ZyXEL Communications XGS-4528F, Руководство пользователя, Страница: 342 / 491

Chapter 37 OSPF
XGS-4526/4528F/4728F User’s Guide
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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
on
Note: OSPF Interface(s) must use the same authentication method
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-Area to 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
on This field displays the authentication method used (Same-as-Area, None,
Simple or MD5).