Ether channel

Unanswered Question
Mar 20th, 2008

Hi,

I have 2 Layer 3 Cisco 3560G switches,I have cascaded these two.

Now I have 30 bladed servers in Server VLAN,in that is it necessary to configure the Server VLAN in both 3560G switches.

Then there is a SUN NAS server,which has 2 GBIC NIC card,they have configured the BONDING,means bundling 2 gbic like,in that case we have to also configure the 2 switch port into single 2gbic unidirectional or 2GB bidirectional .Means basically we have to bundle 2 GIBIC port into single 2GBIC unidirectional or 4 GBIC bidirectional,we did fast etherchannel ,but it is not happening,Please clarify why it is not doing?How to do a BONDING in the Cisco switch.

Please help me to resolve the issue.

Thnaks and Regards,

S.venkataraman.

I have this problem too.
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Edison Ortiz Thu, 03/20/2008 - 10:42

Etherchanneling is only supported when sourcing from the same switch towards the same destination.

You can't have etherchanneling configured among 2 switches with the 3560G model. You could accomplish this task with the 3750G model which provides cross-stack features.

Posting your current config will help troubleshooting your case a lot better.

HTH,

__

Edison.

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