C613-50105-01 REV C Command Reference for x210 Series 325
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
INTERFACE COMMANDS
MRU
mru
Overview Use this command to set the Maximum Receive Unit (MRU) size for switch ports,
where MRU is the maximum frame size (excluding headers) that switch ports can
receive. For more information, see the Switching Feature Overview and
Configuration Guide.
Use the no variant of this command to remove a previously specified Maximum
Receive Unit (MRU) size for switch ports, and restore the default MRU size (1500
bytes) for switch ports.
NOTE: The figure of 1500 bytes specifies the payload only. For an IEEE 802.1q frame,
provision is made (internally) for the following additional components:
• Source and Destination addresses
• EtherType field
• Priority and VLAN tag fields
•FCS
These additional components increase the frame size internally to 1522 bytes.
Syntax
mru <mru-size>
no mru
Default The default MRU size is 1500 bytes for switch ports.
Mode Interface Configuration for switch ports.
Usage Note that show interface output will only show MRU size for switch ports.
Examples To configure an MRU of 16357 bytes on port1.0.2, use the commands:
awplus# configure terminal
awplus(config)# interface port1.0.2
awplus(config-if)# mru 16357
To configure an MRU of 1500 bytes on port1.0.2 to port1.0.4, use the commands:
awplus# configure terminal
awplus(config)# interface port1.0.2-port1.0.4
awplus(config-if)# mru 1500
Parameter Description
<mru-size> <68-16357>
Specifies the Maximum Receive Unit (MRU) size in bytes, where 1500
bytes is the default Ethernet MRU size for an interface.
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