Configuring OSPF

Configuring OSPF

* Advanced License Required *

OSPF is an advanced routing feature that must be enabled with a license key. If you have purchased an advanced license key, and have enabled routing on the device, you must activate your license as described in the chapter entitiled “Activating Licensed Features” in order to enable the OSPF command set. If you wish to purchase an advanced routing license, contact Enterasys Networks Sales.

Purpose

To enable and configure the Open Shortest Path First (OSPF) routing protocol.

OSPF Configuration Task List and Commands

Table 20‐2 lists the tasks and commands associated with OSPF configuration. Commands are described in the associated section as shown.

Table 20-2 OSPF Configuration Task List and Commands

To do this...

Use these commands...

 

 

If necessary, activate your advanced routing license.

See the “Activating Licensed Features” chapter.

Enable OSPF configuration mode.

router id” on page 20-12

 

 

 

router ospf” on page 20-13

 

 

Enable or disable RFC 1583 compatibility.

1583compatibility” on page 20-13

 

 

Configure OSPF Interface Parameters.

 

 

 

Enable OSPF on the interface.

ip ospf enable” on page 20-14

 

 

Configure an OSPF area.

ip ospf areaid” on page 20-14

 

 

• Set the cost of sending a packet on an

ip ospf cost” on page 20-15

OSPF interface.

 

 

 

• Set a priority to help determine the OSPF

ip ospf priority” on page 20-15

designated router for the network.

 

 

 

• Adjust timers and message intervals.

timers spf” on page 20-16

 

 

 

ip ospf retransmit-interval on page 20-17

 

 

 

ip ospf transmit-delay on page 20-17

 

 

 

ip ospf hello-interval on page 20-18

 

 

 

ip ospf dead-interval on page 20-18

 

 

• Configure OSPF authentication.

ip ospf authentication-key on page 20-19

 

 

 

ip ospf message digest key md5” on page 20-20

 

 

Configure OSPF Areas.

 

 

 

• Configure an administrative distance.

distance ospf” on page 20-20

 

 

• Define the range of addresses to be used

area range” on page 20-21

by Area Boundary Routers (ABRs).

 

 

 

SecureStack C3 Configuration Guide 20-11

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Enterasys Networks 9034313-07 manual Configuring Ospf, Ospf Configuration Task List and Commands, Advanced License Required