT 連外測試目的端。
|-
|-
| Client IP
| Internet User
| 狀態:完成<br>IP:201.201.201.201<br>Mask:255.255.255.0<br>Gateway:201.201.201.254<br>用途:Static NAT 外部測試<br><br>設定位置:Desktop → IP Configuration<br><code>IP Address: 201.201.201.201</code><br><code>Subnet Mask: 255.255.255.0</code><br><code>Default Gateway: 201.201.201.254</code>
|}


| 終端設備
----
| Internet User
| IP:201.201.201.201<br>Mask:255.255.255.0<br>Gateway:201.201.201.254
| <pre>
Desktop > IP Configuration


IP Address: 201.201.201.201
=== 二、Switch VLAN / Access Port / Trunk 設定 ===
Subnet Mask: 255.255.255.0
Default Gateway: 201.201.201.254
</pre>
| <pre>
ping 171.69.233.209


Reply from 171.69.233.209
{| class="wikitable" style="width:100%;"
</pre>
! style="width:12%;" | 階段
| Internet User 用於測試 R2-DMZ Static NAT 公有 IP 171.69.233.209。
! style="width:18%;" | 設備 / 項目
! 設定內容與輸入指令
|-
|-
 
| VLAN
| Switch VLAN
| S1 建立 VLAN
| S1 建立 VLAN
| VLAN12:RD<br>VLAN13:Sales<br>VLAN14:IT<br>VLAN99:MGMT
| 狀態:完成<br>VLAN12:RD<br>VLAN13:sales<br>VLAN14:IT<br>VLAN99:MGMT<br><br>輸入指令:<br><code>conf t</code><br><code>vlan 12</code><br><code>name RD</code><br><code>vlan 13</code><br><code>name sales</code><br><code>vlan 14</code><br><code>name IT</code><br><code>vlan 99</code><br><code>name MGMT</code><br><br>
| <pre>
conf t
vlan 12
name RD
vlan 13
name sales
vlan 14
name IT
vlan 99
name MGMT
 
 
</pre>
| <pre>
show vlan brief
 
12  RD
13  sales
14  IT
99  MGMT
</pre>
| S1 建立全部 VLAN,供 access port 與 trunk 使用。
|-
|-
 
| VLAN
| Switch VLAN
| S2 建立 VLAN
| S2 建立 VLAN
| VLAN12:RD<br>VLAN13:Sales<br>VLAN14:IT<br>VLAN99:MGMT
| 狀態:完成<br>VLAN12:RD<br>VLAN13:sales<br>VLAN14:IT<br>VLAN99:MGMT<br><br>輸入指令:<br><code>conf t</code><br><code>vlan 12</code><br><code>name RD</code><br><code>vlan 13</code><br><code>name sales</code><br><code>vlan 14</code><br><code>name IT</code><br><code>vlan 99</code><br><code>name MGMT</code><br><br>
| <pre>
conf t
vlan 12
name RD
vlan 13
name sales
vlan 14
name IT
vlan 99
name MGMT
 
 
</pre>
| <pre>
show vlan brief
 
12  RD
13  sales
14  IT
99  MGMT
</pre>
| S2 建立與 S1 相同的 VLAN。
|-
|-
 
| Access Port
| Switch Access Port
| S1 Access Port
| S1 Access Port
| Fa0/11:VLAN12<br>Fa0/15:VLAN13<br>Fa0/21:VLAN99
| 狀態:完成<br>Fa0/11:VLAN12<br>Fa0/15:VLAN13<br>Fa0/21:VLAN99<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/11</code><br><code>switchport mode access</code><br><code>switchport access vlan 12</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/15</code><br><code>switchport mode access</code><br><code>switchport access vlan 13</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/21</code><br><code>switchport mode access</code><br><code>switchport access vlan 99</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fa0/11
switchport mode access
switchport access vlan 12
no shutdown
exit
 
interface fa0/15
switchport mode access
switchport access vlan 13
no shutdown
exit
 
interface fa0/21
switchport mode access
switchport access vlan 99
no shutdown
exit
 
 
 
</pre>
| <pre>
show vlan brief
 
Fa0/11 在 VLAN12
Fa0/15 在 VLAN13
Fa0/21 在 VLAN99
</pre>
| S1 上的終端設備分別放入對應 VLAN。
|-
|-
 
| Access Port
| Switch Access Port
| S2 Access Port
| S2 Access Port
| Fa0/11:VLAN12<br>Fa0/15:VLAN13<br>Fa0/19:VLAN14
| 狀態:完成<br>Fa0/11:VLAN12<br>Fa0/15:VLAN13<br>Fa0/19:VLAN14<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/11</code><br><code>switchport mode access</code><br><code>switchport access vlan 12</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/15</code><br><code>switchport mode access</code><br><code>switchport access vlan 13</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/19</code><br><code>switchport mode access</code><br><code>switchport access vlan 14</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fa0/11
switchport mode access
switchport access vlan 12
no shutdown
exit
 
interface fa0/15
switchport mode access
switchport access vlan 13
no shutdown
exit
 
interface fa0/19
switchport mode access
switchport access vlan 14
no shutdown
exit
 
 
 
</pre>
| <pre>
show vlan brief
 
Fa0/11 在 VLAN12
Fa0/15 在 VLAN13
Fa0/19 在 VLAN14
</pre>
| S2 上的 RD、Sales、IT 主機分別放入 VLAN12、VLAN13、VLAN14。
|-
|-
 
| Trunk
| Switch Trunk
| S1 to S2
| S1 連接 S2 的 Trunk
| 狀態:完成<br>Trunk Port:Fa0/23 - 24<br>Allowed VLAN:12,13,14,99<br><br>輸入指令:<br><code>conf t</code><br><code>interface range fa0/23 - 24</code><br><code>switchport mode trunk</code><br><code>switchport trunk allowed vlan 12,13,14,99</code><br><code>no shutdown</code><br><br>
| Trunk Port:Fa0/23 - 24<br>Allowed VLAN:12,13,14,99
| <pre>
conf t
 
interface range fa0/23 - 24
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown
 
 
 
</pre>
| <pre>
show interfaces trunk
 
Port        Mode    Status
Fa0/23      on      trunking
Fa0/24      on      trunking
 
Vlans allowed on trunk: 12,13,14,99
</pre>
| S1 與 S2 之間使用 trunk 傳送多個 VLAN。
|-
|-
 
| Trunk
| Switch Trunk
| S2 to S1
| S2 連接 S1 的 Trunk
| 狀態:完成<br>Trunk Port:Fa0/23 - 24<br>Allowed VLAN:12,13,14,99<br><br>輸入指令:<br><code>conf t</code><br><code>interface range fa0/23 - 24</code><br><code>switchport mode trunk</code><br><code>switchport trunk allowed vlan 12,13,14,99</code><br><code>no shutdown</code><br><br>
| Trunk Port:Fa0/23 - 24<br>Allowed VLAN:12,13,14,99
| <pre>
conf t
 
interface range fa0/23 - 24
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown
 
 
 
</pre>
| <pre>
show interfaces trunk
 
Port        Mode    Status
Fa0/23      on      trunking
Fa0/24      on      trunking
 
Vlans allowed on trunk: 12,13,14,99
</pre>
| S2 與 S1 之間使用 trunk 傳送多個 VLAN。
|-
|-
| Trunk
| S1 to R1
| 狀態:完成<br>S1 Fa0/5 連接 R1 Fa0/0<br>Allowed VLAN:12,13,14,99<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/5</code><br><code>switchport mode trunk</code><br><code>switchport trunk allowed vlan 12,13,14,99</code><br><code>no shutdown</code><br><br>
|}


| Switch Trunk
----
| S1 連接 R1 的 Trunk
| S1 Fa0/5 → R1 Fa0/0<br>Allowed VLAN:12,13,14,99
| <pre>
conf t
 
interface fa0/5
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown
 
 


</pre>
=== 三、Router-on-a-stick / Router 介面設定 (含等價網路平衡設定)===
| <pre>
show interfaces trunk


Fa0/5 trunking
{| class="wikitable" style="width:100%;"
Vlans allowed on trunk: 12,13,14,99
! style="width:12%;" | 階段
</pre>
! style="width:18%;" | 設備 / 項目
| S1 Fa0/5 連接 R1 Fa0/0,提供 Router-on-a-stick 單臂路由。
! 設定內容與輸入指令
|-
|-
| Router-on-a-stick
| Router-on-a-stick
| R1 啟用實體 Fa0/0
| R1 Fa0/0
| R1 Fa0/0 不設 IP,只作為子介面承載 trunk
| 狀態:完成<br>用途:Trunk 母介面,不設定 IP<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fa0/0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0  unassigned  up  up
</pre>
| R1 Fa0/0 為 trunk 母介面,實際閘道 IP 設在子介面。
|-
|-
| Router-on-a-stick
| Router-on-a-stick
| R1 Fa0/0.2
| R1 Fa0/0.2
| VLAN12 Gateway:10.1.12.30/28
| 狀態:完成<br>VLAN:12<br>Gateway:10.1.12.30/28<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.2</code><br><code>encapsulation dot1Q 12</code><br><code>ip address 10.1.12.30 255.255.255.240</code><br><br>
| <pre>
conf t
 
interface fa0/0.2
encapsulation dot1Q 12
ip address 10.1.12.30 255.255.255.240
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0.2  10.1.12.30  up  up
</pre>
| VLAN12 的 Default Gateway。
|-
|-
| Router-on-a-stick
| Router-on-a-stick
| R1 Fa0/0.3
| R1 Fa0/0.3
| VLAN13 Gateway:10.1.13.30/29
| 狀態:完成<br>VLAN:13<br>Gateway:10.1.13.30/29<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.3</code><br><code>encapsulation dot1Q 13</code><br><code>ip address 10.1.13.30 255.255.255.248</code><br><br>
| <pre>
conf t
 
interface fa0/0.3
encapsulation dot1Q 13
ip address 10.1.13.30 255.255.255.248
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0.3  10.1.13.30  up  up
</pre>
| VLAN13 的 Default Gateway。
|-
|-
| Router-on-a-stick
| Router-on-a-stick
| R1 Fa0/0.4
| R1 Fa0/0.4
| VLAN14 Gateway:10.1.14.94/27
| 狀態:完成<br>VLAN:14<br>Gateway:10.1.14.94/27<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.4</code><br><code>encapsulation dot1Q 14</code><br><code>ip address 10.1.14.94 255.255.255.224</code><br><br>
| <pre>
conf t
 
interface fa0/0.4
encapsulation dot1Q 14
ip address 10.1.14.94 255.255.255.224
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0.4  10.1.14.94  up  up
</pre>
| VLAN14 的 Default Gateway。
|-
|-
| Router-on-a-stick
| Router-on-a-stick
| R1 Fa0/0.99
| R1 Fa0/0.99
| VLAN99 Gateway:10.1.99.254/24
| 狀態:完成<br>VLAN:99<br>Gateway:10.1.99.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.99</code><br><code>encapsulation dot1Q 99</code><br><code>ip address 10.1.99.254 255.255.255.0</code><br><br>
| <pre>
conf t
 
interface fa0/0.99
encapsulation dot1Q 99
ip address 10.1.99.254 255.255.255.0
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0.99  10.1.99.254  up  up
</pre>
| VLAN99 管理網段的 Default Gateway。
|-
|-
 
| Serial
| R1 介面
| R1 Serial0/0/0
| R1 to R2
| 狀態:完成<br>連線:R1 to R2<br>IP:192.168.123.1/30<br>Bandwidth:128K<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip address 192.168.123.1 255.255.255.252</code><br><code>bandwidth 128</code><br><code>no shutdown</code><br><br>
| Serial0/0/0:192.168.123.1/30<br>Bandwidth:128
| <pre>
conf t
 
interface serial0/0/0
ip address 192.168.123.1 255.255.255.252
bandwidth 128
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/0  192.168.123.1  up  up
</pre>
| R1 與 R2 的 Serial link。
|-
|-
 
| Serial
| R1 介面
| R1 Serial0/0/1
| R1 to R3
| 狀態:完成<br>連線:R1 to R3<br>IP:192.168.123.5/30<br>Bandwidth:64K<br>Clock rate:64000<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/1</code><br><code>ip address 192.168.123.5 255.255.255.252</code><br><code>bandwidth 64</code><br><code>clock rate 64000</code><br><code>no shutdown</code><br><br>
| Serial0/0/1:192.168.123.5/30<br>Bandwidth:64<br>Clock rate:64000
| <pre>
conf t
 
interface serial0/0/1
ip address 192.168.123.5 255.255.255.252
bandwidth 64
clock rate 64000
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/1  192.168.123.5  up  up
</pre>
| R1 與 R3 的 Serial link,成本較高,用於 OSPF cost / ECMP 設計。
|-
|-
 
| Internet
| R1 介面
| R1 Serial0/1/1
| R1 to Internet
| 狀態:完成<br>連線:R1 to Internet Router<br>IP:193.16.1.254/30<br>用途:NAT outside、VPN peer<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/1/1</code><br><code>ip address 193.16.1.254 255.255.255.252</code><br><code>no shutdown</code><br><br>
| Serial0/1/1:193.16.1.254/30
| <pre>
conf t
 
interface serial0/1/1
ip address 193.16.1.254 255.255.255.252
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/1/1  193.16.1.254  up  up
</pre>
| R1 對接 Internet Router,後續 NAT outside 與 VPN peer 都使用此介面。
|-
|-
 
| Router Interface
| R2 介面
| R2 Fa0/0
| R2 to R1
| 狀態:完成<br>用途:Server 區 Gateway<br>IP:172.16.100.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0</code><br><code>ip address 172.16.100.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
| Serial0/0/0:192.168.123.2/30<br>Bandwidth:128
| <pre>
conf t
 
interface serial0/0/0
ip address 192.168.123.2 255.255.255.252
bandwidth 128
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/0  192.168.123.2  up  up
</pre>
| R2 與 R1 的 Serial link。
|-
|-
 
| Serial
| R2 介面
| R2 Serial0/0/0
| R2 to R3
| 狀態:完成<br>連線:R2 to R1<br>IP:192.168.123.2/30<br>Bandwidth:128K<br>Clock rate:128000<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip address 192.168.123.2 255.255.255.252</code><br><code>bandwidth 128</code><br><code>clock rate 128000</code><br><code>no shutdown</code><br><br>
| Serial0/0/1:192.168.123.9/30<br>Bandwidth:128<br>Clock rate:128000
| <pre>
conf t
 
interface serial0/0/1
ip address 192.168.123.9 255.255.255.252
bandwidth 128
clock rate 128000
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/1  192.168.123.9  up  up
</pre>
| R2 與 R3 的 Serial link。
|-
|-
 
| Serial
| R2 介面
| R2 Serial0/0/1
| R2 Server 區
| 狀態:完成<br>連線:R2 to R3<br>IP:192.168.123.9/30<br>Bandwidth:128K<br>Clock rate:128000<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/1</code><br><code>ip address 192.168.123.9 255.255.255.252</code><br><code>bandwidth 128</code><br><code>clock rate 128000</code><br><code>no shutdown</code><br><br>
| Fa0/0:172.16.100.254/24
| <pre>
conf t
 
interface fa0/0
ip address 172.16.100.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0  172.16.100.254  up  up
</pre>
| R2 Server / DMZ 區 gateway,後續 ACL 100 套用於此介面 outbound。
|-
|-
 
| Router Interface
| R3 介面
| R3 Fa0/0
| R3 Fa0/0
| 10.3.1.254/24
| 狀態:完成<br>用途:R3-PC1 Gateway<br>IP:10.3.1.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0</code><br><code>ip address 10.3.1.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fa0/0
ip address 10.3.1.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0  10.3.1.254  up  up
</pre>
| R3-PC1 所在網段 gateway,也是 VPN 遠端內網。
|-
|-
 
| Router Interface
| R3 介面
| R3 Fa0/1
| R3 Fa0/1
| 10.3.2.254/24
| 狀態:完成<br>用途:R3-PC2 Gateway<br>IP:10.3.2.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/1</code><br><code>ip address 10.3.2.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fa0/1
ip address 10.3.2.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/1  10.3.2.254  up  up
</pre>
| R3 第二內網。
|-
|-
 
| Serial
| R3 介面
| R3 Serial0/0/0
| R3 to R1
| 狀態:完成<br>連線:R3 to R1<br>IP:192.168.123.6/30<br>Bandwidth:64K<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip address 192.168.123.6 255.255.255.252</code><br><code>bandwidth 64</code><br><code>no shutdown</code><br><br>
| Serial0/0/0:192.168.123.6/30<br>Bandwidth:64
| <pre>
conf t
 
interface serial0/0/0
ip address 192.168.123.6 255.255.255.252
bandwidth 64
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/0  192.168.123.6  up  up
</pre>
| R3 與 R1 的 Serial link。
|-
|-
 
| Serial
| R3 介面
| R3 Serial0/0/1
| R3 to R2
| 狀態:完成<br>連線:R3 to R2<br>IP:192.168.123.10/30<br>Bandwidth:128K<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/1</code><br><code>ip address 192.168.123.10 255.255.255.252</code><br><code>bandwidth 128</code><br><code>no shutdown</code><br><br>
| Serial0/0/1:192.168.123.10/30<br>Bandwidth:128
| <pre>
conf t
 
interface serial0/0/1
ip address 192.168.123.10 255.255.255.252
bandwidth 128
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/1  192.168.123.10  up  up
</pre>
| R3 與 R2 的 Serial link。
|-
|-
 
| Router Interface
| R6 介面
| R6 Fa0/1
| R6 Fa0/1
| 10.5.0.254/24
| 狀態:完成<br>用途:R6-PC5 Gateway、PAT inside<br>IP:10.5.0.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/1</code><br><code>ip address 10.5.0.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fastEthernet0/1
ip address 10.5.0.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/1  10.5.0.254  up  up
</pre>
| R6-PC5 所在網段 gateway,後續 R6 PAT inside。
|-
|-
 
| Router Interface
| R6 介面
| R6 Fa0/0
| R6 Fa0/0
| 10.6.0.254/24
| 狀態:完成<br>用途:R6-PC6 Gateway、VPN protected LAN<br>IP:10.6.0.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0</code><br><code>ip address 10.6.0.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
| <pre>
conf t
 
interface fastEthernet0/0
ip address 10.6.0.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0 10.6.0.254  up  up
</pre>
| R6-PC6 所在網段 gateway,後續 VPN protected LAN。
|-
 
| R6 介面
| R6 to Internet
| Serial0/0/0:193.16.6.254/30
| <pre>
conf t
 
interface serial0/0/0
ip address 193.16.6.254 255.255.255.252
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/0 193.16.6.254  up  up
</pre>
| R6 對接 Internet Router,後續 NAT outside 與 VPN peer 都使用此介面。
|-
 
| Internet 介面
| Internet to R1
| Serial0/0/0:193.16.1.253/30<br>Clock rate:64000
| <pre>
conf t
 
interface serial0/0/0
ip address 193.16.1.253 255.255.255.252
clock rate 64000
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/0  193.16.1.253  up  up
</pre>
| Internet Router 對接 R1。
|-
|-
 
| Internet
| Internet 介面
| R6 Serial0/0/0
| Internet to R6
| 狀態:完成<br>連線:R6 to Internet Router<br>IP:193.16.6.254/30<br>用途:NAT outside、VPN peer<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip address 193.16.6.254 255.255.255.252</code><br><code>no shutdown</code><br><br>
| Serial0/0/1:193.16.6.253/30<br>Clock rate:64000
| <pre>
conf t
 
interface serial0/0/1
ip address 193.16.6.253 255.255.255.252
clock rate 64000
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
Serial0/0/1  193.16.6.253  up  up
</pre>
| Internet Router 對接 R6。
|-
 
| Internet 介面
| Internet WWW
| Fa0/0:200.200.200.254/24
| <pre>
conf t
 
interface fastEthernet0/0
ip address 200.200.200.254 255.255.255.0
no shutdown
 
 
 
</pre>
| <pre>
show ip interface brief
 
FastEthernet0/0  200.200.200.254  up  up
</pre>
| Internet WWW Server 的 gateway。
|-
|-
| Internet Router
| Internet Router 介面
| 狀態:完成<br>To R1:193.16.1.253/30<br>To R6:193.16.6.253/30<br>Internet WWW Gateway:200.200.200.254/24<br>Internet User Gateway:201.201.201.254/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip address 193.16.1.253 255.255.255.252</code><br><code>clock rate 64000</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface serial0/0/1</code><br><code>ip address 193.16.6.253 255.255.255.252</code><br><code>clock rate 64000</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/0</code><br><code>ip address 200.200.200.254 255.255.255.0</code><br><code>no shutdown</code><br><code>exit</code><br><code>interface fa0/1</code><br><code>ip address 201.201.201.254 255.255.255.0</code><br><code>no shutdown</code><br><br>
|}


| Internet 介面
----
| Internet User
| Fa0/1:201.201.201.254/24
| <pre>
conf t
 
interface fastEthernet0/1
ip address 201.201.201.254 255.255.255.0
no shutdown
 
 


</pre>
=== 四、Static Route / Floating Static Route / OSPF 設定 ===
| <pre>
show ip interface brief


FastEthernet0/1  201.201.201.254  up  up
{| class="wikitable" style="width:100%;"
</pre>
! style="width:12%;" | 階段
| Internet User 的 gateway。
! style="width:18%;" | 設備 / 項目
! 設定內容與輸入指令
|-
|-
| Static Route
| Static Route
| R1 到 R3 10.3.2.0/24 主路由
| R1 to 10.3.2.0/24 主路由
| 目的:10.3.2.0/24<br>Next-hop:192.168.123.6
| 狀態:完成<br>Destination:10.3.2.0/24<br>Next-hop:192.168.123.6<br>AD:1<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.3.2.0 255.255.255.0 192.168.123.6</code><br><br>
| <pre>
conf t
 
ip route 10.3.2.0 255.255.255.0 192.168.123.6
 
 
 
</pre>
| <pre>
show ip route 10.3.2.0
 
S 10.3.2.0/24 via 192.168.123.6
</pre>
| R1 到 R3 Fa0/1 網段的主要靜態路由。
|-
|-
| Floating Static Route
| Floating Static Route
| R1 到 R3 10.3.2.0/24 備援路由
| R1 to 10.3.2.0/24 備援路由
| 目的:10.3.2.0/24<br>Next-hop:192.168.123.2<br>AD:2
| 狀態:完成<br>Destination:10.3.2.0/24<br>Next-hop:192.168.123.2<br>AD:2<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.3.2.0 255.255.255.0 192.168.123.2 2</code><br><br>
| <pre>
conf t
 
ip route 10.3.2.0 255.255.255.0 192.168.123.2 2
 
 
 
</pre>
| <pre>
show running-config
 
ip route 10.3.2.0 255.255.255.0 192.168.123.2 2
</pre>
| Floating Static Route 的 AD 為 2,正常狀況下不會優先於 AD 1 的主靜態路由。
|-
|-
| Static Route
| Static Route
| R2 到 R3 10.3.2.0/24
| R2 to 10.3.2.0/24
| 目的:10.3.2.0/24<br>Next-hop:192.168.123.10
| 狀態:完成<br>Destination:10.3.2.0/24<br>Next-hop:192.168.123.10<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.3.2.0 255.255.255.0 192.168.123.10</code><br><br>
| <pre>
conf t
 
ip route 10.3.2.0 255.255.255.0 192.168.123.10
 
 
 
</pre>
| <pre>
show ip route 10.3.2.0
 
S 10.3.2.0/24 via 192.168.123.10
</pre>
| R2 到 R3 Fa0/1 網段的靜態路由。
|-
|-
| Static Route
| Static Route
| R2 VLAN14
| R2 to VLAN14
| 目的:10.1.14.64/27<br>Next-hop:192.168.123.1
| 狀態:完成<br>Destination:10.1.14.64/27<br>Next-hop:192.168.123.1<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.1.14.64 255.255.255.224 192.168.123.1</code><br><br>
| <pre>
conf t
 
ip route 10.1.14.64 255.255.255.224 192.168.123.1
 
 
 
</pre>
| <pre>
show ip route 10.1.14.64
 
S 10.1.14.64/27 via 192.168.123.1
</pre>
| R2 前往 VLAN14 的靜態路由。
|-
|-
| Static Route
| Static Route
| R3 VLAN14 主路由
| R3 to VLAN14 主路由
| 目的:10.1.14.64/27<br>Next-hop:192.168.123.5
| 狀態:完成<br>Destination:10.1.14.64/27<br>Next-hop:192.168.123.5<br>AD:1<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.1.14.64 255.255.255.224 192.168.123.5</code><br><br>
| <pre>
conf t
 
ip route 10.1.14.64 255.255.255.224 192.168.123.5
 
 
 
</pre>
| <pre>
show ip route 10.1.14.64
 
S 10.1.14.64/27 via 192.168.123.5
</pre>
| R3 到 VLAN14 的主靜態路由。
|-
|-
| Floating Static Route
| Floating Static Route
| R3 VLAN14 備援路由
| R3 to VLAN14 備援路由
| 目的:10.1.14.64/27<br>Next-hop:192.168.123.9<br>AD:2
| 狀態:完成<br>Destination:10.1.14.64/27<br>Next-hop:192.168.123.9<br>AD:2<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 10.1.14.64 255.255.255.224 192.168.123.9 2</code><br><br>
| <pre>
conf t
 
ip route 10.1.14.64 255.255.255.224 192.168.123.9 2
 
 
 
</pre>
| <pre>
show running-config
 
ip route 10.1.14.64 255.255.255.224 192.168.123.9 2
</pre>
| Floating Static Route 的 AD 為 2,作為備援路徑。
|-
|-
| OSPF
| OSPF
| R1 OSPF
| R1 OSPF
| Process ID:1<br>Router ID:192.168.99.1<br>Area:0
| 狀態:完成<br>Process ID:1<br>Router ID:192.168.99.1<br>主要方式:network 指令使用子網段<br><br>輸入指令:<br><code>conf t</code><br><code>interface loopback0</code><br><code>ip address 192.168.99.1 255.255.255.255</code><br><code>exit</code><br><code>router ospf 1</code><br><code>router-id 192.168.99.1</code><br><code>passive-interface default</code><br><code>no passive-interface serial0/0/0</code><br><code>no passive-interface serial0/0/1</code><br><code>network 192.168.123.0 0.0.0.3 area 0</code><br><code>network 192.168.123.4 0.0.0.3 area 0</code><br><code>network 10.1.12.16 0.0.0.15 area 0</code><br><code>network 10.1.13.24 0.0.0.7 area 0</code><br><code>network 10.1.99.0 0.0.0.255 area 0</code><br><code>network 192.168.99.1 0.0.0.0 area 0</code><br><br>
| <pre>
conf t
 
interface loopback0
ip address 192.168.99.1 255.255.255.255
exit
 
router ospf 1
router-id 192.168.99.1
passive-interface default
no passive-interface serial0/0/0
no passive-interface serial0/0/1
network 192.168.123.0 0.0.0.3 area 0
network 192.168.123.4 0.0.0.3 area 0
network 10.1.12.16 0.0.0.15 area 0
network 10.1.13.24 0.0.0.7 area 0
network 10.1.99.0 0.0.0.255 area 0
network 192.168.99.1 0.0.0.0 area 0
 
 
 
</pre>
| <pre>
show ip ospf neighbor
show ip route ospf
 
R1 與 R2 / R3 建立 OSPF 鄰居
</pre>
| R1 使用 network subnet method 宣告 OSPF,並將 VLAN12、VLAN13、VLAN99 納入 OSPF。
|-
|-
| OSPF
| OSPF
| R2 OSPF
| R2 OSPF
| Process ID:2<br>Router ID:192.168.99.2<br>Area 0 / Area 2
| 狀態:完成<br>Process ID:2<br>Router ID:192.168.99.2<br>主要方式:network 指令使用直連介面 IP<br><br>輸入指令:<br><code>conf t</code><br><code>interface loopback0</code><br><code>ip address 192.168.99.2 255.255.255.255</code><br><code>exit</code><br><code>router ospf 2</code><br><code>router-id 192.168.99.2</code><br><code>network 192.168.123.2 0.0.0.0 area 0</code><br><code>network 192.168.123.9 0.0.0.0 area 0</code><br><code>network 172.16.100.254 0.0.0.0 area 2</code><br><code>network 192.168.99.2 0.0.0.0 area 2</code><br><code>passive-interface fa0/0</code><br><br>
| <pre>
conf t
 
interface loopback0
ip address 192.168.99.2 255.255.255.255
exit
 
router ospf 2
router-id 192.168.99.2
network 192.168.123.2 0.0.0.0 area 0
network 192.168.123.9 0.0.0.0 area 0
network 172.16.100.254 0.0.0.0 area 2
network 192.168.99.2 0.0.0.0 area 2
passive-interface fa0/0
no passive-interface serial0/0/1
 
 
 
</pre>
| <pre>
show ip ospf neighbor
show ip route ospf
 
R2 與 R1 / R3 建立 OSPF 鄰居
R2 Fa0/0 被 passive-interface 保護
</pre>
| R2 使用 interface IP 精準宣告方式,Server 區在 Area 2,Serial links 在 Area 0。
|-
|-
| OSPF
| OSPF
| R3 OSPF
| R3 OSPF
| Process ID:3<br>Router ID:192.168.99.3<br>Area 0 / Area 3
| 狀態:完成<br>Process ID:3<br>Router ID:192.168.99.3<br>主要方式:interface mode 啟動 OSPF<br><br>輸入指令:<br><code>conf t</code><br><code>interface loopback0</code><br><code>ip address 192.168.99.3 255.255.255.255</code><br><code>ip ospf 3 area 3</code><br><code>exit</code><br><code>interface fa0/0</code><br><code>ip ospf 3 area 3</code><br><code>exit</code><br><code>interface serial0/0/0</code><br><code>ip ospf 3 area 0</code><br><code>exit</code><br><code>interface serial0/0/1</code><br><code>ip ospf 3 area 0</code><br><code>exit</code><br><code>router ospf 3</code><br><code>router-id 192.168.99.3</code><br><code>passive-interface fa0/0</code><br><br>
| <pre>
conf t
 
interface loopback0
ip address 192.168.99.3 255.255.255.255
ip ospf 3 area 3
exit
 
interface fa0/0
ip ospf 3 area 0
exit
 
interface serial0/0/0
ip ospf 3 area 0
exit
 
interface serial0/0/1
ip ospf 3 area 0
exit
 
router ospf 3
router-id 192.168.99.3
passive-interface fa0/0
 
 
 
</pre>
| <pre>
show ip ospf neighbor
show ip route ospf
 
R3 與 R1 / R2 建立 OSPF 鄰居
R3 Fa0/0 可被宣告但不送 Hello
</pre>
| R3 使用 interface mode 的 ip ospf process area 方式啟用 OSPF。
|-
|-
| OSPF Cost
| OSPF Cost
| Serial bandwidth 調整
| Serial bandwidth
| R1-R2:128K<br>R2-R3:128K<br>R1-R3:64K
| 狀態:完成<br>R1-R2:128K<br>R2-R3:128K<br>R1-R3:64K<br><br>R1 輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>bandwidth 128</code><br><code>exit</code><br><code>interface serial0/0/1</code><br><code>bandwidth 64</code><br><br><br><br>R2 輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>bandwidth 128</code><br><code>exit</code><br><code>interface serial0/0/1</code><br><code>bandwidth 128</code><br><br><br><br>R3 輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>bandwidth 64</code><br><code>exit</code><br><code>interface serial0/0/1</code><br><code>bandwidth 128</code><br><br>
| <pre>
R1:
interface serial0/0/0
bandwidth 128
interface serial0/0/1
bandwidth 64
 
R2:
interface serial0/0/0
bandwidth 128
interface serial0/0/1
bandwidth 128
 
R3:
interface serial0/0/0
bandwidth 64
interface serial0/0/1
bandwidth 128
</pre>
| <pre>
show ip route ospf
show interfaces serial0/0/0
show interfaces serial0/0/1
 
可看到依 bandwidth 產生不同 OSPF cost
</pre>
| 用 bandwidth 調整 OSPF cost,產生預期的等值路由或指定路徑。
|-
|-
| Default Route
| Default Route
| R1 對 Internet
| R1 Default Route
| Default route:0.0.0.0/0<br>Next-hop:193.16.1.253
| 狀態:完成<br>Default Route:0.0.0.0/0<br>Next-hop:193.16.1.253<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 0.0.0.0 0.0.0.0 193.16.1.253</code><br><br>
| <pre>
conf t
 
ip route 0.0.0.0 0.0.0.0 193.16.1.253
 
 
 
</pre>
| <pre>
show ip route
 
S* 0.0.0.0/0 via 193.16.1.253
</pre>
| R1 是總公司對 Internet 出口。
|-
|-
| OSPF Default
| OSPF Default
| R1 宣告 default route
| R1 宣告 Default Route
| OSPF default-information originate
| 狀態:完成<br>目的:讓 R2 / R3 學到 O*E2 0.0.0.0/0<br><br>輸入指令:<br><code>conf t</code><br><code>router ospf 1</code><br><code>default-information originate</code><br><br>
| <pre>
conf t
 
router ospf 1
default-information originate
 
 
 
</pre>
| <pre>
R2 / R3 show ip route
 
O*E2 0.0.0.0/0
</pre>
| R2 / R3 透過 OSPF 學到預設路由。
|-
|-
| Default Route
| Default Route
| R6 對 Internet
| R6 Default Route
| Default route:0.0.0.0/0<br>Next-hop:193.16.6.253
| 狀態:完成<br>Default Route:0.0.0.0/0<br>Next-hop:193.16.6.253<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 0.0.0.0 0.0.0.0 193.16.6.253</code><br><br>
| <pre>
|}
conf t


ip route 0.0.0.0 0.0.0.0 193.16.6.253
----


=== 五、NAT / PAT / Static NAT 設定 ===


 
{| class="wikitable" style="width:100%;"
</pre>
! style="width:12%;" | 階段
| <pre>
! style="width:18%;" | 設備 / 項目
show ip route
! 設定內容與輸入指令
 
S* 0.0.0.0/0 via 193.16.6.253
</pre>
| R6 是分公司對 Internet 出口。
|-
|-
 
| PAT
| NAT / PAT
| R1 VLAN12 PAT
| R1 VLAN12 PAT
| Inside:Fa0/0.2<br>Outside:Serial0/1/1<br>ACL:10<br>VLAN12:10.1.12.16/28
| 狀態:完成<br>Inside:Fa0/0.2<br>Outside:Serial0/1/1<br>ACL:10<br>Source:10.1.12.16/28<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.2</code><br><code>ip nat inside</code><br><code>exit</code><br><code>interface serial0/1/1</code><br><code>ip nat outside</code><br><code>exit</code><br><code>access-list 10 permit 10.1.12.16 0.0.0.15</code><br><code>ip nat inside source list 10 interface serial0/1/1 overload</code><br><br>
| <pre>
conf t
 
interface fa0/0.2
ip nat inside
exit
 
interface serial0/1/1
ip nat outside
exit
 
access-list 10 permit 10.1.12.16 0.0.0.15
 
ip nat inside source list 10 interface serial0/1/1 overload
 
 
 
</pre>
| <pre>
VLAN12-RD1:
ping 200.200.200.200
 
R1:
show ip nat translations
 
可看到 PAT translation
</pre>
| VLAN12 使用 R1 Serial0/1/1 的公有 IP 做 overload PAT。
|-
|-
 
| PAT
| NAT / PAT
| R6-PC5 PAT
| R6-PC5 PAT
| Inside:Fa0/1<br>Outside:Serial0/0/0<br>ACL:10<br>R6-PC5 網段:10.5.0.0/24
| 狀態:完成<br>Inside:Fa0/1<br>Outside:Serial0/0/0<br>ACL:10<br>Source:10.5.0.0/24<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/1</code><br><code>ip nat inside</code><br><code>exit</code><br><code>interface serial0/0/0</code><br><code>ip nat outside</code><br><code>exit</code><br><code>access-list 10 permit 10.5.0.0 0.0.0.255</code><br><code>ip nat inside source list 10 interface serial0/0/0 overload</code><br><br>
| <pre>
conf t
 
interface fa0/1
ip nat inside
exit
 
interface serial0/0/0
ip nat outside
exit
 
access-list 10 permit 10.5.0.0 0.0.0.255
 
ip nat inside source list 10 interface serial0/0/0 overload
 
 
 
</pre>
| <pre>
R6-PC5:
ping 200.200.200.200
 
R6:
show ip nat translations
 
可看到 PAT translation
</pre>
| R6-PC5 使用 R6 Serial0/0/0 的公有 IP 做 overload PAT。
|-
|-
| Dynamic NAT
| Dynamic NAT
| R1 VLAN13 Dynamic NAT
| R1 VLAN13 Dynamic NAT
| Inside:Fa0/0.3<br>Outside:Serial0/1/1<br>ACL:20<br>Pool:171.69.233.210 - 171.69.233.222
| 狀態:完成<br>Inside:Fa0/0.3<br>Outside:Serial0/1/1<br>ACL:20<br>Pool:171.69.233.210 - 171.69.233.222<br><br>輸入指令:<br><code>conf t</code><br><code>interface fa0/0.3</code><br><code>ip nat inside</code><br><code>exit</code><br><code>interface serial0/1/1</code><br><code>ip nat outside</code><br><code>exit</code><br><code>no access-list 20</code><br><code>no ip nat inside source list 20 pool netpool</code><br><code>no ip nat pool netpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240</code><br><code>access-list 20 permit 10.1.13.24 0.0.0.7</code><br><code>ip nat pool natpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240</code><br><code>ip nat inside source list 20 pool natpool</code><br><br>
| <pre>
conf t
 
interface fa0/0.3
ip nat inside
exit
 
interface serial0/1/1
ip nat outside
exit
 
no access-list 20
no ip nat inside source list 20 pool netpool
no ip nat pool netpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240
 
access-list 20 permit 10.1.13.24 0.0.0.7
 
ip nat pool natpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240
 
ip nat inside source list 20 pool natpool
 
 
 
</pre>
| <pre>
VLAN13-Sales2:
ping 200.200.200.200
 
R1:
show ip nat translations
 
可看到 10.1.13.26 轉成 171.69.233.210
</pre>
| VLAN13 使用 Dynamic NAT,公有 IP 池從 171.69.233.210 到 171.69.233.222。
|-
|-
 
| NAT Return Route
| NAT 回程路由
| Internet Router
| Internet Router 回指公有 IP 池
| 狀態:完成<br>目的:回指 NAT 公有 IP 池<br>Public Pool:171.69.233.208/28<br>Next-hop:193.16.1.254<br><br>輸入指令:<br><code>conf t</code><br><code>ip route 171.69.233.208 255.255.255.240 193.16.1.254</code><br><br>
| Public Pool:171.69.233.208/28<br>Next-hop:193.16.1.254
| <pre>
conf t
 
ip route 171.69.233.208 255.255.255.240 193.16.1.254
 
 
 
</pre>
| <pre>
show ip route
 
S 171.69.233.208/28 via 193.16.1.254
</pre>
| Internet Router 必須知道 NAT 公有 IP 池要回到 R1。
|-
|-
| Static NAT
| Static NAT
| R2-DMZ Static NAT
| R1 R2-DMZ Static NAT
| Inside local:172.16.100.102<br>Inside global:171.69.233.209
| 狀態:完成<br>Inside local:172.16.100.102<br>Inside global:171.69.233.209<br><br>輸入指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>ip nat inside</code><br><code>exit</code><br><code>interface serial0/1/1</code><br><code>ip nat outside</code><br><code>exit</code><br><code>no ip nat inside source static 172.16.100.103 171.69.233.209</code><br><code>ip nat inside source static 172.16.100.102 171.69.233.209</code><br><br>
| <pre>
|}
conf t


interface serial0/0/0
----
ip nat inside
exit


interface serial0/1/1
=== 六、IPSec VPN 設定 ===
ip nat outside
exit


no ip nat inside source static 172.16.100.103 171.69.233.209
{| class="wikitable" style="width:100%;"
 
! style="width:12%;" | 階段
ip nat inside source static 172.16.100.102 171.69.233.209
! style="width:18%;" | 設備 / 項目
 
! 設定內容與輸入指令
 
 
</pre>
| <pre>
R1:
show ip nat translations
 
--- 171.69.233.209  172.16.100.102  ---  ---
 
Internet User:
ping 171.69.233.209
 
Reply from 171.69.233.209
</pre>
| R2-DMZ 伺服器 172.16.100.102 固定對應到公有 IP 171.69.233.209。
|-
|-
 
| VPN Phase 1
| IPSec VPN
| R1 IKE Policy
| R1 Phase 1
| 狀態:完成<br>Peer:193.16.6.254<br>PSK:SeCrEt<br>Encryption:3DES<br>Hash:SHA<br>DH Group:2<br>Lifetime:86400<br><br>輸入指令:<br><code>conf t</code><br><code>crypto isakmp policy 10</code><br><code>encr 3des</code><br><code>hash sha</code><br><code>authentication pre-share</code><br><code>group 2</code><br><code>lifetime 86400</code><br><code>exit</code><br><code>crypto isakmp key SeCrEt address 193.16.6.254</code><br><br>
| PSK:SeCrEt<br>Encryption:3DES<br>Hash:SHA<br>DH Group:2<br>Lifetime:86400
| <pre>
conf t
 
crypto isakmp policy 10
encr 3des
hash sha
authentication pre-share
group 2
lifetime 86400
exit
 
crypto isakmp key SeCrEt address 193.16.6.254
 
 
 
</pre>
| <pre>
show crypto isakmp policy
 
encryption algorithm: Three key triple DES
hash algorithm: Secure Hash Standard
authentication method: Pre-Shared Key
Diffie-Hellman group: #2
lifetime: 86400 seconds
</pre>
| R1 的 IKE Phase 1 參數。
|-
|-
 
| VPN Phase 2
| IPSec VPN
| R1 Crypto Map
| R1 Phase 2 / Crypto Map
| 狀態:完成<br>Transform-set:ts16<br>Crypto ACL:110<br>Local:10.3.1.0/24<br>Remote:10.6.0.0/24<br>Peer:193.16.6.254<br><br>輸入指令:<br><code>conf t</code><br><code>crypto ipsec transform-set ts16 esp-aes 128 esp-md5-hmac</code><br><code>no access-list 110</code><br><code>access-list 110 permit ip 10.3.1.0 0.0.0.255 10.6.0.0 0.0.0.255</code><br><code>crypto map map16 10 ipsec-isakmp</code><br><code>set peer 193.16.6.254</code><br><code>set transform-set ts16</code><br><code>match address 110</code><br><code>exit</code><br><code>interface serial0/1/1</code><br><code>crypto map map16</code><br><br>
| Transform-set:ts16<br>ESP AES / MD5<br>Peer:193.16.6.254<br>Crypto ACL:110
| <pre>
conf t
 
crypto ipsec transform-set ts16 esp-aes esp-md5-hmac
 
no access-list 110
access-list 110 permit ip 10.3.1.0 0.0.0.255 10.6.0.0 0.0.0.255
 
crypto map map16 10 ipsec-isakmp
set peer 193.16.6.254
set transform-set ts16
match address 110
exit
 
interface serial0/1/1
crypto map map16
 
 
 
</pre>
| <pre>
show crypto ipsec sa
 
local ident: 10.3.1.0/24
remote ident: 10.6.0.0/24
encaps / decaps 有數字
</pre>
| R1 crypto ACL 與 R6 必須鏡像對稱。
|-
|-
 
| VPN Phase 1
| IPSec VPN
| R6 IKE Policy
| R6 Phase 1
| 狀態:完成<br>Peer:193.16.1.254<br>PSK:SeCrEt<br>Encryption:3DES<br>Hash:SHA<br>DH Group:2<br>Lifetime:86400<br><br>輸入指令:<br><code>conf t</code><br><code>crypto isakmp policy 10</code><br><code>encr 3des</code><br><code>hash sha</code><br><code>authentication pre-share</code><br><code>group 2</code><br><code>lifetime 86400</code><br><code>exit</code><br><code>crypto isakmp key SeCrEt address 193.16.1.254</code><br><br>
| PSK:SeCrEt<br>Encryption:3DES<br>Hash:SHA<br>DH Group:2<br>Lifetime:86400
| <pre>
conf t
 
crypto isakmp policy 10
encr 3des
hash sha
authentication pre-share
group 2
lifetime 86400
exit
 
crypto isakmp key SeCrEt address 193.16.1.254
 
 
 
</pre>
| <pre>
show crypto isakmp policy
 
encryption algorithm: Three key triple DES
hash algorithm: Secure Hash Standard
authentication method: Pre-Shared Key
Diffie-Hellman group: #2
lifetime: 86400 seconds
</pre>
| R6 的 IKE Phase 1 參數。
|-
|-
 
| VPN Phase 2
| IPSec VPN
| R6 Crypto Map
| R6 Phase 2 / Crypto Map
| 狀態:完成<br>Transform-set:ts61<br>Crypto ACL:110<br>Local:10.6.0.0/24<br>Remote:10.3.1.0/24<br>Peer:193.16.1.254<br><br>輸入指令:<br><code>conf t</code><br><code>crypto ipsec transform-set ts61 esp-aes 128 esp-md5-hmac</code><br><code>no access-list 110</code><br><code>access-list 110 permit ip 10.6.0.0 0.0.0.255 10.3.1.0 0.0.0.255</code><br><code>crypto map map61 10 ipsec-isakmp</code><br><code>set peer 193.16.1.254</code><br><code>set transform-set ts61</code><br><code>match address 110</code><br><code>exit</code><br><code>interface serial0/0/0</code><br><code>crypto map map61</code><br><br>
| Transform-set:ts61<br>ESP AES / MD5<br>Peer:193.16.1.254<br>Crypto ACL:110
| <pre>
conf t
 
crypto ipsec transform-set ts61 esp-aes esp-md5-hmac
 
no access-list 110
access-list 110 permit ip 10.6.0.0 0.0.0.255 10.3.1.0 0.0.0.255
 
crypto map map61 10 ipsec-isakmp
set peer 193.16.1.254
set transform-set ts61
match address 110
exit
 
interface serial0/0/0
crypto map map61
 
 
 
</pre>
| <pre>
show crypto ipsec sa
 
local ident: 10.6.0.0/24
remote ident: 10.3.1.0/24
encaps / decaps 有數字
</pre>
| R6 crypto ACL 與 R1 必須鏡像對稱。
|-
|-
| VPN 查修備註
| R6 重掛 Crypto Map
| 狀態:備註<br>用途:若 ACL 110 有 match,但 encaps / decaps 仍為 0,可重掛 crypto map 後重新 ping 觸發。<br><br>查修指令:<br><code>conf t</code><br><code>interface serial0/0/0</code><br><code>no crypto map map61</code><br><code>crypto map map61</code><br><br>
|}


| IPSec VPN 驗證
----
| R6-PC6 到 R3-PC1
| Source:10.6.0.10<br>Destination:10.3.1.10
| <pre>
R6-PC6:
ping 10.3.1.10
</pre>
| <pre>
Reply from 10.3.1.10
Sent = 4, Received = 4, Lost = 0
</pre>
| VPN 端到端通訊成功。
|-


| IPSec VPN 驗證
=== 七、Extended ACL 100 / SSH ACL 設定 ===
| R6 ISAKMP SA
| Phase 1 狀態
| <pre>
show crypto isakmp sa
</pre>
| <pre>
IPv4 Crypto ISAKMP SA
dst          src          state    conn-id  slot  status
193.16.1.254  193.16.6.254  QM_IDLE  1024    0    ACTIVE
</pre>
| QM_IDLE / ACTIVE 代表 Phase 1 成功。
|-


| IPSec VPN 驗證
{| class="wikitable" style="width:100%;"
| R6 IPSec SA
! style="width:12%;" | 階段
| Phase 2 封包計數
! style="width:18%;" | 設備 / 項目
| <pre>
! 設定內容與輸入指令
show crypto ipsec sa
</pre>
| <pre>
#pkts encaps: 7
#pkts encrypt: 7
#pkts decaps: 6
#pkts decrypt: 6
 
inbound esp sas:
Status: ACTIVE
 
outbound esp sas:
Status: ACTIVE
</pre>
| encaps / decaps 有增加,代表 Phase 2 成功加密與解密。
|-
|-
 
| Extended ACL
| ACL
| R2 ACL 100
| R2 Exted ACL 100
| 狀態:完成<br>套用介面:R2 Fa0/0<br>方向:out<br>R2-Private:172.16.100.101<br>R2-DMZ:172.16.100.102<br><br>輸入指令:<br><code>conf t</code><br><code>no access-list 100</code><br><code>access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 20</code><br><code>access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 21</code><br><code>access-list 100 deny ip 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0</code><br><code>access-list 100 deny ip 10.0.0.0 0.255.255.255 172.16.100.101 0.0.0.0</code><br><code>access-list 100 permit tcp any 172.16.100.102 0.0.0.0 eq 80</code><br><code>access-list 100 permit icmp any 172.16.100.102 0.0.0.0</code><br><code>access-list 100 deny ip any 172.16.100.102 0.0.0.0</code><br><code>interface fa0/0</code><br><code>ip access-group 100 out</code><br><br>
| 套用介面:R2 Fa0/0<br>方向:out<br>控制 172.16.100.101 / 172.16.100.102
| <pre>
conf t
 
no access-list 100
 
access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 20
access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 21
access-list 100 deny ip 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0
access-list 100 deny ip 10.0.0.0 0.255.255.255 172.16.100.101 0.0.0.0
 
access-list 100 permit tcp any 172.16.100.102 0.0.0.0 eq 80
access-list 100 permit icmp any 172.16.100.102 0.0.0.0
access-list 100 deny ip any 172.16.100.102 0.0.0.0
 
interface fa0/0
ip access-group 100 out
 
 
 
</pre>
| <pre>
show running-config interface fa0/0
 
interface FastEthernet0/0
ip access-group 100 out
</pre>
| ACL 100 套在 R2 Fa0/0 outbound,控制往 Server 區的流量。
|-
 
| ACL 驗證
| 清除 ACL 計數器
| ACL 100
| <pre>
clear access-list counters 100
</pre>
| <pre>
沒有錯誤訊息即代表完成
</pre>
| 測試前先清除計數器,方便確認 permit / deny 是否被命中。
|-
|-
| ACL 驗證
| VLAN12-RD1 FTP R2-Private
| Source:10.1.12.17<br>Destination:172.16.100.101<br>Service:FTP
| <pre>
ftp 172.16.100.101
</pre>
| <pre>
Connected to 172.16.100.101
230 Logged in
</pre>
| 符合 ACL 要求:VLAN12 可使用 FTP 存取 R2-Private。
|-
| ACL 驗證
| VLAN12-RD1 ping R2-Private
| Source:10.1.12.17<br>Destination:172.16.100.101<br>Service:ICMP
| <pre>
ping 172.16.100.101
</pre>
| <pre>
Destination host unreachable
Sent = 4, Received = 0, Lost = 4
</pre>
| 符合 ACL 要求:VLAN12 除 FTP 以外不可存取 R2-Private。
|-
| ACL 驗證
| R3-PC ping R2-Private
| Source:10.3.2.10<br>Destination:172.16.100.101<br>Service:ICMP
| <pre>
ping 172.16.100.101
</pre>
| <pre>
Destination host unreachable
Sent = 4, Received = 0, Lost = 4
</pre>
| 符合 ACL 要求:總公司其他 VLAN / R3 內網不可存取 R2-Private。
|-
| ACL 驗證
| R3-PC ping R2-DMZ
| Source:10.3.2.10<br>Destination:172.16.100.102<br>Service:ICMP
| <pre>
ping 172.16.100.102
</pre>
| <pre>
Reply from 172.16.100.102
Sent = 4, Received = 4, Lost = 0
</pre>
| 符合 ACL 要求:Any-PC 可 ping R2-DMZ。
|-
| ACL 驗證
| R3-PC http R2-DMZ
| Source:10.3.2.10<br>Destination:172.16.100.102<br>Service:HTTP
| <pre>
Web Browser:
http://172.16.100.102
</pre>
| <pre>
Cisco Packet Tracer 網頁成功開啟
</pre>
| 符合 ACL 要求:Any-PC 可使用 HTTP 存取 R2-DMZ。
|-
| ACL 驗證
| R3-PC ftp R2-DMZ
| Source:10.3.2.10<br>Destination:172.16.100.102<br>Service:FTP
| <pre>
ftp 172.16.100.102
</pre>
| <pre>
Error opening ftp://172.16.100.102/
Timed out
</pre>
| 符合 ACL 要求:R2-DMZ 不允許 FTP 等其他服務。
|-
| ACL 驗證
| R2 show access-lists 100
| ACL match 結果
| <pre>
show access-lists 100
</pre>
| <pre>
permit tcp 10.1.12.16 0.0.0.15 host 172.16.100.101 eq ftp (11 match(es))
deny ip 10.1.12.16 0.0.0.15 host 172.16.100.101 (4 match(es))
deny ip 10.0.0.0 0.255.255.255 host 172.16.100.101 (101 match(es))
permit tcp any host 172.16.100.102 eq www (5 match(es))
permit icmp any host 172.16.100.102 (4 match(es))
deny ip any host 172.16.100.102 (12 match(es))
</pre>
| permit / deny 規則皆有 match,ACL 驗證完成。
|-
| SSH ACL
| SSH ACL
| R3 只允許 VLAN14 IT SSH
| R3 SSH 管理限制
| Username:user<br>Password:123<br>Domain:ckc.com<br>RSA:1024<br>ACL:12
| 狀態:完成<br>目的:只允許 VLAN14 IT SSH 到 R3<br>Username:user<br>Password:123<br>Domain:ckc.com<br>RSA:1024<br>ACL:12<br>Allowed Source:10.1.14.64/27<br><br>輸入指令:<br><code>conf t</code><br><code>username user password 123</code><br><code>ip domain-name ckc.com</code><br><code>crypto key generate rsa</code><br><code>1024</code><br><code>ip ssh version 2</code><br><code>access-list 12 permit 10.1.14.64 0.0.0.31</code><br><code>line vty 0 5</code><br><code>login local</code><br><code>transport input ssh</code><br><code>access-class 12 in</code><br><code>exit</code><br><code>line vty 6 15</code><br><code>transport input none</code><br><code>exit</code><br><br>
| <pre>
conf t
 
username user password 123
ip domain-name ckc.com
crypto key generate rsa
1024
ip ssh version 2
 
access-list 12 permit 10.1.14.64 0.0.0.31
 
line vty 0 5
login local
transport input ssh
access-class 12 in
exit
 
line vty 6 15
transport input none
exit
 
 
 
</pre>
| <pre>
VLAN14-IT ssh 到 R3:OK
其他 VLAN ssh 到 R3:Not OK
</pre>
| 只允許 VLAN14 IT 網段使用 SSH 管理 R3,最多開放 vty 0 到 5 共 6 條 sessions。
|-
 
| 最終驗證
| NAT / PAT
| VLAN12、VLAN13、R6-PC5
| <pre>
VLAN12-RD1:
ping 200.200.200.200
 
VLAN13-Sales2:
ping 200.200.200.200
 
R6-PC5:
ping 200.200.200.200
 
R1 / R6:
show ip nat translations
</pre>
| <pre>
VLAN12 PAT:OK
VLAN13 Dynamic NAT:OK
R6-PC5 PAT:OK
NAT translation 有產生
</pre>
| NAT / PAT 完成。
|-
 
| 最終驗證
| Static NAT
| 172.16.100.102 ↔ 171.69.233.209
| <pre>
Internet User:
ping 171.69.233.209
http://171.69.233.209
 
R1:
show ip nat translations
</pre>
| <pre>
Internet User ping R2-DMZ 公有 IP:OK
Internet User http R2-DMZ 公有 IP:OK
Static NAT translation 存在
</pre>
| Static NAT 完成。
|-
 
| 最終驗證
| IPSec VPN
| R6-PC6 ↔ R3-PC1
| <pre>
R6-PC6:
ping 10.3.1.10
 
R6:
show crypto isakmp sa
show crypto ipsec sa
</pre>
| <pre>
R6-PC6 ping 10.3.1.10:OK
QM_IDLE / ACTIVE
encaps / decaps 有增加
</pre>
| IPSec VPN 完成。
|-
 
| 最終驗證
| ACL 100
| R2 Fa0/0 outbound
| <pre>
R2:
show access-lists 100
</pre>
| <pre>
permit 規則有 match
deny 規則有 match
ACL 測試全部符合預期
</pre>
| Exted ACL 100 完成。
|}
|}

於 2026年6月8日 (一) 00:58 的最新修訂

完整設定表

  • Client IP / Gateway
    • Switch VLAN
    • Access Port
    • Trunk
    • Router-on-a-stick
    • Router Interface
    • Static / Floating Static Route
    • OSPF
    • Default Route
    • NAT / PAT
    • Static NAT
    • IPSec VPN
    • ACL
    • 最終驗證

一、終端設備 IP / Gateway 設定

階段 設備 / 項目 設定內容與輸入指令
Client IP S1 管理 IP 狀態:完成
VLAN:99
IP:10.1.99.101
Mask:255.255.255.0
Gateway:10.1.99.254

輸入指令:
conf t
interface vlan 99
ip address 10.1.99.101 255.255.255.0
no shutdown
exit
ip default-gateway 10.1.99.254

Client IP S2 管理 IP 狀態:完成
VLAN:99
IP:10.1.99.102
Mask:255.255.255.0
Gateway:10.1.99.254

輸入指令:
conf t
interface vlan 99
ip address 10.1.99.102 255.255.255.0
no shutdown
exit
ip default-gateway 10.1.99.254

Client IP Mgmt Server 狀態:完成
IP:10.1.99.100
Mask:255.255.255.0
Gateway:10.1.99.254

設定位置:Desktop → IP Configuration
IP Address: 10.1.99.100
Subnet Mask: 255.255.255.0
Default Gateway: 10.1.99.254
Client IP VLAN12-RD1 狀態:完成
部門:RD
VLAN:12
IP:10.1.12.17
Mask:255.255.255.240
Gateway:10.1.12.30
接線位置:S1 Fa0/11

設定位置:Desktop → IP Configuration
IP Address: 10.1.12.17
Subnet Mask: 255.255.255.240
Default Gateway: 10.1.12.30
Client IP VLAN12-RD2 狀態:完成
部門:RD
VLAN:12
IP:10.1.12.18
Mask:255.255.255.240
Gateway:10.1.12.30
接線位置:S2 Fa0/11

設定位置:Desktop → IP Configuration
IP Address: 10.1.12.18
Subnet Mask: 255.255.255.240
Default Gateway: 10.1.12.30
Client IP VLAN13-Sales1 狀態:完成
部門:Sales
VLAN:13
IP:10.1.13.25
Mask:255.255.255.248
Gateway:10.1.13.30
接線位置:S1 Fa0/15

設定位置:Desktop → IP Configuration
IP Address: 10.1.13.25
Subnet Mask: 255.255.255.248
Default Gateway: 10.1.13.30
Client IP VLAN13-Sales2 狀態:完成
部門:Sales
VLAN:13
IP:10.1.13.26
Mask:255.255.255.248
Gateway:10.1.13.30
接線位置:S2 Fa0/15

設定位置:Desktop → IP Configuration
IP Address: 10.1.13.26
Subnet Mask: 255.255.255.248
Default Gateway: 10.1.13.30
Client IP VLAN14-IT 狀態:完成
部門:IT
VLAN:14
IP:10.1.14.65
Mask:255.255.255.224
Gateway:10.1.14.94
接線位置:S2 Fa0/19

設定位置:Desktop → IP Configuration
IP Address: 10.1.14.65
Subnet Mask: 255.255.255.224
Default Gateway: 10.1.14.94
Client IP R2-Private 狀態:完成
角色:Private Server
IP:172.16.100.101
Mask:255.255.255.0
Gateway:172.16.100.254

設定位置:Desktop → IP Configuration
IP Address: 172.16.100.101
Subnet Mask: 255.255.255.0
Default Gateway: 172.16.100.254
Client IP R2-DMZ 狀態:完成
角色:DMZ Server
IP:172.16.100.102
Mask:255.255.255.0
Gateway:172.16.100.254
Static NAT 對應:171.69.233.209

設定位置:Desktop → IP Configuration
IP Address: 172.16.100.102
Subnet Mask: 255.255.255.0
Default Gateway: 172.16.100.254
Client IP R2-Other 狀態:完成
角色:Other Server
IP:172.16.100.103
Mask:255.255.255.0
Gateway:172.16.100.254

設定位置:Desktop → IP Configuration
IP Address: 172.16.100.103
Subnet Mask: 255.255.255.0
Default Gateway: 172.16.100.254
Client IP R3-PC1 狀態:完成
IP:10.3.1.10
Mask:255.255.255.0
Gateway:10.3.1.254
用途:IPSec VPN 遠端目的端

設定位置:Desktop → IP Configuration
IP Address: 10.3.1.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.3.1.254
Client IP R3-PC2 狀態:完成
IP:10.3.2.10
Mask:255.255.255.0
Gateway:10.3.2.254
用途:Static / Floating Static Route 測試

設定位置:Desktop → IP Configuration
IP Address: 10.3.2.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.3.2.254
Client IP R6-PC5 狀態:完成
IP:10.5.0.10
Mask:255.255.255.0
Gateway:10.5.0.254
用途:R6 PAT 測試

設定位置:Desktop → IP Configuration
IP Address: 10.5.0.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.5.0.254
Client IP R6-PC6 狀態:完成
IP:10.6.0.10
Mask:255.255.255.0
Gateway:10.6.0.254
用途:IPSec VPN 本端來源

設定位置:Desktop → IP Configuration
IP Address: 10.6.0.10
Subnet Mask: 255.255.255.0
Default Gateway: 10.6.0.254
Client IP Internet WWW 狀態:完成
IP:200.200.200.200
Mask:255.255.255.0
Gateway:200.200.200.254
用途:NAT / PAT 連外測試

設定位置:Desktop → IP Configuration
IP Address: 200.200.200.200
Subnet Mask: 255.255.255.0
Default Gateway: 200.200.200.254
Client IP Internet User 狀態:完成
IP:201.201.201.201
Mask:255.255.255.0
Gateway:201.201.201.254
用途:Static NAT 外部測試

設定位置:Desktop → IP Configuration
IP Address: 201.201.201.201
Subnet Mask: 255.255.255.0
Default Gateway: 201.201.201.254

二、Switch VLAN / Access Port / Trunk 設定

階段 設備 / 項目 設定內容與輸入指令
VLAN S1 建立 VLAN 狀態:完成
VLAN12:RD
VLAN13:sales
VLAN14:IT
VLAN99:MGMT

輸入指令:
conf t
vlan 12
name RD
vlan 13
name sales
vlan 14
name IT
vlan 99
name MGMT

VLAN S2 建立 VLAN 狀態:完成
VLAN12:RD
VLAN13:sales
VLAN14:IT
VLAN99:MGMT

輸入指令:
conf t
vlan 12
name RD
vlan 13
name sales
vlan 14
name IT
vlan 99
name MGMT

Access Port S1 Access Port 狀態:完成
Fa0/11:VLAN12
Fa0/15:VLAN13
Fa0/21:VLAN99

輸入指令:
conf t
interface fa0/11
switchport mode access
switchport access vlan 12
no shutdown
exit
interface fa0/15
switchport mode access
switchport access vlan 13
no shutdown
exit
interface fa0/21
switchport mode access
switchport access vlan 99
no shutdown

Access Port S2 Access Port 狀態:完成
Fa0/11:VLAN12
Fa0/15:VLAN13
Fa0/19:VLAN14

輸入指令:
conf t
interface fa0/11
switchport mode access
switchport access vlan 12
no shutdown
exit
interface fa0/15
switchport mode access
switchport access vlan 13
no shutdown
exit
interface fa0/19
switchport mode access
switchport access vlan 14
no shutdown

Trunk S1 to S2 狀態:完成
Trunk Port:Fa0/23 - 24
Allowed VLAN:12,13,14,99

輸入指令:
conf t
interface range fa0/23 - 24
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown

Trunk S2 to S1 狀態:完成
Trunk Port:Fa0/23 - 24
Allowed VLAN:12,13,14,99

輸入指令:
conf t
interface range fa0/23 - 24
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown

Trunk S1 to R1 狀態:完成
S1 Fa0/5 連接 R1 Fa0/0
Allowed VLAN:12,13,14,99

輸入指令:
conf t
interface fa0/5
switchport mode trunk
switchport trunk allowed vlan 12,13,14,99
no shutdown


三、Router-on-a-stick / Router 介面設定 (含等價網路平衡設定)

階段 設備 / 項目 設定內容與輸入指令
Router-on-a-stick R1 Fa0/0 狀態:完成
用途:Trunk 母介面,不設定 IP

輸入指令:
conf t
interface fa0/0
no shutdown

Router-on-a-stick R1 Fa0/0.2 狀態:完成
VLAN:12
Gateway:10.1.12.30/28

輸入指令:
conf t
interface fa0/0.2
encapsulation dot1Q 12
ip address 10.1.12.30 255.255.255.240

Router-on-a-stick R1 Fa0/0.3 狀態:完成
VLAN:13
Gateway:10.1.13.30/29

輸入指令:
conf t
interface fa0/0.3
encapsulation dot1Q 13
ip address 10.1.13.30 255.255.255.248

Router-on-a-stick R1 Fa0/0.4 狀態:完成
VLAN:14
Gateway:10.1.14.94/27

輸入指令:
conf t
interface fa0/0.4
encapsulation dot1Q 14
ip address 10.1.14.94 255.255.255.224

Router-on-a-stick R1 Fa0/0.99 狀態:完成
VLAN:99
Gateway:10.1.99.254/24

輸入指令:
conf t
interface fa0/0.99
encapsulation dot1Q 99
ip address 10.1.99.254 255.255.255.0

Serial R1 Serial0/0/0 狀態:完成
連線:R1 to R2
IP:192.168.123.1/30
Bandwidth:128K

輸入指令:
conf t
interface serial0/0/0
ip address 192.168.123.1 255.255.255.252
bandwidth 128
no shutdown

Serial R1 Serial0/0/1 狀態:完成
連線:R1 to R3
IP:192.168.123.5/30
Bandwidth:64K
Clock rate:64000

輸入指令:
conf t
interface serial0/0/1
ip address 192.168.123.5 255.255.255.252
bandwidth 64
clock rate 64000
no shutdown

Internet R1 Serial0/1/1 狀態:完成
連線:R1 to Internet Router
IP:193.16.1.254/30
用途:NAT outside、VPN peer

輸入指令:
conf t
interface serial0/1/1
ip address 193.16.1.254 255.255.255.252
no shutdown

Router Interface R2 Fa0/0 狀態:完成
用途:Server 區 Gateway
IP:172.16.100.254/24

輸入指令:
conf t
interface fa0/0
ip address 172.16.100.254 255.255.255.0
no shutdown

Serial R2 Serial0/0/0 狀態:完成
連線:R2 to R1
IP:192.168.123.2/30
Bandwidth:128K
Clock rate:128000

輸入指令:
conf t
interface serial0/0/0
ip address 192.168.123.2 255.255.255.252
bandwidth 128
clock rate 128000
no shutdown

Serial R2 Serial0/0/1 狀態:完成
連線:R2 to R3
IP:192.168.123.9/30
Bandwidth:128K
Clock rate:128000

輸入指令:
conf t
interface serial0/0/1
ip address 192.168.123.9 255.255.255.252
bandwidth 128
clock rate 128000
no shutdown

Router Interface R3 Fa0/0 狀態:完成
用途:R3-PC1 Gateway
IP:10.3.1.254/24

輸入指令:
conf t
interface fa0/0
ip address 10.3.1.254 255.255.255.0
no shutdown

Router Interface R3 Fa0/1 狀態:完成
用途:R3-PC2 Gateway
IP:10.3.2.254/24

輸入指令:
conf t
interface fa0/1
ip address 10.3.2.254 255.255.255.0
no shutdown

Serial R3 Serial0/0/0 狀態:完成
連線:R3 to R1
IP:192.168.123.6/30
Bandwidth:64K

輸入指令:
conf t
interface serial0/0/0
ip address 192.168.123.6 255.255.255.252
bandwidth 64
no shutdown

Serial R3 Serial0/0/1 狀態:完成
連線:R3 to R2
IP:192.168.123.10/30
Bandwidth:128K

輸入指令:
conf t
interface serial0/0/1
ip address 192.168.123.10 255.255.255.252
bandwidth 128
no shutdown

Router Interface R6 Fa0/1 狀態:完成
用途:R6-PC5 Gateway、PAT inside
IP:10.5.0.254/24

輸入指令:
conf t
interface fa0/1
ip address 10.5.0.254 255.255.255.0
no shutdown

Router Interface R6 Fa0/0 狀態:完成
用途:R6-PC6 Gateway、VPN protected LAN
IP:10.6.0.254/24

輸入指令:
conf t
interface fa0/0
ip address 10.6.0.254 255.255.255.0
no shutdown

Internet R6 Serial0/0/0 狀態:完成
連線:R6 to Internet Router
IP:193.16.6.254/30
用途:NAT outside、VPN peer

輸入指令:
conf t
interface serial0/0/0
ip address 193.16.6.254 255.255.255.252
no shutdown

Internet Router Internet Router 介面 狀態:完成
To R1:193.16.1.253/30
To R6:193.16.6.253/30
Internet WWW Gateway:200.200.200.254/24
Internet User Gateway:201.201.201.254/24

輸入指令:
conf t
interface serial0/0/0
ip address 193.16.1.253 255.255.255.252
clock rate 64000
no shutdown
exit
interface serial0/0/1
ip address 193.16.6.253 255.255.255.252
clock rate 64000
no shutdown
exit
interface fa0/0
ip address 200.200.200.254 255.255.255.0
no shutdown
exit
interface fa0/1
ip address 201.201.201.254 255.255.255.0
no shutdown


四、Static Route / Floating Static Route / OSPF 設定

階段 設備 / 項目 設定內容與輸入指令
Static Route R1 to 10.3.2.0/24 主路由 狀態:完成
Destination:10.3.2.0/24
Next-hop:192.168.123.6
AD:1

輸入指令:
conf t
ip route 10.3.2.0 255.255.255.0 192.168.123.6

Floating Static Route R1 to 10.3.2.0/24 備援路由 狀態:完成
Destination:10.3.2.0/24
Next-hop:192.168.123.2
AD:2

輸入指令:
conf t
ip route 10.3.2.0 255.255.255.0 192.168.123.2 2

Static Route R2 to 10.3.2.0/24 狀態:完成
Destination:10.3.2.0/24
Next-hop:192.168.123.10

輸入指令:
conf t
ip route 10.3.2.0 255.255.255.0 192.168.123.10

Static Route R2 to VLAN14 狀態:完成
Destination:10.1.14.64/27
Next-hop:192.168.123.1

輸入指令:
conf t
ip route 10.1.14.64 255.255.255.224 192.168.123.1

Static Route R3 to VLAN14 主路由 狀態:完成
Destination:10.1.14.64/27
Next-hop:192.168.123.5
AD:1

輸入指令:
conf t
ip route 10.1.14.64 255.255.255.224 192.168.123.5

Floating Static Route R3 to VLAN14 備援路由 狀態:完成
Destination:10.1.14.64/27
Next-hop:192.168.123.9
AD:2

輸入指令:
conf t
ip route 10.1.14.64 255.255.255.224 192.168.123.9 2

OSPF R1 OSPF 狀態:完成
Process ID:1
Router ID:192.168.99.1
主要方式:network 指令使用子網段

輸入指令:
conf t
interface loopback0
ip address 192.168.99.1 255.255.255.255
exit
router ospf 1
router-id 192.168.99.1
passive-interface default
no passive-interface serial0/0/0
no passive-interface serial0/0/1
network 192.168.123.0 0.0.0.3 area 0
network 192.168.123.4 0.0.0.3 area 0
network 10.1.12.16 0.0.0.15 area 0
network 10.1.13.24 0.0.0.7 area 0
network 10.1.99.0 0.0.0.255 area 0
network 192.168.99.1 0.0.0.0 area 0

OSPF R2 OSPF 狀態:完成
Process ID:2
Router ID:192.168.99.2
主要方式:network 指令使用直連介面 IP

輸入指令:
conf t
interface loopback0
ip address 192.168.99.2 255.255.255.255
exit
router ospf 2
router-id 192.168.99.2
network 192.168.123.2 0.0.0.0 area 0
network 192.168.123.9 0.0.0.0 area 0
network 172.16.100.254 0.0.0.0 area 2
network 192.168.99.2 0.0.0.0 area 2
passive-interface fa0/0

OSPF R3 OSPF 狀態:完成
Process ID:3
Router ID:192.168.99.3
主要方式:interface mode 啟動 OSPF

輸入指令:
conf t
interface loopback0
ip address 192.168.99.3 255.255.255.255
ip ospf 3 area 3
exit
interface fa0/0
ip ospf 3 area 3
exit
interface serial0/0/0
ip ospf 3 area 0
exit
interface serial0/0/1
ip ospf 3 area 0
exit
router ospf 3
router-id 192.168.99.3
passive-interface fa0/0

OSPF Cost Serial bandwidth 狀態:完成
R1-R2:128K
R2-R3:128K
R1-R3:64K

R1 輸入指令:
conf t
interface serial0/0/0
bandwidth 128
exit
interface serial0/0/1
bandwidth 64



R2 輸入指令:
conf t
interface serial0/0/0
bandwidth 128
exit
interface serial0/0/1
bandwidth 128



R3 輸入指令:
conf t
interface serial0/0/0
bandwidth 64
exit
interface serial0/0/1
bandwidth 128

Default Route R1 Default Route 狀態:完成
Default Route:0.0.0.0/0
Next-hop:193.16.1.253

輸入指令:
conf t
ip route 0.0.0.0 0.0.0.0 193.16.1.253

OSPF Default R1 宣告 Default Route 狀態:完成
目的:讓 R2 / R3 學到 O*E2 0.0.0.0/0

輸入指令:
conf t
router ospf 1
default-information originate

Default Route R6 Default Route 狀態:完成
Default Route:0.0.0.0/0
Next-hop:193.16.6.253

輸入指令:
conf t
ip route 0.0.0.0 0.0.0.0 193.16.6.253


五、NAT / PAT / Static NAT 設定

階段 設備 / 項目 設定內容與輸入指令
PAT R1 VLAN12 PAT 狀態:完成
Inside:Fa0/0.2
Outside:Serial0/1/1
ACL:10
Source:10.1.12.16/28

輸入指令:
conf t
interface fa0/0.2
ip nat inside
exit
interface serial0/1/1
ip nat outside
exit
access-list 10 permit 10.1.12.16 0.0.0.15
ip nat inside source list 10 interface serial0/1/1 overload

PAT R6-PC5 PAT 狀態:完成
Inside:Fa0/1
Outside:Serial0/0/0
ACL:10
Source:10.5.0.0/24

輸入指令:
conf t
interface fa0/1
ip nat inside
exit
interface serial0/0/0
ip nat outside
exit
access-list 10 permit 10.5.0.0 0.0.0.255
ip nat inside source list 10 interface serial0/0/0 overload

Dynamic NAT R1 VLAN13 Dynamic NAT 狀態:完成
Inside:Fa0/0.3
Outside:Serial0/1/1
ACL:20
Pool:171.69.233.210 - 171.69.233.222

輸入指令:
conf t
interface fa0/0.3
ip nat inside
exit
interface serial0/1/1
ip nat outside
exit
no access-list 20
no ip nat inside source list 20 pool netpool
no ip nat pool netpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240
access-list 20 permit 10.1.13.24 0.0.0.7
ip nat pool natpool 171.69.233.210 171.69.233.222 netmask 255.255.255.240
ip nat inside source list 20 pool natpool

NAT Return Route Internet Router 狀態:完成
目的:回指 NAT 公有 IP 池
Public Pool:171.69.233.208/28
Next-hop:193.16.1.254

輸入指令:
conf t
ip route 171.69.233.208 255.255.255.240 193.16.1.254

Static NAT R1 R2-DMZ Static NAT 狀態:完成
Inside local:172.16.100.102
Inside global:171.69.233.209

輸入指令:
conf t
interface serial0/0/0
ip nat inside
exit
interface serial0/1/1
ip nat outside
exit
no ip nat inside source static 172.16.100.103 171.69.233.209
ip nat inside source static 172.16.100.102 171.69.233.209


六、IPSec VPN 設定

階段 設備 / 項目 設定內容與輸入指令
VPN Phase 1 R1 IKE Policy 狀態:完成
Peer:193.16.6.254
PSK:SeCrEt
Encryption:3DES
Hash:SHA
DH Group:2
Lifetime:86400

輸入指令:
conf t
crypto isakmp policy 10
encr 3des
hash sha
authentication pre-share
group 2
lifetime 86400
exit
crypto isakmp key SeCrEt address 193.16.6.254

VPN Phase 2 R1 Crypto Map 狀態:完成
Transform-set:ts16
Crypto ACL:110
Local:10.3.1.0/24
Remote:10.6.0.0/24
Peer:193.16.6.254

輸入指令:
conf t
crypto ipsec transform-set ts16 esp-aes 128 esp-md5-hmac
no access-list 110
access-list 110 permit ip 10.3.1.0 0.0.0.255 10.6.0.0 0.0.0.255
crypto map map16 10 ipsec-isakmp
set peer 193.16.6.254
set transform-set ts16
match address 110
exit
interface serial0/1/1
crypto map map16

VPN Phase 1 R6 IKE Policy 狀態:完成
Peer:193.16.1.254
PSK:SeCrEt
Encryption:3DES
Hash:SHA
DH Group:2
Lifetime:86400

輸入指令:
conf t
crypto isakmp policy 10
encr 3des
hash sha
authentication pre-share
group 2
lifetime 86400
exit
crypto isakmp key SeCrEt address 193.16.1.254

VPN Phase 2 R6 Crypto Map 狀態:完成
Transform-set:ts61
Crypto ACL:110
Local:10.6.0.0/24
Remote:10.3.1.0/24
Peer:193.16.1.254

輸入指令:
conf t
crypto ipsec transform-set ts61 esp-aes 128 esp-md5-hmac
no access-list 110
access-list 110 permit ip 10.6.0.0 0.0.0.255 10.3.1.0 0.0.0.255
crypto map map61 10 ipsec-isakmp
set peer 193.16.1.254
set transform-set ts61
match address 110
exit
interface serial0/0/0
crypto map map61

VPN 查修備註 R6 重掛 Crypto Map 狀態:備註
用途:若 ACL 110 有 match,但 encaps / decaps 仍為 0,可重掛 crypto map 後重新 ping 觸發。

查修指令:
conf t
interface serial0/0/0
no crypto map map61
crypto map map61


七、Extended ACL 100 / SSH ACL 設定

階段 設備 / 項目 設定內容與輸入指令
Extended ACL R2 ACL 100 狀態:完成
套用介面:R2 Fa0/0
方向:out
R2-Private:172.16.100.101
R2-DMZ:172.16.100.102

輸入指令:
conf t
no access-list 100
access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 20
access-list 100 permit tcp 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0 eq 21
access-list 100 deny ip 10.1.12.16 0.0.0.15 172.16.100.101 0.0.0.0
access-list 100 deny ip 10.0.0.0 0.255.255.255 172.16.100.101 0.0.0.0
access-list 100 permit tcp any 172.16.100.102 0.0.0.0 eq 80
access-list 100 permit icmp any 172.16.100.102 0.0.0.0
access-list 100 deny ip any 172.16.100.102 0.0.0.0
interface fa0/0
ip access-group 100 out

SSH ACL R3 SSH 管理限制 狀態:完成
目的:只允許 VLAN14 IT SSH 到 R3
Username:user
Password:123
Domain:ckc.com
RSA:1024
ACL:12
Allowed Source:10.1.14.64/27

輸入指令:
conf t
username user password 123
ip domain-name ckc.com
crypto key generate rsa
1024
ip ssh version 2
access-list 12 permit 10.1.14.64 0.0.0.31
line vty 0 5
login local
transport input ssh
access-class 12 in
exit
line vty 6 15
transport input none
exit