Basic Ospf Configuration; Configuration Prerequisites - H3C S5600 SERIES Operation Manual

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Basic OSPF Configuration

Before you can configure other OSPF features, you must first enable OSPF and specify the interface

and area ID.

Before configuring OSPF, perform the following tasks:

Configuring the link layer protocol

Configuring the network layer addresses of interfaces so that the adjacent nodes are reachable to

each other at the network layer

Basic OSPF Configuration

Basic OSPF configuration includes:

Configuring router ID

To ensure stable OSPF operation, you should determine the division of router IDs and manually

configure them when implementing network planning. When you configure router IDs manually, make

sure each router ID is uniquely used by one router in the AS. A common practice is to set the IP address

of an interface on the router to the router ID.

Enabling OSPF

The switches support multiple OSPF processes. To enable multiple OSPF processes on a router, you

need to specify different process IDs. OSPF process ID is only locally significant; it does not affect the

packet exchange between an OSPF process and other routers. Therefore, packets can be exchanged

between routers with different OSPF processes IDs.

Configuring an area and the network segments in the area. You need to plan areas in an AS before

performing the corresponding configurations on each router.

When configuring the routers in the same area, please note that most configurations should be

uniformly made based on the area. Wrong configuration may disable information transmission between

neighboring routers and even lead to congestion or self-loop of routing information.

Follow these steps to perform basic OSPF configurations:

Configuring the LSA transmission delay

Configuring the SPF Calculation Interval

Disabling OSPF Packet Transmission on an

Configuring OSPF Authentication

Configuring the MTU Field in DD Packets

Enabling OSPF Logging of Neighbor State

Configuring OSPF Network Management

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