
GS-4012F/4024 User’s Guide
178 Chapter 25 OSPF
25.6 OSPF Virtual-Links
Configure and view virtual link settings in this screen. See Section 25.1 on page 169 for more
information on OSPF.
In the OSPF Configuration screen, click Virtual-Link to display the screen as shown next.
Key ID When you select MD5 in the Authentication field, specify the identification number of
the authentication you want to use.
Key When you select Simple in the Authentication field, enter a password eight-character
long. Characters after the eighth character will be ignored.
When you select MD5 in the Authentication field, enter a password 16-character long.
Cost The interface cost is used for calculating the routing table. Enter a number between 0
and 65535. The default interface cost is 15.
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 65 OSPF Interface (continued)
LABEL DESCRIPTION
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