Juniper JUNOSE 10.0.X PHYSICAL LAYER Configuration Manual page 48

For e series routing platforms - physical layer configuration
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JUNOSe 10.0.x Physical Layer Configuration Guide
mru
mtu
serial description
22
Configuration Tasks
Use to set the time interval at which the router calculates bit and packet rate
counters.
You can choose a multiple of 30 seconds, in the range 30–300 seconds.
Example
host1(config-if)#load-interval 90
Use the no version to restore the default value, 300 seconds.
See load-interval.
Use to configure the MRU size for the interface.
Specify a value in the range 4–9996 bytes.
You should coordinate this value with the network administrator on the other
end of the line.
If you configure a different MRU value in higher-level protocols, such as IP, the
router uses the lower value. This can produce unexpected behavior in your
network.
Example
host1(config-if)#mru 1600
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.
You should coordinate this value with the network administrator on the other
end of the line.
If you configure a different MTU value in higher-level protocols, such as IP, the
router uses the lower value. This can produce unexpected behavior in your
network.
Example
host1(config-if)#mtu 1600
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.

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