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Sunday, February 27, 2011

Ether-Channelling between 6509 switches-do we need to shutdown the interface and check any other parameters.

We are unable to setup layer 2 ether channelling between 6509 switches.

Please confirm if the following commands are correct!

6509-cs1 ---------------------- 13/14-------------------------3/1-------6509-cs2

- ------------------------13/15-------------------------3/2-------

Creating port-cahnnel interface on two switches

interface port-channel 125

switch port

switch port trunk encapsulation dot1q

no ip add

assigning interface to port-channel on switch 1

Interface gi 13/14

switch port

switch port trun enc dot1q

no ip add

channel-group 125 mode on

!

Interface gi 13/15

switch port

switch port trun enc dot1q

no ip add

channel-group 125 mode on

assigning interface to port-channel on switch 2

Interface gi 3/1

switch port

switch port trun enc dot1q

no ip add

channel-group 125 mode on

!

Interface gi 3/2

switch port

switch port trun enc dot1q

no ip add

channel-group 125 mode on

While enabling these setup do we need to shutdown the interface and check any other parameters.

Tips:

Please see the below sample config from best practices.

ETHER CHANNEL CONFIG:
interface Port-channel125
switchport
switchport trunk encapsulation dot1q
switchport trunk native vlan xx
switchport mode trunk
ASSIGN PORT:
interface GigabitEthernet13/15
description xxxxxxxxxx

switchport trunk encapsulation dot1q
switchport trunk native vlan xx
switchport mode trunk
channel-group 1 mode on
You need to give "no shut" after you assign some port.

By default native vlan is 1.You only need to add the native vlan command, if you change it from default.

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