Cisco 2970 - Catalyst Switch Manuel d'utilisateur télécharger pdf (Page 14)

Cisco Catalyst 3750 and 2970 Switches: Using Switches with a PS Series Group

Once the switch reloads, you can verify your settings by entering the

show system mtu

privileged EXEC command. For example:

Switch> enable

Switch# configure t

Switch(config)# show system mtu

Switch(config)# exit

The commands shown next are used to enable an individual VLAN to use Jumbo Frames. Note

that you cannot enable Jumbo Frames on VLAN 1 on the 3750 or 2970 switch, so you must start

with VLAN 2.

Switch# vlan database

Switch(vlan)# vlan 2 mtu 9000

Switch(vlan)# exit

The following commands configure Gigabit Ethernet interface 0/7 on switch 1 into VLAN 2:

Switch# config t

Switch(config)# int gigabitethernet 1/0/7

Switch(config-if)# switchport access vlan 2

Switch(config-if)# exit

Switch(config)# exit

Switch# copy running-config startup-config

To view or confirm MTU size on a port, use the following command.

Switch# show interface gi 1/0/7

For more information on configuring Jumbo Frames or Giant Frames on Catalyst switches, see:

http://www.cisco.com/en/US/products/hw/switches/ps700/products_configuration_example09186a

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Cisco 2970 - Catalyst Switch Manuel d'utilisateur Page 14