MTU size& jumbo frame support for specific VLAN - C6500 and bladeswitch3120

Unanswered Question
Jul 9th, 2009


We have a C6500E with WS-X6704-10GE cards and XENPAK-10GB-LR+ modules.

This coreswitch is connected to an EMC Solera SAN, via a catalyst 3750E switch.

On the other end, the 6500 is connected to HP bladecenters via CBS3125X-S bladeswitches.

For iSCSI, we would like to enable the support for jumbo frames, going from the SAN, over the 3750, over the 6500, over the 3125, to the HP servers.

Is it sufficient that we configure the MTU size for the VLAN used for iSCSI to 9000? Or are there other things we have to keep in mind?

Thanks very much

I have this problem too.
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