3Com MSR 50, MSR 30 manual Ospf mtu-enable, Ospf network-type

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	<Sysname> system-view
	[Sysname] ospf mib-binding 100
	# Restore the default, that is, bind the first enabled OSPF process to MIB operation
	<Sysname> system-view
	[Sysname] undo ospf mib-binding
ospf mtu-enable
Syntax	ospf mtu-enable
	undo ospf mtu-enable
View	Interface view
Parameters	None
Description	Use the ospf mtu-enablecommand to enable an interface to add the real MTU
	into DD packets.
	Use the undo ospf mtu-enablecommand to restore the default.
	By default, an interface adds an MTU value of 0 into DD packets, that is, no real
	MTU is added.
	Note that:
	■ After a virtual link is established via a Virtual-Template or Tunnel, two devices
	on the link from different vendors may have different MTU values. To make
	them consistent, set the attached interface’s default MTU to 0.
	■ This configuration is not supported on the NULL interface.
Examples	# Enable the interface to add the real MTU value into DD packets.
	<Sysname> system-view
	[Sysname] interface ethernet 1/0
	[Sysname-Ethernet1/0] ospf mtu-enable
ospf network-type
Syntax	ospf network-type { broadcast nbma p2mp p2p }
	undo ospf network-type
View	Interface view
Parameters	broadcast: Specifies the network type as Broadcast.
	nbma: Specifies the network type as NBMA.