server teaming on Cisco 3750 Stack

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Jul 8th, 2008
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We have 2 Cisco 3750 stacked and we are trying to team 1 HP server on it.


We have observed that since the same MAC is learnt on 2 switch ports, the port is flapping.


What is the way out?


-Sai.

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Collin Clark Wed, 07/09/2008 - 05:28
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Set the NICs to failover versus load balance.


Hope that helps

ralphcarter Wed, 07/09/2008 - 12:40
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I would set up lacp etherchannel between the HP server and the switch stack in a cross-stack configuration. I know HP servers support 802.3ad lacp because I have many of them running in this fashion. Lacp will control the load-balancing and will only allow 1 mac-address to be used in the nic team.

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