Configuration Etherchannel and spanning-Tree

Unanswered Question
Nov 13th, 2008

Dear All Expert,

I would like to ask you that i want to configure etherchannel switch to switch(Cisco 3550 to 3550) and spanning-Tree for Access switch.

please see in the attach file as below.

Please help to show sample configuration...

Best Regards,

Join

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Giuseppe Larosa Thu, 11/13/2008 - 23:38

Hello Join,

I suppose you are doing a port-channel of G0/1 and G0/2.

int gi0/1

switchport

switchport trunk encapsulation dot1q

switchport mode trunk

channel-group 1 mode on

!

int gi0/2

switchport

switchport trunk encapsulation dot1q

switchport mode trunk

channel-group 1 mode on

!

interface Port-channel1

switchport

switchport trunk encapsulation dot1q

switchport mode trunk

do this on both switches

for making first c3550 root bridge for all vlans

spanning-tree root primary

on second

spanning-tree root secondary

Hope to help

Giuseppe

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