R3303-HP 6600/HSR6600 Routers Layer 2 - WAN Command Reference Guide

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Usage guidelines
To remove a VT, make sure that all the corresponding VA interfaces are removed and the VT is not in use.
Examples
# Create VT 10 interface.
<Sysname> system-view
[Sysname] interface virtual-template 10
[Sysname-Virtual-Template10]
mtu
Use mtu to set the MTU size of the interface.
Use undo mtu to restore the default.
Syntax
mtu size
undo mtu
Default
The MTU of an interface is 1500 bytes.
Views
Virtual-template interface view, MP-group interface view
Default command level
2: System level
Parameters
size: MTU in bytes, in the range of 128 to 2000.
Examples
# Set the MTU of VT 10 to 1200 bytes.
<Sysname> system-view
[Sysname] interface virtual-template 10
[Sysname-Virtual-Template10] mtu 1200
# Set the MTU of MP group 1 to 1200 bytes.
<Sysname> system-view
[Sysname] interface mp-group 1
[Sysname-Mp-group1] mtu 1200
ppp mp
Use ppp mp to configure an interface encapsulated with PPP to operate in MP mode.
Use undo ppp mp to restore the default.
Syntax
ppp mp
undo ppp mp