;

1.PC1的網(wǎng)關(guān)ip位于匯聚交換機A犀盟，PC2的網(wǎng)關(guān)IP位于匯聚交換機B，默認均為vlan 1蝇狼；

2.核心交換機A 與核心交換機B 采用VRRP實現(xiàn)高可用阅畴，雙機互聯(lián)端口采用二層聚合；

3.核心交換機A 指定為Vlan 194 和 vlan 192 的根橋（bridge root）迅耘，核心交換機B指定為vlan195 和vlan193的根橋（bridge root）;

匯聚層交換機A：

#生成樹的模式選為mstp

stp mode mstp

#進入生成樹的配置模式

stp region-configuration

region-name yongfu

#創(chuàng)建實例1贱枣，將vlan192、194劃到實例1中

instance 1 vlan 192 194?

#創(chuàng)建實例1颤专，將vlan193纽哥、195劃到實例2中

instance 2 vlan 193 195

#激活配置

active region-configuration

interface Vlanif1

#接入層交換機的網(wǎng)關(guān)ip

ip address 10.12.192.254 255.255.255.128

interface Vlanif192

ip address 10.13.192.156 255.255.255.248

interface Ethernet0/0/1

port link-type trunk

port trunk allow-pass vlan 2 to 4094

interface Ethernet0/0/2

port link-type trunk

port trunk allow-pass vlan 2 to 4094

#配置環(huán)回接口的IP地址

interface LoopBack0

ip address 1.1.1.1 255.255.255.0

#配置route-id 1.1.1.1

ospf 1 router-id 1.1.1.1

area 0

#宣告直連網(wǎng)絡(luò)

? network 10.13.192.0 0.0.0.255

? network 10.12.192.128 0.0.0.127

匯聚層交換機B：

vlan batch 193

stp mode mstp

stp region-configuration

region-name yongfu

instance 1 vlan 192 194

instance 2 vlan 193 195

active region-configuration

interface Vlanif1

#pc2的網(wǎng)關(guān)ip

ip address 10.14.192.126 255.255.255.128

interface Vlanif193

ip address 10.13.193.156 255.255.255.248

interface Ethernet0/0/1

port link-type trunk

port trunk allow-pass vlan 193

interface Ethernet0/0/2

port link-type trunk

port trunk allow-pass vlan 193

#配置ospf，手動設(shè)置route-id

ospf 1 router-id 2.2.2.2

area 0

#宣告直連網(wǎng)段

? network 10.14.192.0 0.0.0.127

? network 10.13.193.152 0.0.0.7

核心交換機lsw1：

#創(chuàng)建vlan192-195

vlan batch 192 to 195

#指定該交換機為實例1的根網(wǎng)橋（即為vlan 192栖秕、194的根橋）

stp instance 1 root primary

#指定該交換機為實例2的根網(wǎng)橋（即為vlan 193春塌、195的備根橋）

stp instance 2 root secondary

#配置mstp生成樹協(xié)議

stp mode mstp

stp region-configuration

region-name yongfu

instance 1 vlan 192 194

instance 2 vlan 193 195

active region-configuration

interface Vlanif192

ip address 10.13.192.153 255.255.255.248

#配置vrrp協(xié)議，vrid為192簇捍，虛擬網(wǎng)關(guān)地址為10.13.192.155

vrrp vrid 192 virtual-ip 10.13.192.155

#默認優(yōu)先級是100只壳，現(xiàn)將優(yōu)先級設(shè)置為120，為主網(wǎng)關(guān)設(shè)備

vrrp vrid 192 priority 120

interface Vlanif193

ip address 10.13.193.153 255.255.255.248

#不配置優(yōu)先級暑塑，默認為100吼句，作為備用網(wǎng)關(guān)

vrrp vrid 193 virtual-ip 10.13.193.155

interface Vlanif194

ip address 10.13.194.1 255.255.255.248

vrrp vrid 194 virtual-ip 10.13.194.3

vrrp vrid 194 priority 120

interface Vlanif195

ip address 10.13.195.1 255.255.255.248

vrrp vrid 195 virtual-ip 10.13.195.3

#配置聚合口

interface Eth-Trunk1

port link-type trunk

#放通所有vlan

port trunk allow-pass vlan 2 to 4094

#將接口劃分為對應(yīng)的vlan

interface GigabitEthernet0/0/1

port link-type trunk

port trunk allow-pass vlan 192

interface GigabitEthernet0/0/2

port link-type trunk

port trunk allow-pass vlan 193

#將GigabitEthernet0/0/3、GigabitEthernet0/0/4捆綁成一個聚合口

interface GigabitEthernet0/0/3

eth-trunk 1

interface GigabitEthernet0/0/4

eth-trunk 1

interface GigabitEthernet0/0/5

port link-type trunk

port trunk allow-pass vlan 2 to 4094

interface GigabitEthernet0/0/6

port link-type trunk

port trunk allow-pass vlan 2 to 4094

#配置ospf事格，進程號為1惕艳，route-id為3.3.3.3

ospf 1 router-id 3.3.3.3

area 0.0.0.0

#宣告直連網(wǎng)段

? network 10.13.192.152 0.0.0.7

? network 10.13.193.152 0.0.0.7

? network 10.13.194.0 0.0.0.7

? network 10.13.195.0 0.0.0.7

ip route-static 19.130.107.0 255.255.255.192 10.13.194.5

核心交換機lsw2：（配置與lsw1相似）

#創(chuàng)建vlan192-195

vlan batch 192 to 195

stp mode mstp

stp instance 2 root primary

stp instance 1 root secondary

stp region-configuration

region-name yongfu

instance 1 vlan 192 194

instance 2 vlan 193 195

active region-configuration

#配置個接口的ip地址，配置vrrp驹愚，設(shè)置主尔艇、備網(wǎng)關(guān)

interface Vlanif192

ip address 10.13.192.154 255.255.255.248

vrrp vrid 192 virtual-ip 10.13.192.155

interface Vlanif193

ip address 10.13.193.154 255.255.255.248

vrrp vrid 193 virtual-ip 10.13.193.155

vrrp vrid 193 priority 120

interface Vlanif194

ip address 10.13.194.2 255.255.255.248

vrrp vrid 194 virtual-ip 10.13.194.3

interface Vlanif195

ip address 10.13.195.2 255.255.255.248

vrrp vrid 195 virtual-ip 10.13.195.3

vrrp vrid 195 priority 120

interface Eth-Trunk1

port link-type trunk

port trunk allow-pass vlan 2 to 4094

interface GigabitEthernet0/0/1

port link-type trunk

port trunk allow-pass vlan 192

interface GigabitEthernet0/0/2

port link-type trunk

port trunk allow-pass vlan 193

interface GigabitEthernet0/0/3

eth-trunk 1

interface GigabitEthernet0/0/4

eth-trunk 1

interface GigabitEthernet0/0/5

port link-type trunk

port trunk allow-pass vlan 2 to 4094

interface GigabitEthernet0/0/6

port link-type trunk

port trunk allow-pass vlan 2 to 4094

交換機lsw14：

vlan batch 194

stp mode mstp?

stp region-configuration

region-name yongfu

instance 1 vlan 192 194

instance 2 vlan 193 195

active region-configuration

interface Vlanif1

ip address 10.13.192.133 255.255.255.252

interface Vlanif194

ip address 10.13.194.5 255.255.255.248

interface Ethernet0/0/1

port link-type trunk

port trunk allow-pass vlan 194

interface Ethernet0/0/2

port link-type trunk

port trunk allow-pass vlan 194

#配置ospf，進程號為1么鹤，route-id 5.5.5.5

ospf 1 router-id 5.5.5.5

area 0.0.0.0

? network 10.13.194.0 0.0.0.7

? network 10.13.192.132 0.0.0.3

ip route-static 19.130.107.0 255.255.255.0 10.13.192.134

交換機lsw15：

vlan batch 195

stp mode mstp

stp region-configuration

region-name yongu

instance 1 vlan 192 194

instance 2 vlan 193 195

active region-configuration

interface Vlanif1

ip address 10.13.192.149 255.255.255.252

interface Vlanif195

ip address 10.13.195.5 255.255.255.248

interface Ethernet0/0/1

port link-type trunk

port trunk allow-pass vlan 195

interface Ethernet0/0/2

port link-type trunk

port trunk allow-pass vlan 195

ospf 1 router-id 6.6.6.6

area 0.0.0.0

? network 10.13.192.148 0.0.0.3

? network 10.13.195.0 0.0.0.7

ip route-static 61.142.211.0 255.255.255.0 10.13.192.150

出口路由器R1:

interface Ethernet0/0/0

ip address 10.13.192.134 255.255.255.252

interface Ethernet0/0/1

ip address 19.130.107.1 255.255.255.0

ospf 1 router-id 7.7.7.7

area 0.0.0.0

? network 10.13.192.132 0.0.0.3

? network 19.130.107.0 0.0.0.255

ip route-static 0.0.0.0 0.0.0.0 10.13.192.133

出口路由器R2:

interface Ethernet0/0/0

ip address 10.13.192.150 255.255.255.252

interface Ethernet0/0/1

interface GigabitEthernet0/0/0

ip address 61.142.211.122 255.255.255.0

nat static global 61.142.211.123 inside 10.12.194.1 netmask 255.255.255.255

nat static enable

ospf 1 router-id 8.8.8.8

area 0.0.0.0

? network 10.13.192.148 0.0.0.3

? network 61.142.211.0 0.0.0.255

ip route-static 0.0.0.0 0.0.0.0 10.13.192.149