Chapter 19 IP Configuration

2Click Configuration > IP Configuration > OSPF.

3Click Add in the Interface pane.

Figure 159 IP Configuration: OSPF: New Interface

The following table describes the labels in this screen.

Table 121 IP Configuration: OSPF: New Interface

LABEL

DESCRIPTION

Network

Select an IP interface.

 

 

Area ID

Select 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

Note: OSPF Interface(s) must use the same authentication method

 

 

within the same area.

 

Select an authentication method. Choices are Same-as-Area, None (default),

 

Simple and MD5.

 

To participate in an OSPF network, you must set the authentication method and/or

 

password the same as the associated area.

 

Select Same-as-Areato use the same authentication method within the area and

 

set the related fields when necessary.

 

Select None to disable authentication. This is the default setting.

 

Select Simple and set the Key field to authenticate OSPF packets transmitted

 

through this interface using simple password authentication.

 

Select MD5 and set the Key ID and Key fields to authenticate OSPF packets

 

transmitted through this interface using MD5 authentication.

 

 

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.

 

 

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.

 

 

216

 

NetAtlas Workgroup User’s Guide