思科VSS虚拟交换系统详细配置命令

步聚

6509-1配置

第一步、

初始化Catalyst 6509交换机

VSS-sw1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

6509-2配置

VSS-sw2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

第二步、

配置VSS Domain ID；

VSS-sw1(config)#switch virtual domain 100

Domain ID 100 config will take effect only after the exec command ‘switch

convert mode virtual’ is issued

6509-2配置

VSS-sw2(config)#switch virtual domain 100

Domain ID 100 config will take effect only after the exec command ‘switch

convert mode virtual’ is issued

第三步、

设置交换机Switch ID；

VSS-sw1(config-vs-domain)#switch 1

VSS-sw1(config-vs-domain)#

6509-2配置

VSS-sw2(config-vs-domain)#switch 2

VSS-sw2(config-vs-domain)#

第四步、

检验交换机Switch ID；

VSS-sw1#switch read switch_num

Read switch_num from rommon is 1

6509-2配置

VSS-sw2#switch read switch_num

Read switch_num from rommon is 2

第五步、

配置VSL；

VSS-sw1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

VSS-sw1(config)#interface portchannel 1

VSS-sw1(config-if)#switch virtual link 1

VSS-sw1(config-if)#no shut

6509-2配置

VSS-sw2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

VSS-sw2(config)#interface portchannel 2

VSS-sw2(config-if)#switch virtual link 2

VSS-sw2(config-if)#no shut

VSS-sw2(config-if)#

物理接口划入端口组

VSS-sw1(config)#interface range tenGigabitEthernet 5/4 - 5

VSS-sw1(config-if-range)#channelgroup 1 mode on

VSS-sw1(config-if-range)#no shut

VSS-sw1(config-if-range)#^Z

VSS-sw1#

Switch-1# platform hardware vsl pfc mode pfc3c

（一般保持默认，不需要调整）

6509-2配置

VSS-sw2(config)#interface range tenGigabitEthernet 5/4 - 5

VSS-sw2(config-if-range)#channelgroup 2 mode on

VSS-sw2(config-if-range)#no shut

VSS-sw2(config-if-range)#^Z

VSS-sw2#

Switch-2# platform hardware vsl pfc mode pfc3c

（一般保持默认，不需要调整）

第六步、

VSS模式转换

VSS-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 startupconfig and reload the switch.

Do you want to proceed? [yes/no]: yes

Converting interface names
Building configuration...
[OK]
Saving converted configurations to bootflash …
[OK]

6509-2配置

VSS-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 startupconfig and reload the switch.

Do you want to proceed? [yes/no]: yes

Converting interface names

Building configuration...

[OK]

Saving converted configurations to bootflash …

[OK]

第七步、

重启交换机

System detected Virtual Switch

configuration...

Interface TenGigabitEthernet1/5/4 is member of PortChannel 1

Interface TenGigabitEthernet1/5/5 is member of PortChannel 1

<snip>

00:00:26: %VSL_BRINGUP-6-MODULE_UP: VSL module in slot 5

switch 1 brought up

Initializing as Virtual Switch Active

00:08:01: SW1_SP: Card inserted in

Switch_number = 2 ,

physical slot 3,

interfaces are now online

VSS >

VSS>en

VSS#

6509-2配置

System detected Virtual Switch

configuration...
Interface TenGigabitEthernet2/5/4 is member of PortChannel 2
Interface TenGigabitEthernet2/5/5 is member of PortChannel 2
<snip>
00:00:26: %VSL_BRINGUP-6-MODULE_UP: VSL module in slot 5
switch 2 brought up
Initializing as Virtual Switch standby
00:01:43: %CRYPTO-6-ISAKMP_ON_OFF:
ISAKMP is OFF
00:01:43: %CRYPTO-6-ISAKMP_ON_OFF:
ISAKMP is OFF

VSS-sdby>
Standby console disabled

第八步、

检验VSS配置

VSS#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

第九步、

主备配置同步

VSS#switch accept mode virtual

This command will bring in all VSL configurations from the standby
switch and populate it into the running configuration.
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In addition the startup configurations will be updated with the new merged configurations.

Do you want proceed? [yes/no]: yes
Merging the standby VSL configuration. . .
Building configuration...
[OK]

第十步、

配置VSL Failure

（有两种方式：）

1、PAGP

2、BFD

PAGP，好像说下面的接入要在4500以上。反正做试验没有成功。

vss(config)# interface port-channel 20

vss(config-if)# shutdown

vss(config-if)# exit

vss(config)# switch virtual domain 100

vss(config-vs-domain)# dual-active detection pagp

vss(config-vs-domain)# dual-active detection pagp trust channel-group 20

vss(config-vs-domain)# exit

vss(config)# interface port-channel 20

vss(config-if)# no shutdown

vss(config-if)# exit

vss#conf t

Enter configuration commands, one per line. End with CNTL/Z.

vss(config)#switch virtual domain 100

vss(config-vs-domain)#dual-active detection pagp

vss(config-vs-domain)#dual-active trust channel-group 20

vss(config-vs-domain)#

BFD配置，

试验是成功的。

vss (config)# interface gigabitethernet 1/5/3

vss (config-if)# no switchport

vss(config-if)# ip address 200.230.230.231 255.255.255.0

vss (config-if)# bfd interval 100 min_rx 100 multiplier 50

vss (config-if)# no shutdown

vss(config-if)# interface gigabitethernet 2/5/3

vss(config-if)# no switchport

vss(config-if)# ip address 201.230.230.231 255.255.255.0

vss (config-if)# bfd interval 100 min_rx 100 multiplier 50

vss(config-if)# no shutdown

vss(config-if)# exit

vss(config)# switch virtual domain 100

vss(config-vs-domain)# dual-active detection bfd

vss (config-vs-domain)# dual-active pair interface g 1/9/48 interface g 2/1/48 bfd

adding a static route 200.230.230.0 255.255.255.0 Gi2/1/48 for this dual-active pair adding a static route 201.230.230.0 255.255.255.0 Gi1/9/48 for this dual-active pair

vss(config-vs-domain)# exit

vss(config)# exit

vss# show switch virtual dual-active bfd

Bfd dual-active detection enabled: Yes

Bfd dual-active interface pairs configured: interface1 Gi1/9/48 interface2 Gi2/1/48

设置两台交换机的priority

vss#conf t

Enter configuration commands, one per line. End with CNTL/Z.

vss(config)#switch virtual domain 100

vss(config-vs-domain)#switch 1 priority 110

*Jul 7 08:59:11.913: %VSLP-SW1_SPSTBY-5-RRP_RT_CFG_CHANGE: Configured

priority value is different from operational value.

Change will take effect after config is saved and switch is reloaded.

vss(config-vs-domain)#switch 2 priority 100

vss(config-vs-domain)#^Z

vss#

第十一步、

保存配置

vss#conf t

Enter configuration commands, one per line. End with CNTL/Z.

vss(config)#wr

platform hardware vsl pfc mode pfc3c

To configure the system to operate in PFC3C mode after the next reload, use the platform hardware vsl pfc mode pfc3c command in global configuration mode. To return to the default settings, us e the no form of this command.

platform hardware vsl pfc mode pfc3c

no platform hardware vsl pfc mode pfc3c

Syntax Description

This command has no arguments or keywords.

Command Default

The default PFC mode is PFC3CXL.

Command Modes

Global configuration (config)

Command History


Release	Modification
12.2(33)SXH1	Support for this command was introduced.
12.2(50)SY	Support for this command was introduced.
15.0(1)SY	Support for this command was introduced.

Usage Guidelines

After entering this command, you must perform a system reload before the command takes affect.

If both supervisor engines have PFC3Cs installed, the VSS automatically operates in PFC3C mode, even if there are switching modules equipped with (DFC) 3CXL daughter cards.

If both supervisor engines have PFC3CXLs installed and there is a combination of DFC3C and DFC3CXL switching modules, the system PFC mode is dependant on how the 3C and 3CXL switching modules are distributed between the two chassis.

Each chassis in the VSS determines its system PFC mode. If there is a mismatch between the PFC modes on both chassis, the VSS comes up in RPR mode instead of SSO mode.

Examples

The following example shows how to configure the system to operate in PFC3C mode after the next reload;

Router(config)# platform hardware vsl pfc mode pfc3c

Router(config)#

Related Commands


Command	Description
show power	Displays platform information.

platform hardware vsl pfc mode non-xl

To configure the system to operate in PFC4C mode when you reload, use the platform hardware vsl pfc mode non-xl command in global configuration mode. To return to the default settings, use the no form of this command.

platform hardware vsl pfc mode non-xl

no platform hardware vsl pfc mode non-xl

Syntax Description

This command has no arguments or keywords.

Command Default

The default PFC mode is PFC4CXL.

Command Modes

Global configuration (config)

Command History


Release	Modification
12.2(50)SY	Support for this command was introduced.
12.2(50)SY	Support for this command was introduced.
15.0(1)SY	Support for this command was introduced.

Usage Guidelines

After entering this command, you must perform a system reload before the command takes affect.

If both supervisor engines have PFC4Cs installed, the VSS automatically operates in PFC4C mode, even if there are switching modules equipped with (DFC) 4CXL daughter cards.

If both supervisor engines have PFC4CXLs installed and there is a combination of DFC4C and DFC4CXL switching modules, the system PFC mode is dependant on how the 4C and 4CXL switching modules are distributed between the two chassis.

Each chassis in the VSS determines its system PFC mode. If there is a mismatch between the PFC modes on both chassis, the VSS comes up in RPR mode instead of SSO mode.

Examples

The following example shows how to configure the system to operate in PFC4C mode when you reload:

Router(config)# platform hardware vsl pfc mode non-xl

Router(config)#