示例圖:
其實說白了就是做線路冗余,達到熱備切換。
組網需求:
樓層1和樓層2分別通過兩條線路做冗余接入交換機(本示例只考慮vrrp,暫不考慮其他方面)。當其中一段鏈路故障時,能通過另外一條鏈路傳輸。
配置信息:
<lsw9>dis cu # sysname lsw9 # vlan batch 10 20 # stp mode stp # interface Ethernet0/0/2 port link-type access port default vlan 10 # interface Ethernet0/0/3 port link-type access port default vlan 20 # interface GigabitEthernet0/0/1 port link-type trunk port trunk allow-pass vlan 10 20 # interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 10 20 stp instance 0 cost 200000000 # return <lsw9>
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<lsw11>dis cu # sysname lsw11 # vlan batch 30 # stp mode stp # interface Ethernet0/0/2 port link-type access port default vlan 30 # interface Ethernet0/0/3 port link-type access port default vlan 30 # interface GigabitEthernet0/0/1 port link-type trunk port trunk allow-pass vlan 30 stp instance 0 cost 200000000 # interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 30 # return <lsw11>
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<lsw7>dis cu # sysname lsw7 # vlan batch 10 20 30 100 # stp mode stp # interface Vlanif1 # interface Vlanif10 description to 1 L ip address 10.155.10.254 255.255.255.0 vrrp vrid 1 virtual-ip 10.155.10.252 vrrp vrid 1 priority 120 vrrp vrid 1 preempt-mode timer delay 20 # interface Vlanif20 ip address 10.155.20.254 255.255.255.0 vrrp vrid 1 virtual-ip 10.155.20.252 vrrp vrid 1 priority 120 vrrp vrid 1 preempt-mode timer delay 20 # interface Vlanif30 description to 5 L ip address 10.156.40.254 255.255.255.0 ip address 10.156.30.254 255.255.255.0 sub vrrp vrid 1 virtual-ip 10.156.30.252 vrrp vrid 2 virtual-ip 10.156.40.252 vrrp vrid 2 priority 120 vrrp vrid 2 preempt-mode timer delay 20 # interface Vlanif100 ip address 10.10.10.1 255.255.255.0 # interface MEth0/0/1 # interface GigabitEthernet0/0/1 port link-type access port default vlan 100 # interface GigabitEthernet0/0/11 port link-type trunk port trunk pvid vlan 100 port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/21 port link-type trunk port trunk allow-pass vlan 30 # ospf 1 area 0.0.0.0 network 10.10.10.0 0.0.0.255 network 10.155.0.0 0.0.255.255 network 10.156.0.0 0.0.255.255 # return
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<lsw8>dis cu # sysname lsw8 # vlan batch 10 20 30 200 # stp mode stp # interface Vlanif1 # interface Vlanif10 description to 1 L ip address 10.155.10.253 255.255.255.0 vrrp vrid 1 virtual-ip 10.155.10.252 # interface Vlanif20 description to 1 L ip address 10.155.20.253 255.255.255.0 vrrp vrid 1 virtual-ip 10.155.20.252 # interface Vlanif30 description to 5 L ip address 10.156.30.253 255.255.255.0 ip address 10.156.40.253 255.255.255.0 sub vrrp vrid 1 virtual-ip 10.156.30.252 vrrp vrid 1 priority 120 vrrp vrid 1 preempt-mode timer delay 20 vrrp vrid 2 virtual-ip 10.156.40.252 # interface Vlanif200 ip address 10.10.20.1 255.255.255.0 # interface MEth0/0/1 # interface GigabitEthernet0/0/1 # interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 10 20 # interface GigabitEthernet0/0/12 port hybrid pvid vlan 200 port hybrid tagged vlan 1 to 4094 # interface GigabitEthernet0/0/22 port link-type trunk port trunk allow-pass vlan 30 # ospf 1 area 0.0.0.0 network 10.155.0.0 0.0.255.255 network 10.156.0.0 0.0.255.255 network 10.10.20.0 0.0.0.255 # return <lsw8>
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<R4>dis cu # sysname R4 # stp instance 0 root primary stp enable # interface GigabitEthernet0/0/1 ip address 10.10.10.254 255.255.255.0 stp enable # interface GigabitEthernet0/0/2 ip address 10.10.20.254 255.255.255.0 stp enable # interface GigabitEthernet0/0/3 ip address 61.128.128.6 255.255.255.0 # return <R4>
參考:
http://www.023wg.com/kkxpz/85.html(以上內容轉自此篇文章)