思科配置VSS的一些注意事项(前提条件)

思科配置VSS的一些注意事项(前提条件)

Catalyst 4500交换机上的四管理引擎VSS部署配置示例.pdf


4500交换机配置VSS的一些注意事项:
1) 两台设备的板卡型号必须一致('WS-X44xy' 'WS-X42xy'开头的板卡不支持 )

不对称的机箱技术支持
Catalyst 4500和Catalyst 4500-X VSS要求在两个机箱的同一种Supervisor Engine类型。
机箱必须包含slot的同一数量,即使他们的线路卡有所不同或他们的slot是空的。
假设slot的数量在两个机箱的配比,机箱在类型能有所不同(即+E和- E机箱可以在单个VSS)。

2)软件要求:Cisco IOS XE 3.4.0SG 和 ROMMON IOS Version 15.0(1r) SG7以上
Requirements
Cisco建议您有VSS技术知识,在您安装四元组Supervisor前。
为了设置在Catalyst 4500的一个四元组Supervisor VSS用Supervisor 7,您的Supervisor需要运行
Cisco IOS XE版本3.4.0或以上。您也将需要保证您的ROM版本是15.0(1r) SG7或以上。
为了设置在Catalyst 4500的四元组Supervisor VSS用Supervisor 8,您的Supervisor需要运行Cisco
IOS XE版本3.6.0或以上。您也将需要保证您的ROM版本是15.1(1r) SG4或以上。
为了设置在RPR模式下运行在Catalyst 4500的四元组Supervisor VSS与ICS,您的Supervisor需要
运行Cisco IOS XE版本3.8.0或以上。您也将需要保证您的ROM版本是15.1(1r)SG6或以上。

3)License要求:备注:由于文档比较老,现在4506的型号已经是SUP8E,SUP8E也是支持的
在机箱内的激活的Supervisor之间的Stateful Switchover (SSO)冗余要求或者IP BASE或企业服务准
许平实。
在配置VSS前,请验证硬件、软件和License信息
sh ver | in IOS
sh ver | in ROM
sh license image levels

在您开始前,请验证
为了配置在Catalyst 4500的四元组Supervisor VSS,使用Supervisor 8为了保证一些个设置到位:
(1)保证最低的软件要求满足。此示例显示与ROM版本15.1(1r)SG6的版本03.08.01E。
4K_SW1#show version | i Cisco IOS Software|ROM:
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch  Software
(cat4500es8-UNIVERSALK9-M), Version 03.08.01.E RELEASE SOFTWARE (fc2) ROM: 15.1(1r)SG6

(2)保证当前Supervisor是全部在SSO冗余模式下。 Note:IP BASE的一个最低的许可证级别为
SSO要求(LAN基础在RPR只将运行)。
4K_SW1#show redundancy
Redundant System Information :
------------------------------Available system uptime = 1 day, 10 hours, 4 minutes
Switchovers system experienced = 0
Standby failures = 0
Last switchover reason = none
Hardware Mode = Duplex
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Maintenance Mode = Disabled
Communications = Up

(3)保证设置正确的引导程序寄存器变量保证交换机将引导正如所料。Cisco推荐0x2102作为配置
寄存器值。这保证交换机引导对Cisco IOS XE注释的版本在引导说明。
4K_SW1#show bootvar
BOOT variable = bootflash:cat4500es8-universalk9.SPA.03.08.01.E.152-4.E1.bin,1;
CONFIG_FILE variable =
BOOTLDR variable =
Configuration register is 0x2102
Standby BOOT variable = bootflash:cat4500es8-universalk9.SPA.03.08.01.E.152-4.E1.bin,1;
Standby CONFIG_FILE variable =
Standby BOOTLDR variable =
Standby Configuration register is 0x2102


缚住并且配置
在本例中,每个机箱之间的四10G光纤连接用于形成VSL。连接在Supervisor使用10G端口。
图片.png
Note:有多种方式缚住此解决方案,并且这里示例只是一方式。

完成这些步骤为了配置交换机:
(1)设置虚拟域和交换编号在每台交换机。在两交换机配置的交换机虚拟域编号一定是相同的。
4K_SW1(config)#switch virtual domain 200
Domain ID 200 config will take effect only
after the exec command 'switch convert mode virtual' is issued
4K_SW1(config-vs-domain)#switch 1
4K_SW2(config)#switch virtual domain 200
Domain ID 200 config will take effect only
after the exec command 'switch convert mode virtual' is issued
4K_SW2(config-vs-domain)#switch 2
(2)创建端口通道并且添加成员链接。不同于以前显示的域编号, Port-Channel编号不能是相同的。
4K_SW1(config)#int po10
4K_SW1(config-if)#switchport
4K_SW1(config-if)#switchport mode trunk
4K_SW1(config-if)#switch virtual link 1
4K_SW1(config-if)#exit
4K_SW1(config)#int range te3/1-2, te4/1-2
4K_SW1(config-if-range)#switchport mode trunk
4K_SW1(config-if-range)#channel-group 10 mode on
WARNING: Interface TenGigabitEthernet3/1 placed in restricted config mode.
All extraneous configs removed!
*Jul 3 19:36:00.615: %EC-5-CANNOT_BUNDLE2: Te3/1 is not compatible with Po10
and will be suspended (trunk mode of Te3/1 is dynamic, Po10 is trunk)
4K_SW1#show etherchannel summary
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------10 Po10(SD) - Te3/1(w) Te3/2(w) Te4/1(w)
Te4/2(w)
4K_SW2(config)#int po20
4K_SW2(config-if)#switchport
4K_SW2(config-if)#switchport mode trunk
4K_SW2(config-if)#switch virtual link 2
4K_SW2(config)#int range te3/1-2, te4/1-2
4K_SW2(config-if-range)#switchport mode trunk
4K_SW2(config-if-range)#channel-group 20 mode on
WARNING: Interface TenGigabitEthernet3/2 placed in restricted config mode.
All extraneous configs removed!
*Jul 3 19:50:26.703: %EC-5-CANNOT_BUNDLE2: Te3/1 is not compatible with
Po20 and will be suspended (trunk mode of Te3/1 is dynamic, Po20 is trunk)
4K_SW2#show etherchannel summary
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------20 Po20(SD) - Te3/1(w) Te3/2(w) Te4/1(w)
Te4/2(w)
Note:"%EC-5-CANNOT_BUNDLE2"错误瞬变,并且可能安全被忽略。


转换交换机成虚拟(RPR Mode/03.08.00E和以后)
1. 保存配置在两交换机,将同步在Supervisor的配置在机箱内。
4K_SW1#copy running-config startup-config
4K_SW2#copy running-config startup-config
2. 转换机箱成VSS模式:
Switch#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
该引起机箱重新加载。在ICS机箱的重新加载期间,此消息显示,并且控制台不再将是可用的:
Switch#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

转换交换机成虚拟(ROMmon模式/早于版本03.08.00E)
交换机当前需要被转换成VSS,然而不同于一个传统单个Supervisor VSS进程要求您演出每套Supervisor。
1. 重新载入在每个机箱的对等体Supervisor并且暂挂在ROMMON。
Note:您需要保证您有控制台访问到Supervisor,并且能迅速终止启动流程。
每个机箱的激活的Supervisor
4K_SW1#redundancy reload peer
Reload peer [confirm]
4K_SW1#
Preparing to reload peer
在每个机箱的对等体Supervisor
4K_SW1#redundancy reload peer
Reload peer [confirm]
4K_SW1#
Preparing to reload peer
在您进行前,两个机箱应该有一激活的Supervisor和一个Supervisor在ROMMON状态。其次,请输入virtual命令交换机转换的模式为了转换两激活的Supervisor成VSS。
4K_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
Building configuration...
Compressed configuration from 6329 bytes to 2912 bytes[OK]
Saving converted configuration to bootflash: ...
Destination filename [startup-config.converted_vs-20140704-053736]?
7146 bytes copied in 1.404 secs (5090 bytes/sec)
Rebooting the switch
*Jul 4 05:37:40.501: %SYS-5-RELOAD: Reload requested by Exec.
Reload Reason: Reason unspecified.
4K_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
Building configuration...
Compressed configuration from 5819 bytes to 2786 bytes[OK]
Saving converted configuration to bootflash: ...
Destination filename [startup-config.converted_vs-20140704-053752]?
5831 bytes copied in 0.416 secs (14017 bytes/sec)
Rebooting the switch
*Jul 4 05:37:54.072: %SYS-5-RELOAD: Reload requested by Exec.
Reload Reason: Reason unspecified.
Note:既使当Supervisor在ROMMON状态,在对等体Supervisor的交换端口积极地通过数据流。

一旦Supervisor被转换了并且被重新载入了到VSS,下一步是安置他们在ROMMON状态和转换对等体Supervisor成VSS。因为激活的Supervisor是在VSS,您能运行单个命令为了重新载入整个架子。
请勿忘记终止他们两个在ROMMON。
4K_SW1#redundancy reload shelf
Reload the entire shelf [confirm]
Preparing to reload this shelf
<Snippet>
***** The system will autoboot in 5 seconds *****
Type control-C to prevent autobooting.
.
Autoboot cancelled......... please wait!!!
rommon 1 > [interrupt]
rommon 1 >
一旦以前激活的Supervisor被终止在ROMMON,请手工引导对等体Supervisor并且转换他们成
VSS。
一旦两个Supervisor是引导,并且活动,您需要进行一些个配置更改为了保证新的Supervisor加入VSS。
切记对等体Supervisor在转换前被重新载入了向VSS,因此他们无法解析某些配置在加载。
最安全的方式保证所有配置适用将重复以前被执行的步骤。在您重新配置Port-Channel前,您也许也需要默认接口。
4K_SW1(config)#switch virtual domain 200
4K_SW1(config-vs-domain)#switch 1
4K_SW1(config)#int po10
4K_SW1(config-if)#switchport
4K_SW1(config-if)#switchport mode trunk
4K_SW1(config-if)#switch virtual link 1
MESSAGE:
You are configuring VSL on interface Po10.
There are member ports already attached to the port channel.
Remove all member ports before configuring as VSL Port-Channel.



激活的Supervisor
4K_SW1(config)#default int range te3/1-2, te4/1-2
重新应用配置对Port-Channel 10
4K_SW1(config)#int po10
4K_SW1(config-if)#switch virtual link 1
*Jul 4 07:25:29.532: %SPANTREE-6-PORTDEL_ALL_VLANS: Port-channel10
deleted from all Vlans
配置成员端口
4K_SW1(config)#int range te3/1-2,te4/1-2
4K_SW1(config-if-range)#switchport mode trunk
4K_SW1(config-if-range)#channel-group 10 mode on
重新应用配置对Port-Channel 20
4K_SW2(config)#int po20
4K_SW2(config-if)#switch virtual link 2
*Jul 4 07:35:29.532: %SPANTREE-6-PORTDEL_ALL_VLANS: Port-channel20 deleted from all Vlans
配置成员端口
4K_SW2(config)#int range te3/1-2,te4/1-2
4K_SW2(config-if-range)#switchport mode trunk
4K_SW2(config-if-range)#channel-group 20 mode on
转换两交换机成VSS
4K_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
Building configuration...
Compressed configuration from 6329 bytes to 2911 bytes[OK]
Saving converted configuration to bootflash: ...
Destination filename [startup-config.converted_vs-20140704-080809]?
7146 bytes copied in 0.116 secs (61603 bytes/sec)
Rebooting the switch
4K_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
Building configuration...
Compressed configuration from 5819 bytes to 2785 bytes[OK]
Saving converted configuration to bootflash: ...
Destination filename [startup-config.converted_vs-20140704-080834]?
5831 bytes copied in 0.984 secs (5926 bytes/sec)
Rebooting the switch
一旦Supervisor重新加载,他们应该在VSS当前形成。您应该当前有在ROMMON坐并且等候手动启
动的两激活的Supervisor和两个Supervisor。 对等体Supervisor在ROMMON保持并且需要手工引导
为了接收控制层面数据流。
Troubleshoot
目前没有针对此配置的故障排除信息。
Verify
Use this section to confirm that your configuration works properly.
 
4K_SW1#show switch virtual
Executing the command on VSS member switch role = VSS Active, id = 2
Switch mode : Virtual Switch
Virtual switch domain number : 200
Local switch number : 2
Local switch operational role: Virtual Switch Active
Peer switch number : 1
Peer switch operational role : Virtual Switch Standby
Executing the command on VSS member switch role = VSS Standby, id = 1
Switch mode : Virtual Switch
Virtual switch domain number : 200
Local switch number : 1
Local switch operational role: Virtual Switch Standby
Peer switch number : 2
Peer switch operational role : Virtual Switch Active
4K_SW1#show switch virtual redundancy
Executing the command on VSS member switch role = VSS Active, id = 2
My Switch Id = 2
Peer Switch Id = 1
Last switchover reason = user forced
Configured Redundancy Mode = Stateful Switchover
Operating Redundancy Mode = Stateful Switchover
Switch 2 Slot 14 Processor Information :
-----------------------------------------------Current Software state = ACTIVE
Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software
(cat4500e-UNIVERSALK9-M), Version 15.2(2)E, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Fri 27-Jun-14 05:55 by prod_rel_team
BOOT = bootflash:cat4500e-universalk9.SPA.03.05.02.E.152-1.E2.bin,1;
Configuration register = 0x102 (will be 0x2102 at next reload)
Fabric State = ACTIVE
Control Plane State = ACTIVE
Switch 1 Slot 4 Processor Information :
-----------------------------------------------Current Software state = STANDBY HOT (switchover target)
Image Version = Cisco IOS Software, Catalyst 4500 L3 Switch Software
(cat4500e-UNIVERSALK9-M), Version 15.2(2)E, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Fri 27-Jun-14 05:55 by p
BOOT = bootflash:cat4500e-universalk9.SPA.03.05.02.E.152-1.E2.bin,1;
Configuration register = 0x102 (will be 0x2102 at next reload)
Fabric State = ACTIVE
Control Plane State = STANDBY
Executing the command on VSS member switch role = VSS Standby, id = 1
show virtual switch redundancy is not supported on the standby


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