vlan+vrrp+ stp
拓撲圖：
配置代碼：
sw1------------
sys
vlan 10
vlan 20
quit
int e0/0/1
port link-type access
port default vlan 10
int e0/0/2
port link-type access
port default vlan 20
int e0/0/3
port link-type trunk
port trunk allow-pass vlan all
int e0/0/4
port link-type trunk
port trunk allow-pass vlan all
quit
(每個交換機都配)
stp region-configuration
region-name fxl
revision-level 1
instance 1 vlan 10
instance 2 vlan 20
active region-configuration
quit
sw2--------------
sys
vlan 10
vlan 20
quit
int e0/0/1
port link-type access
port default vlan 10
int e0/0/2
port link-type access
port default vlan 20
int e0/0/3
port link-type trunk
port trunk allow-pass vlan all
int e0/0/4
port link-type trunk
port trunk allow-pass vlan all
quit
stp region-configuration
region-name fxl
revision-level 1
instance 1 vlan 10
instance 2 vlan 20
active region-configuration
quit
sw3--------------
sys
vlan 10
vlan 20
quit
（g0/0/3和g0/0/4端口聚合）
interface eth-trunk 1
quit
interface g0/0/3
eth-trunk 1
quit
interface g0/0/4
eth-trunk 1
quit
interface eth-trunk 1
port link-type trunk
port trunk allow-pass vlan all
quit
int g0/0/1
port link-type trunk
port trunk allow-pass vlan all
int g0/0/2
port link-type trunk
port trunk allow-pass vlan all
quit
stp region-configuration
region-name fxl
revision-level 1
instance 1 vlan 10
instance 2 vlan 20
active region-configuration
quit
stp instance 1 priority 4096(配置stp使sw3成為vlan10的根)
(配置g0/0/5ip)
vlan 100
int vlanif 100
ip add 10.0.0.1 24
int g0/0/5
port link-type access
port default vlan 100
quit
(配置vrrp 使sw4down掉時數據可從sw3通過)
int vlanif 10（與sw4中的vlan10對比）
ip add 192.168.10.252 24
vrrp vrid 1 virtual-ip 192.168.10.254（sw3和sw4都配這虛擬ip）
vrrp vrid 1 priority 200（數據從優先級大的通過）
vrrp vrid 1 track interface g0/0/5 reduced 150
（配置端口追蹤，當g0/0/5down掉時將vrid 優先級減150）
quit
int vlanif 20（與sw4中的vlan20對比）
ip add 192.168.20.252 24
vrrp vrid 2 virtual-ip 192.168.20.254
vrrp vrid 2 priority 150
quit
rip
version 2
network 192.168.10.0
network 192.168.20.0
network 10.0.0.0
quit
sw4--------------
sys
vlan 10
vlan 20
quit
（g0/0/3和g0/0/4端口聚合）
interface eth-trunk 1
quit
interface g0/0/3
eth-trunk 1
quit
interface g0/0/4
eth-trunk 1
quit
interface eth-trunk 1
port link-type trunk
port trunk allow-pass vlan all
quit
int g0/0/1
port link-type trunk
port trunk allow-pass vlan all
int g0/0/2
port link-type trunk
port trunk allow-pass vlan all
quit
(配置stp使sw4成為vlan20的根)
stp region-configuration
region-name fxl
revision-level 1
instance 1 vlan 10
instance 2 vlan 20
active region-configuration
quit
stp instance 2 priority 4096
(配置g0/0/5ip)
vlan 200
int vlanif 200
ip add 20.0.0.1 24
int g0/0/5
port link-type access
port default vlan 200
quit
int vlanif 10
ip add 192.168.10.253 24
vrrp vrid 1 virtual-ip 192.168.10.254
vrrp vrid 1 priority 150
quit
(配置vrrp 使sw4down掉時數據可從sw3通過)
int vlanif 20
ip add 192.168.20.253 24
vrrp vrid 2 virtual-ip 192.168.20.254
vrrp vrid 2 priority 200
vrrp vrid 2 track interface g0/0/5 reduced 150
quit
rip
version 2
network 192.168.10.0
network 192.168.20.0
network 20.0.0.0
quit
R1---------
sys
int g0/0/0
ip add 10.0.0.2 24
int g0/0/1
ip add 20.0.0.2 24
int g0/0/2
ip add 30.0.0.254 24
quit
rip
version 2
network 10.0.0.0
network 20.0.0.0
network 30.0.0.0
quit
驗證：
vlan10從sw3通過
Vlan20從sw4通過
把sw4down掉後：vlan20數據從sw3通過：
驗證端口追蹤：
把sw4端口g0/0/5down掉後：vlan20數據從sw3通過：
本文出自 “feng” 博客，請務必保留此出處http://fengxiaoli.blog.51cto.com/12104465/1946545
vlan+vrrp+ stp