ZyXEL Communications 100 Series User Manual

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 Chapter 13 Routing Protocols
ZyWALL USG 100/200 Series User’s Guide
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The following table describes the labels in this screen. See 
 for 
more information as well.  
13.3.2  OSPF Area Add/Edit Screen 
The OSPF Area Add/Edit screen allows you to create a new area or edit an existing one. To 
access this screen, go to the OSPF summary screen (see 
), and click 
either the Add icon or an Edit icon.
Table 96   Network > Routing Protocol > OSPF
LABEL
DESCRIPTION
OSPF Router ID
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 Define - enter the ID (in IP address format) in the field that appears when 
you select User Define.
Redistribute
Active
Select this check box to advertise routes that were learned from the indicated 
source.
If you select this for RIP, the ZyWALL advertises routes learned from RIP to 
Normal and NSSA areas but not to Stub areas.
If you select this for static routes, the ZyWALL advertises routes learned from 
static routes to all types of areas.
Route
This field displays other sources of routing information that the ZyWALL can 
advertise in the OSPF AS.
Type
Select how OSPF calculates the cost associated with routing information from the 
indicated source. 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.
Metric
Type the external cost for routes provided by the indicated source. 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.
Area
This section displays information about OSPF areas in the ZyWALL.
#
This field is a sequential value, and it is not associated with a specific area.
Area
This field displays the 32-bit ID for each area in IP address format.
Type
This field displays the type of area. This type is different from the Type field above.
Authentication
This field displays the default authentication method in the area.
Add icon
This column provides icons to add, edit, and remove areas.
To add an area, click the Add icon at the top of the column. The OSPF Area Add/
Edit
 screen appears.
To edit an area, click the Edit icon next to the area. The Area Add/Edit screen 
appears.
To delete an area, click on the Remove icon next to the area. The web 
configurator confirms that you want to delete the area before doing so.
Apply
Click this button to save your changes to the ZyWALL. 
Reset
Click this button to return the screen to its last-saved settings.