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How to configure LACP trunk between Cisco and ExtremeNetworks switches

without comments

Once you know its really simple the key is ensuring that the extreme end is using “dyanmic” sharing which enables LACP.

The following example configures a LACP trunk of 2 ports between an Cisco 6500 port 8/10, 8/11 and Extreme 400-48t ports 1, 2

Cisco Config

interface Port-channel1
 switchport
 switchport trunk encapsulation dot1q
 switchport mode trunk
 
interface GigabitEthernet8/11
 switchport
 switchport trunk encapsulation dot1q
 switchport mode trunk
 channel-group 1 mode active
 
interface GigabitEthernet8/11
 switchport
 switchport trunk encapsulation dot1q
 switchport mode trunk
 channel-group 1 mode active

Extreme Config

enable sharing 1 grouping 1,2 dynamic

You can then use “sh ports 1 sharing” to check the Extreme end and “sh etherchannel 1 summary” to check the cisco end

Written by Dilbert

October 20th, 2011 at 1:21 pm

Posted in Networking

Tagged with , ,