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mtu
serial description
Configuration Examples
Copyright © 2010, Juniper Networks, Inc.
Use to configure the MRU size for the interface.
Specify a value in the range 4–9996 bytes.
Coordinate this value with the network administrator on the other end of the line.
If you set this parameter to a different value for another protocol, such as IP, the router
uses the lower value. This could produce unexpected behavior in your network.
Example
host1(config-if)#mru 1500
Use the no version to restore the default, 1600 bytes.
See mru.
Use to configure the MTU size for the interface.
Specify a value in the range 4–9996 bytes.
Coordinate this value with the network administrator on the other end of the line.
If you set this parameter to a different value for another protocol, such as IP, the router
uses the lower value. This could produce unexpected behavior in your network.
Example
host1(config-if)#mtu 1500
Use the no version to restore the default, 1600 bytes.
See mtu.
Use to assign a text description or an alias to a serial HDLC interface.
You can use this command to help you identify the interface and keep track of interface
connections.
The description or alias can be a maximum of 80 characters.
Use the show interfaces serial command to display the text description.
Example
host1(config-if)#serial description boston09 hdlc channel
Use the no version to remove the text description or alias.
See serial description.
To configure a T3 interface, start at the Global Configuration mode, and issue the following
commands:
host1(config)#controller t3 0/1
Chapter 2: Configuring T3 and E3 Interfaces
59
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