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2012-02-07 20:42:37

在分布层交换机上的迁移配置与汇聚层交换机上的迁移配置一样,也是把生成树模式迁移到Rapid-PVST+模式,然后禁止Rapid_PVST+不支持的BackboneFast特性即可。具体如下(在迁移过程中交换机上的三层VLAN接口将先关闭,然后打开,以实现收敛):

Distribution 1(config)#spanning-tree mode rapid-pvst

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to

 up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan200, changed state to

 up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to

down

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

down

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

up

 

Distribution 1(config)#no spanning-tree backbonefast

 

Distribution 2(config)#spanning-tree mode rapid-pvst

 

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to

own

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to

p

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to

up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state t

 up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan200, changed state t

 up

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

down

2d02h: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to

up

Distribution 2(config)#no spanning-tree backbonefast

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