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H3C Technologies H3C SR8800 User Manual

Page 101

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Step Command

Remarks

6.

Enter OSPF view.

ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *

N/A

7.

Specify a neighbor and its
router priority.

peer ip-address [ cost value |
dr-priority dr-priority ]

N/A

NOTE:

The router priority configured with the ospf dr-priority command and the one configured with the peer
command have the following differences.

The former is for actual DR election.

The latter is to indicate whether a neighbor has the election right or not. If you configure the router
priority for a neighbor as 0, the local router will assume the neighbor has no election right, and thus
send no hello packets to this neighbor. However, if the local router is the DR or BDR, it still sends hello

packets to the neighbor with priority 0 for adjacency establishment.

Configuring the OSPF network type for an interface as P2MP

To configure the OSPF network type for an interface as P2MP:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter interface view.

interface interface-type
interface-number

N/A

3.

Configure the OSPF network

type for the interface as

P2MP.

ospf network-type p2mp [ unicast ]

By default, the network type of an
interface depends on the link layer
protocol.
After you configure the OSPF
network type for an interface as

P2MP unicast, all packets are unicast

over the interface. The interface
cannot broadcast hello packets to

discover neighbors. In that case, you

need to manually specify the
neighbors.

4.

Exit to system view.

quit

N/A

5.

Enter OSPF view.

ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *

N/A

6.

Specify a neighbor and its

router priority on a P2MP
unicast network.

peer ip-address [ cost value |
dr-priority dr-priority ]

Required if the interface type is
P2MP unicast.

Configuring the OSPF network type for an interface as P2P

To configure the OSPF network type for an interface as P2P: