Search for root bridge

[colella (giovanni c)]

Goodmorning everyone
what practical advice to find the root bridge on a network with about 290 switches ?

[lagapidis (Lazarus Agapidis)]

Hello Giovanni

Take a look at this response here:

Spanning-Tree Root Bridge Configuration

Hello Giovanni In order to find the root bridge, you can issue the show spanning-tree command, and this will show you the root bridge for each VLAN configured on the switch. You’ll get something like this: SW2#show spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 24586 Address 5254.001a.935a Cost 4 Port 1 (GigabitEthernet0/0) Hello Time 2 sec Max Age 20 sec Forward Delay 15 …

I hope this has been helpful!

Laz