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Connectivity Issues with HP BL460c Blade Center

Hi all,

I have an HP BL460c blade center connecting to a 6509 via two separate LACP etherchannel groups, each group with two 1GB links to a 48-port module in the 6509. I am experiencing connectivity issue with the blade server trying to talk to other non-blade server on the same VLAN, connecting to the same 48-port module in the 6509. From the blade server I can not ping some of the servers (not all) that are connected on the same VLAN, on the same 48-port module in the 6509 but I can ping any other servers on the same or different VLAN that are connected to different  48-port module.

Has anyone run into this scenario with blade server and 6509 connecting via LACP etherchannel ?

Thanks in advance for any inputs/suggestions !!!