ZyXEL Communications ZYWALL USG 20 Manual page 320

Chapter 14 Routing Protocols
Click Configuration > Network > Routing > OSPF to open the following
screen.
Figure 194 Configuration > Network > Routing > OSPF
The following table describes the labels in this screen. See
322 for more information as well.
Table 86 Configuration > Network > Routing Protocol > OSPF
LABEL
OSPF Router ID
Redistribute
Active RIP
Type
Metric
Active Static
Route
320
DESCRIPTION
Select the 32-bit ID the ZyWALL uses in the OSPF AS.
Default - the highest available IP address assigned to the interfaces
is the ZyWALL's ID.
User Defined - enter the ID (in IP address format) in the field that
appears when you select User Defined.
Select this to advertise routes that were learned from RIP. The
ZyWALL advertises routes learned from RIP to Normal and NSSA
areas but not to Stub areas.
Select how OSPF calculates the cost associated with routing
information from RIP. Choices are: Type 1 and Type 2.
Type 1 - cost = OSPF AS cost + external cost (Metric)
Type 2 - cost = external cost (Metric); the OSPF AS cost is ignored.
Type the external cost for routes provided by RIP. The metric
represents the "cost" of transmission for routing purposes. The way
this is used depends on the Type field. This value is usually the
average cost in the OSPF AS, and it can be between 1 and 16777214.
Select this to advertise routes that were learned from static routes.
The ZyWALL advertises routes learned from static routes to all types
of areas.
Section 14.3.2 on page
ZyWALL USG 20/20W User's Guide