Configuring the OSPF Routing Protocol (Layer 3)

3.Use Table 9-4 to complete your OSPF virtual link configuration:

Table 9-4.OSPF Virtual Link Parameters

Parameter

Defines the...

 

 

Router ID

Router ID for the far end of the virtual link.

 

 

Area

Area ID of the area through which the virtual link travels.

 

 

Transit Delay

Estimated number of seconds it takes to transmit a link state

 

update packet over this virtual link.

 

 

Retransmit Interval

Number of seconds between link-state advertisement

 

retransmissions on this virtual link, for adjacencies belonging to

 

this virtual link. This value is also used when retransmitting

 

database description and link-state request packets.

 

 

Hello Interval

Length of time, in seconds, between the Hello packets that the

 

router sends on the virtual link. This value must be the same for

 

all routers attached to a common network.

 

 

Dead Interval

Number of seconds that a router's Hello packets have not been

 

seen before it's neighbors declare the router down. This should

 

be some multiple of the Hello interval. This value must be the

 

same for all routers attached to a common network.

 

 

Authentication

Type of authentication available for use on a given OSPF

 

interface. Authentication types include:

 

• None

 

• Simple Password

 

• MD5 Authentication

 

 

Authentication Key

Area's authentication key.

 

 

MD5 Key ID

MD5 authentication key ID as a decimal value.

 

 

4.Click CREATE to save your changes, or CANCEL to restore previous settings.

Deleting OSPF Virtual Links

To delete an OSPF virtual link:

1.In the OSPF Configuration section of the Web Agent window, click Virtual Links. The OSPF Virtual Links dialog box opens.

2.Select the virtual link to be removed.

3.Click DELETE. The virtual link is removed.

9-6

Cajun P550/P220 Switch Operation Guide