Enabling Ospf On A Network; Enabling Ospf On An Interface - HP 5500 EI series Configuration Manual

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If you specify a router ID when you create an OSPF process, any two routers in an AS must have
different router IDs. A common practice is to specify the IP address of an interface as the router ID.
If you specify no router ID when you create the OSPF process, the global router ID is used. HP
recommends specifying a router ID when you create the OSPF process.
OSPF supports multiple processes and VPNs:
To run multiple OSPF processes, you must specify an ID for each process. The process IDs take effect
locally and has no influence on packet exchange between routers. Two routers with different
process IDs can exchange packets.
You can configure an OSPF process to run in a specified VPN instance. For more information about
VPN, see MPLS Configuration Guide.

Enabling OSPF on a network

Step
1.
Enter system view.
2.
(Optional.) Configure a
global router ID.
3.
Enable an OSPF process
and enter OSPF view.
4.
(Optional.) Configure a
description for the OSPF
process.
5.
Create an OSPF area and
enter OSPF area view.
6.
(Optional.) Configure a
description for the area.
7.
Specify a network to enable
the interface attached to the
network to run the OSPF
process in the area.

Enabling OSPF on an interface

Step
1.
Enter system view.
Command
system-view
router id router-id
ospf [ process-id | router-id
router-id | vpn-instance
vpn-instance-name ] *
description description
area area-id
description description
network ip-address
wildcard-mask
Command
system-view
67
Remarks
N/A
By default, no global router ID is configured.
If no global router ID is configured, the
highest loopback interface IP address, if
any, is used as the router ID. If no loopback
interface IP address is available, the highest
physical interface IP address is used,
regardless of the interface status (up or
down).
By default, OSPF is disabled.
By default, no description is configured for
the OSPF process.
HP recommends configuring a description
for each OSPF process.
By default, no OSPF area is created.
By default, no description is configured for
the area.
HP recommends configuring a description
for each OSPF area.
By default, no network is specified.
A network can be added to only one area.
Remarks
N/A

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