[c-nsp] mtu issues on 3750

[A.L.M.Buxey at lboro.ac.uk]

Hi,

> 3750 switches are said to support mtu > 1500 (1500-9000) on all GE ports 
> according to this:
> 
> http://www.cisco.com/en/US/products/hw/switches/ps700/products_configuration_example09186a008010edab.shtml#c3
> 
> 3750#sh system mtu
> 
> System MTU size is 1500 bytes
> System Jumbo MTU size is 1600 bytes

have you actually SET the MTU to be higher? 

alan