ZyXEL Communications 4528F, 4728F, XGS-4526 manual 342

Chapter 37 OSPF

The following table describes the labels in this screen.

Table 121 IP Application > OSPF Configuration > OSPF Interface

LABEL	DESCRIPTION
Network	Select an IP interface.
Area ID	Select the area ID (in an IP address format with dotted decimal notation)
	of an area to associate the interface to that area.
Authenticati	Note: OSPF Interface(s) must use the same authentication method
on
	within the same area.
	Select an authentication method. The choices are Same-as-Area, None
	(default), Simple and MD5.
	To participate in an OSPF network, you must make the authentication
	method and/or password settings 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. 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 begin configuring this screen afresh.
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 (in an IP address format with dotted decimal
	notation) of an area to associate the interface to that area.
Authenticati	This field displays the authentication method used (Same-as-Area, None,
on	Simple or MD5).

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