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• For ATM, FR, and X.25, the default network type is NBMA.
• For PPP, LAPB, HDLC, and POS, the default network type is P2P.
If a router on a broadcast network does not support multicast, you can configure the interface’s network
type as NBMA.
If any two routers on an NBMA network are directly connected via a virtual link—the network is fully
meshed, you can configure the network type as NBMA; otherwise, you need to configure it as P2MP for
two routers having no direct link to exchange routing information via another router.
When the network type of an interface is NBMA or P2MP unicast, you need to use the peer command
to specify a neighbor.
If only two routers run OSPF on a network segment, you can configure associated interfaces’ network
type as P2P.
When the network type of an interface is P2MP unicast, all OSPF packets are sent out the interface
through unicast.
Related commands: ospf dr-priority.
Examples
# Configure an interface’s OSPF network type as NBMA.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] ospf network-type nbma
ospf packet-process prioritized-treatment
Syntax
ospf packet-process prioritized-treatment
undo ospf packet-process prioritized-treatment
View
System view
Default level
2: System level
Parameters
None
Description
Use ospf packet-process prioritized-treatment to enable OSPF to give priority to receiving and
processing Hello packets.
Use undo ospf packet-process prioritized-treatment to restore the default.
By default, this function is not enabled.
Examples
# Enable OSPF to give priority to receiving and processing Hello packets.
<Sysname> system-view
[Sysname] ospf packet-process prioritized-treatment
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