Is configurable per interface basis at the high end switches (64K, Nex) in the case that you need it per interface and you have a distribution level with one of those models.
Greets. On Wed, Jul 28, 2010 at 5:20 AM, <[email protected]> wrote: > > Hi, > we got one VLAN on a Cat3750 on that we want enable jumbo frame support. I > found this information on the Cisco website: > > > ############################################################################################################### > Catalyst 3750/3560 Series > > Catalyst 3750/3560 Series switches support an MTU of 1998 bytes for all > 10/100 interfaces. All Gigabit Ethernet interfaces support jumbo frames up > to 9000 bytes. The default MTU and jumbo frame size is 1500 bytes. You > cannot change the MTU on an individual interface. You must set the MTU > globally. Reset the switch afterwards for the MTU change to take effect. > Configure > > Use the system mtu command to change the MTU for all 10/100 interfaces. > This command only effects 10/100 interfaces. > > 3750(config)# system mtu 1546 > 3750(config)# exit > 3750# reload > > Use the system mtu jumbo command to change the MTU for all Gigabit Ethernet > interfaces. This command only effects Gigabit Ethernet Interfaces. > > 3750(config)# system mtu jumbo 9000 > 3750(config)# exit > 3750# reload > > Note: Gigabit Ethernet ports are not affected by the system mtu command; > 10/100 ports are not affected by the system mtu jumbo command. If you do not > configure the system mtu jumbo command, the setting of the system mtu > command applies to all Gigabit Ethernet interfaces. > > > ############################################################################################################### > > We got one VLAN which we will be using as out NFS/SAN VLAN. For my > understanding, we could only enable jumbo frame support global, not for an > specific interface. Am I right? Thanks for your help. > > Cheers > Simon > > CCIE #26323 (Sec) > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com >
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