EtherChannel Trunk

Unanswered Question
Mar 24th, 2008
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I have two cisco 4507 one will be act as server and one will be client in VTP domain.

I want to configure 3/47 and 3/48 member of etherchannel group 1 in switch 1 and same ports on switch 2 will also add in etherchannel group 1 of switch 2.

interface Port-channel1


switchport trunk encapsulation dot1q

switchport mode trunk

interface GigabitEthernet3/47

channel-group 1 mode on


interface GigabitEthernet3/48

channel-group 1 mode on

Now I want to know this is valid configuration for trunk and etherchannel or not. I have configure the trunk only on port-channel interface not on individual interface that are member of Channel group.

Kindly tell do i need to configure interface that are member of ether channel as trunk individually or channel group configure will automatically apply on them and configure it trunk.

Waiting for reply. Do let me know will that work or not.

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Istvan_Rabai Mon, 03/24/2008 - 05:03
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Hi Wasim,

According to my experience this should work only when you set the channel member ports to "switchport" beforehand.




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