Addition of Vlan in Spanning-tree in Nexus 7000

Answered Question
Jan 14th, 2010

Hi, I have two Nexus 7000 working as Core-1 and Core2. I have already many VLANS added in spanning-tree. Now I have to add two NEW Vlan 335 & 336.

Which command I have to run so that I should not disturb the current setup? Please help.

Core-1

spanning-tree vlan 64-126,300-301,332,668-670,900,998 priority 8192
spanning-tree vlan 64-126,300-301,332-333,668-670,900,998 hello-time 4

Core-2

spanning-tree vlan 64-126,300-301,332,668-670,900,998 priority 16000
spanning-tree vlan 64-126,300-301,332-333,668-670,900,998 hello-time 4

I have this problem too.
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Correct Answer by Ganesh Hariharan about 6 years 10 months ago

Hi Rupesh,

It will great if you can rate the vlauable comments and resolve this tag so that others can be benifitted.

Regards

Ganesh.H

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Rupesh Kashyap Thu, 01/14/2010 - 02:30

Hopefully if I run, spanning-tree vlan 335,336 priority 8192 command, it will NOT Override my existing configuration  "spanning-tree vlan 64-126,300-301,332,668-670,900,998 priority 8192"

Please confirm

Ganesh Hariharan Thu, 01/14/2010 - 02:37

Hi Rupesh,

It should not if you see you have already configured this switch as root bridge for these specific vlans spanning-tree vlan 64-126,300-301,332,668-670,900,998 priority 8192" and now you want to configure root bridge for vlan 335,336.

So switch will be root bridge for the above two vlan also including the remaing vlans.

Hope that clear your query !!

Regards

Ganesh.H

Correct Answer
Ganesh Hariharan Thu, 01/14/2010 - 02:44

Hi Rupesh,

It will great if you can rate the vlauable comments and resolve this tag so that others can be benifitted.

Regards

Ganesh.H

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