Etherchannel and Spanning tree

Unanswered Question
Nov 23rd, 2009

I am using bundling 4 switchport to connect a 4507 to a 3750 for layer2 connectivity.

int g1/0/1 - 4

switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode on

Should I configure spanning-tree on these ports or the port-channel interface?

If so, what spanning-tree should I use?

Thanks

I have this problem too.
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Giuseppe Larosa Mon, 11/23/2009 - 09:45

Hello Thom,

STP handles a bundle as a single link so if you need to tune STP configuration you can do it in port-channel interface mode

you don't need to change STP mode only for this reason.

Hope to help

Giuseppe

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