Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 3 OSPF Configuration Commands
3Com Corporation
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3.1.40 ospf mtu-enable
Syntax
ospf mtu-enable
undo ospf mtu-enable
View
Interface view
Parameter
None
Description
Use the ospf mtu-enable command to enable the interface to write MTU value when
sending DD packets.
Use the undo ospf mtu-enable command to restore the default settings.
By default, the MTU value is 0 when sending DD packets, i.e. the actual MTU value of
the interface is not written.
Database Description Packets (DD packets) are used to describe its own LSDB when
the router running OSPF protocol is synchronizing the database.
The default MTU value of DD packet is 0. With this command, the specified interface
can be set manually to write the MTU value area in DD packets when sending DD
packets, i.e. the actual MTU value of the interface is written in.
Example
# Set interface Ethernet1/0/0 to write MTU value area when sending DD packets.
[3Com ] interface Ethernet1/0/0
[3Com -Ethernet1/0/0] ospf mtu-enable
3.1.41 ospf network-type
Syntax
ospf network-type { broadcast | nbma | p2mp | p2p }
undo ospf network-type
View
Interface view
Parameter
broadcast: Changes the interface network type to broadcast.