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Addition of Vlan in Spanning-tree in Nexus 7000

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Rupesh Kashyap
Level 1
Level 1

‎01-14-2010 01:44 AM - edited ‎03-04-2019 07:12 AM

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

4 people had this problem
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Ganesh Hariharan
VIP Alumni
VIP Alumni
In response to Rupesh Kashyap

‎01-14-2010 02:44 AM

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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6 Replies 6

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aditya5846
Level 1
Level 1

‎01-14-2010 02:23 AM

spanning-tree vlan vlan-list priority bridge-priority

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Ganesh Hariharan
VIP Alumni
VIP Alumni

‎01-14-2010 02:24 AM

Hi Rupesh,

You can use  the spanning-tree vlan vlan-range root primary command to configure a predictable STP root bridge for that particular vlan and check out the below link hope this helps out your query !!

http://docwiki.cisco.com/wiki/Cisco_Nexus_7000_Series_NX-OS_Troubleshooting_Guide,_Release_4.x_--_Troubleshooting_STP

Regards

Ganesh.H

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Rupesh Kashyap
Level 1
Level 1
In response to Ganesh Hariharan

‎01-14-2010 02:30 AM

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

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Ganesh Hariharan
VIP Alumni
VIP Alumni
In response to Rupesh Kashyap

‎01-14-2010 02:37 AM

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

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Rupesh Kashyap
Level 1
Level 1
In response to Ganesh Hariharan

‎01-14-2010 02:41 AM

thanks sir,

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Ganesh Hariharan
VIP Alumni
VIP Alumni
In response to Rupesh Kashyap

‎01-14-2010 02:44 AM

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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