Chapter 28 OSPF

Table 88 OSPF Configuration: Area Setup (continued)

LABEL

DESCRIPTION

Stub Network

Select this option to set the area as a stub area.

 

If you enter 0.0.0.0 in the Area ID field, the settings in the Stub Area fields are

 

ignored.

 

 

No Summary

Select this option to set the Switch to not send/receive LSAs.

 

 

Default Route

Specify a cost (between 0 and 16777214) used to add a default route into a stub area

Cost

for routes which are external to an OSPF domain. If you do not set a route cost, no

 

default route is added.

 

 

Add

Click Add to save your changes to the Switch’s run-time memory. The Switch loses

 

these changes if it is turned off or loses power, so use the Save link on the top

 

navigation panel to save your changes to the non-volatile memory when you are done

 

configuring.

 

 

Cancel

Click Cancel to start configuring the above fields again.

 

 

Clear

Click Clear to set the above fields back to the factory defaults.

 

 

28.4.1 View OSPF Area Information Table

The bottom of the OSPF Configuration screen displays a summary table of all the OSPF areas you have configured.

Figure 123 OSPF Configuration: Summary Table

The following table describes the related labels in this screen.

Table 89 OSPF Configuration: Summary Table

LABEL

DESCRIPTION

Index

This field displays the index number of an area.

 

 

Name

This field displays the descriptive name of an area.

 

 

Area ID

This field displays the area ID (that uses the format of an IP address in dotted decimal

 

notation) that uniquely identifies an area.

 

An area ID of 0.0.0.0 indicates the backbone.

 

 

Authentication

This field displays the authentication method used (None, Simple or MD5).

 

 

Stub Network

This field displays whether an area is a stub network (Yes) or not (No).

 

 

Delete

Click Delete to remove the selected entry from the summary table.

 

 

Cancel

Click Cancel to clear the Delete check boxes.

 

 

28.5 Configuring OSPF Interfaces

To configure an OSPF interface, first create an IP routing domain in the IP Setup screen (see Section 7.6 on page 83 for more information). Once you create an IP routing domain, an OSPF interface entry is automatically created. See Section 28.1 on page 229 for more information on OSPF.

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GS-4012F/4024 User’s Guide