Etherchannel between 5500 and L2 6500Q

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Mar 26th, 2008
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I am replacing out a pair of 5500s with 6509s one-at-a-time. Once the first 6509 is replaced, it will be trunked via FEC (FastEtherchannel) to the 5500 until that 5500 can be replaced. I want to verify that my the FEC I plan to use will, in fact, work. I plan on creating a PO1 on the 6509 ( w/ channel-group 1 mode desirable on each gig interface: 1/47, 1/48, 2/47, 2/48) and using 4-port etherchannel (1/47-48, 2/47-48). On the 5500, I plan on using 8/23-24, 9/23-24 and have the following in place:


set port channel 8/23-24 mode on

set port channel 8/23-24 mode desirable

set port channel 9/23-24 mode on

set port channel 9/23-24 mode desirable


I am wondering if I need to change the 5500 end to, perhaps, either 8/21-24 or 9/21-24, as the 6500 end has a 4-port etherchannel.


Any input would be greatly appreciated.


Thanks!

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htarra Tue, 04/01/2008 - 06:19
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Configuring an Etherchannel Use the command "channel-group 1 mode on" on every port you want to be placed into the Etherchannel. Fro example

SW1(config)#interface fast 0/11

SW1(config-if)#channel-group 1 mode on

Creating a port-channel interface Port-channel 1


SW1(config-if)#interface fast 0/12

SW1(config-if)#channel-group 1 mode on

Same for SW2 also "port-channel1". This is the logical interface created when an Etherchannel is built.

Refer the below link, which will be helpful in your configuration and it contains Catalyst 6500 Switch

http://www.cisco.com/en/US/tech/tk389/tk213/technologies_configuration_example09186a0080094953.shtml#showoutput

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