6 ospf virtual-links, Figure 125 ospf virtual link – ZyXEL Communications GS-4012 User Manual

Page 238

Advertising
background image

Chapter 28 OSPF

GS-4012F/4024 User’s Guide

238

28.6 OSPF Virtual-Links

Configure and view virtual link settings in this screen. See

Section 28.1 on page 229

for more

information on OSPF.
In the OSPF Configuration screen, click Virtual-Link to display the screen as shown next.

Figure 125 OSPF Virtual Link

Priority

The priority you assign to the interface is used in router elections to decide which

router is going to be the Designated Router (DR) or the Backup Designated Router

(BDR). You can assign a number between 0 and 255. A priority of 0 means that the

router will not participate in router elections.

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.

Index

This field displays the index number for an interface.

Network

This field displays the IP interface information.

Area ID

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

notation) of an area to associate the interface to that area.

Authentication This field displays the authentication method used (Same-as-Area, None, Simple or

MD5).

Key ID

When the Authentication field displays MD5, this field displays the identification

number of the key used.

Cost

This field displays the interface cost used for calculating the routing table.

Priority

This field displays the priority for this OSPF interface.

Delete

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

Cancel

Click Cancel to start configuring the above fields again.

Table 90 OSPF Interface (continued)

LABEL

DESCRIPTION

Advertising