配置Cisco VSS
思科VSS配置一、将2台VSS65从单机箱模式切换到虚拟机箱模式
基本步骤：
1.分别在交换机1、2上配置SSO高可用性协议：
2.配置虚拟交换机的域（Virtual Switch Domain and Switch Numbers）
3.配置两台交换机之间的VSL 端口(利用引擎上的2个万兆光口进行连接)
4.转换机箱变成虚拟交换机模式
详细配置：
1.分别在交换机1、2上配置SSO高可用性协议：
Switch1:
Step 1
Switch-1(config)# redundancy
Enters redundancy configuration mode.
Step 2
Switch-1(config-red)# mode sso
Configures SSO. When this command is entered, the redundant supervisor engine is> Step 3
Switch-1(config-red)# exit
Switch-1# show running-config
Switch-1# show redundancy states//Displays the operating redundancy mode.
Switch2:
Switch-2(config)# redundancy
Switch-2(config-red)# mode sso
Switch-2(config-red)# exit
Switch-2# show running-config
Switch-2# show redundancy states
2.配置虚拟交换机的域（Virtual Switch Domain and Switch Numbers）
Switch1:
Step 1
Switch-1(config)# switch virtual domain 100
Step 2
Switch-1(config-vs-domain)# switch 1
Step 3
Switch-1(config-vs-domain)# exit
Switch2:
Switch-2(config)# switch virtual domain 100
Switch-2(config-vs-domain)# switch 2
Switch-2(config-vs-domain)# exit
3.配置两台交换机之间的VSL 端口(利用引擎上的2个万兆光口进行连接)
1）配置channel
Switch1:
Step 1
Switch-1(config)# interface port-channel 10
Step 2
Switch-1(config-if)# switch virtual link 1
Step 3
Switch-1(config-if)# no shutdown//Activates the port channel.
Step 4
Switch-1(config-if)# exit
Switch2:
Switch-2(config)# interface port-channel 20
Switch-2(config-if)# switch virtual link 2
Switch-2(config-if)# no shutdown
Switch-2(config-if)# exit
2）把引擎上的万兆端口加入channel（假设引擎在slot3，一定先确认port-channel已加入switch virtual link)
Switch1:
Switch-1(config)# interface range tengigabitethernet 3/1-2
Switch-1(config-if)# channel-group 10 mode on
Switch-1(config-if)# no shutdown
Switch2:
Step 1
Switch-2(config)# interface range tengigabitethernet 3/1-2
Switch-2(config-if)# channel-group 20 mode on
Switch-2(config-if)# no shutdown
4.转换机箱变成虚拟交换机模式
1)先查看机箱的PFC模式，保证2个机箱相同
Step 1
Switch-1# show platform hardware pfc mode
Ensures that the PFC operating mode matches on both chassis, to ensure that the VSS comes up in SSO redundancy mode.
Step 2
Switch-2# show platform hardware pfc mode
Step 3
Switch-1(config)# platform hardware vsl pfc mode pfc3c
(Optional) Sets the PFC operating mode to PFC3C on Chassis A.
Step 4
Switch-2(config)# platform hardware vsl pfc mode pfc3c
(Optional) Sets the PFC operating mode to PFC3C on Chassis B.
2)切换机箱模式
Switch1:
Switch-1# switch convert mode virtual
Converts Switch 1 to virtual switch mode.
After you enter the command, you are prompted to confirm the action. Enter yes.
The system creates a converted configuration file, and saves the file to the RP bootflash.
Switch2:
Switch-2# switch convert mode virtual
5.查看VSS信息
Router# show switch virtual
Displays the virtual switch domain number, and the switch number and role for each of the chassis.
Router# show switch virtual role
Displays the role, switch number, and priority for each of the chassis in the VSS.
Router# show switch virtual link
Displays the status of the VSL.
The following example shows the information output from these commands:
Router# show switch virtual
Switch mode : Virtual Switch
Virtual switch domain number : 100
Local switch number : 1
Local switch operational role: Virtual Switch Active
Peer switch number : 2
Peer switch operational role : Virtual Switch Standby
Router# show switch virtual role
SwitchSwitch StatusPreempt PriorityRole Session> Number Oper(Conf) Oper(Conf) LocalRemote
------------------------------------------------------------------
LOCAL 1 UP FALSE(N) 100(100)ACTIVE 0 0
REMOTE 2 UP FALSE(N) 100(100)STANDBY8158 1991
In dual-active recovery mode: No
Router# show switch virtual link
VSL Status: UP
VSL Uptime: 4 hours, 26 minutes
VSL SCP Ping: Pass OK
VSL ICC (Ping): Pass
VSL Control Link: Te 1/5/1
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