406 Ethernet Configuration Commands
console(config)#interface range gi1/0/20-48
console(config)#interface range gi1/0/1,gi1/0/48
console(config)#interface range gi2/0/1-10,gi1/0/30
console(config)#interface range gi1/0/1-10,gi1/0/30-48
console(config)#interface range gi1/0/1,te1/1/1
console(config)#interface range gigabitEthernet
1/0/10,tengigabitEthernet1/1/2
mtu
Use the mtu command in Interface Configuration mode to enable jumbo
frames on an interface by adjusting the maximum size of a packet. To return
to the default setting, use the no form of this command.
Syntax
mtu

bytes

no mtu
•

bytes

—

Number of bytes (Range: 1518-9216)
Default Configuration
The default number of bytes is 1518 (1522 bytes of VLAN-tagged frames).
Command Mode
Interface Configuration (Ethernet) mode
User Guidelines
The value set allows an additional four bytes for the VLAN tag. The mtu
command is not supported in Interface Range mode.
Example
The following example of the mtu command increases maximum packet size
to 9216 bytes.
console(config-if-1/0/5)#mtu 9216
2CSPC4.XCT-SWUM2XX1.book Page 406 Monday, October 3, 2011 11:05 AM