Wednesday, February 24, 2021

Spanning-tree sanity check

Just to make sure i am not going crazy. I'm about to modify some STP priority numbers and i want to ensure there wont be any reconvergence.....

Switch 1 - Core - PVST Root bridge for all vlans - Priority 4096

Switch 2 - Old Core - PVST - Priority 24576

Switch 3 - Access - PVST no specified priority

I plan to run the command "no spanning-tree vlan XX priority 24576" on Switch 2 Old Core. From what i can tell since the root bridge is already living on the new core it shouldnt cause the VLAN to reconverge but the switch itself may have a small disruption for that vlan.

*** This is during a scheduled maintenance window ***

Thoughts?



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