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STP configuration for VLANs.

Posted on 2004-09-18
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Last Modified: 2006-11-17
When you configure the STP protocol in your switch, are you configuring it for all VLANs simultaenously or just the default VLAN 1?

I asked this question because I saw this:


2924(config)#spanning-tree ?
  forward-time  Set a Spanning Tree FORWARD Interval
  hello-time    Set a Spanning Tree HELLO Interval
  max-age       Set a Spanning Tree MAX AGE Interval
  portfast      Allow a change from blocking to forwarding
  priority      Set a Spanning Tree Priority
  protocol      Spanning tree protocol type
  uplinkfast    Enable UplinkFast Feature
  vlan          VLAN Switch Spanning Trees   <-------------Saw this
  <cr>

2924(config)#spanning-tree

Thanks guys
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Question by:dissolved
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lrmoore earned 500 total points
ID: 12093815
As long as you are in global config, you are making global changes.
If you go into vlan, then the changes are specific to the vlan.

C3550(config)#spanning-tree vlan ?
  WORD  vlan range, example: 1,3-5,7,9-11

C3550(config)#spanning-tree vlan 2 ?
  forward-time  Set the forward delay for the spanning tree
  hello-time    Set the hello interval for the spanning tree
  max-age       Set the max age interval for the spanning tree
  priority      Set the bridge priority for the spanning tree
  root          Configure switch as root
  <cr>

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Expert Comment

by:lrmoore
ID: 12093819
Nothing else to do on a slow Saturday night?
Me neither...
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Author Comment

by:dissolved
ID: 12093858
lol yea, you got it.

Thanks man
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