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4500交換機配置VSS的一些注意事項：

1) 兩臺設(shè)備的板卡型號必須一致（'WS-X44xy' 'WS-X42xy'開頭的板卡不支持 ）

2）軟件要求：Cisco IOS XE 3.4.0SG 和 ROMMON IOS Version 15.0(1r) SG7以上

3）License要求：

備注：由于文檔比較老，現(xiàn)在4506的型號已經(jīng)是SUP8E，SUP8E也是支持的

image1.png

在配置VSS前，請驗證硬件、軟件和License信息

sh ver | in IOS
sh ver | in ROM
sh license image levels

配置步驟

第一步：分配虛擬交換機域和交換機編號

SW1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
SW1(config)#switch virtual domain 10 
Domain ID 10 config will take effect only after the exec command 'switch convert mode virtual' is issued 
SW1(config-vs-domain)#switch 1 
SW1(config-vs-domain)#exit 
SW1(config)#

SW2#conf t
Enter configuration commands, one per line. End with CNTL/Z. 
SW2(config)#switch virtual domain 10 
Domain ID 10 config will take effect only after the exec command 'switch convert mode virtual' is issued 
SW2(config-vs-domain)#switch 2 
SW2(config-vs-domain)#exit 
SW2(config)#

第二步：配置VSL Port Channel

注意：兩臺設(shè)備的port-channel編號必須不能相同

SW1(config)#int port-channel 5 
SW1(config-if)#switchport 
SW1(config-if)#switch virtual link 1 
SW1(config-if)#no shut 
SW1(config-if)#exit

SW2(config)#int port-channel 10 
SW2(config-if)#switchport 
SW2(config-if)#switch virtual link 2 
SW2(config-if)#no shut 
SW2(config-if)#exit 

第三步：配置VSL端口

SW1(config)#int range ten1/1 - 2 
SW1(config-if-range)#switchport mode trunk 
SW1(config-if-range)#channel-group 5 mode on 
WARNING: Interface tenGigabitEthernet1/1 placed in restricted config mode. All extraneous configs removed! WARNING: Interface tenGigabitEthernet1/2 placed in restricted config mode. All extraneous configs removed! 
SW1(config-if-range)#exit
SW2(config)#int range ten1/1 - 2 
SW2(config-if-range)#switchport mode trunk 
SW2(config-if-range)#channel-group 10 mode on 
WARNING: Interface tenGigabitEthernet1/1 placed in restricted config mode. All extraneous configs removed! WARNING: Interface tenGigabitEthernet1/2 placed in restricted config mode. All extraneous configs removed! 
SW2(config-if-range)#exit

第四步：將當(dāng)前的交換機模式切換為虛擬交換機（VSS）模式

SW1#switch convert mode virtual 
This command will convert all interface names to naming convention "interface-type switch-number/slot/port", save the running config to startup-config and reload the switch. Do you want to proceed? [yes/no]: yes Converting interface names
SW2#switch convert mode virtual? 
This command will convert all interface names to naming convention "interface-type switch-number/slot/port", save the running config to startup-config and reload the switch. Do you want to proceed? [yes/no]: yes Converting interface names

驗證

SW1#sh switch virtual
SW1#sh switch virtual role
SW1#sh switch virtual link
SW1#sh switch virtual link port-channel