HP MSR2000/3000/4000 Router Series Interface Command Reference

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jumboframe enable
Use jumboframe enable to allow jumbo frames within the specified length to pass through.
Use undo jumboframe enable to prevent jumbo frames from passing through.
Syntax
jumboframe enable [ value ]
undo jumboframe enable
Default
The device allows jumbo frames within a specified length to pass through. The length of jumbo frames
that are allowed to pass through varies by interface type.
Views
Layer 2 Ethernet interface view, Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
value: Sets the maximum length of Ethernet frames that are allowed to pass through.
Usage guidelines
If you set the value argument multiple times, the most recent configuration takes effect.
Examples
# Enable jumbo frames to pass through Ethernet 1/1.
<Sysname> system-view
[Sysname] interface ethernet 1/1
[Sysname-Ethernet1/1] jumboframe enable
loopback
Use loopback to perform a loopback test on an Ethernet interface.
Use undo loopback to cancel a loopback test on an Ethernet interface.
Syntax
loopback internal
undo loopback
Views
Ethernet interface view
Predefined user roles
network-admin
Parameters
internal: Performs an internal loopback test on the Ethernet interface.