Mtu; Ppp Access-Control Enable - H3C MSR810 Command Reference Manual

This command takes precedence over the mandatory-chap command. If both commands are
configured for an L2TP group, the LNS performs LCP negotiation with the user.
Examples
# Force an LNS to perform LCP negotiation with users.
<Sysname> system-view
[Sysname] l2tp-group 1 mode lns
[Sysname-l2tp1] mandatory-lcp
Related commands
mandatory-chap

mtu

Use mtu to set the MTU size of an interface.
Use undo mtu to restore the default.
Syntax
mtu size
undo mtu
Default
The MTU size of a virtual PPP interface is 1500 bytes.
Views
Virtual PPP interface view
Predefined user roles
network-admin
Parameters
size: Specifies the MTU size in the range of 128 to 1500 bytes.
Usage guidelines
The MTU size of an interface affects the fragmentation and reassembly of IP packets on the
interface.
For the configured MTU size to take effect, you must execute the shutdown command and then
the undo shutdown command on the interface.
Examples
# Set the MTU size of Virtual-PPP 10 to 1400 bytes.
<Sysname> system-view
[Sysname] interface virtual-ppp 10
[Sysname-Virtual-PPP10] mtu 1400

ppp access-control enable

Use ppp access-control enable to enable L2TP-based EAD.
Use undo ppp access-control enable to disable L2TP-based EAD.
Syntax
ppp access-control enable
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