Jon Marshall Thu, 09/09/2010 - 06:19

Mark

Firstly, don't disable STP on the access switches. STP is there in case someone create a loop either accidentally or maliciously and you realy should have it running.

Secondly, your etherchannel between the 4506 switches need to be a trunk. If you make it a trunk then gamma will become root for all vlans and delta will see the etherchannel port as the root port for all vlans.


Etherchannel is the technology and port-channel is the logical interface that is created when configuring etherchannel.

Your thinking is correct as far as configuring the etherchannel to be a trunk link ie. add the commands to the port-channel interface and this will take care of the physical interfaces.

One last thing, when you do this there will be a small outage on your network as STP will need to reconverge so best to make the changes out of hours.

Jon

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