Chapter 10 Routing
USG20(W)-VPN Series User’s Guide
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OSPF Configuration
Follow these steps when you configure OSPF on the USG.
1 Enable OSPF.
2 Set up the OSPF areas.
3 Configure the appropriate interfaces. See Section 9.3.1 on page 149.
4 Set up virtual links, as needed.
10.7.1 Configuring the OSPF Screen
Use the first OSPF screen to specify the OSPF router the USG uses in the OSPF AS and maintain the
policies for redistribution. In addition, it provides a summary of OSPF areas, allows you to remove
them, and opens the OSPF Add/Edit screen to add or edit them.
Click Configuration > Network > Routing > OSPF to open the following screen.
Figure 161 Configuration > Network > Routing > OSPF
The following table describes the labels in this screen. See Section 10.7.2 on page 245 for more
information as well.
Table 98 Configuration > Network > Routing Protocol > OSPF
LABEL DESCRIPTION
OSPF Router ID Select the 32-bit ID the USG uses in the OSPF AS.
Default - the first available interface IP address is the USG’s ID.
User Defined - enter the ID (in IP address format) in the field that appears when
you select User Define.
Redistribute
Active RIP Select this to advertise routes that were learned from RIP. The USG advertises
routes learned from RIP to Normal and NSSA areas but not to Stub areas.
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