HP ProCurve Secure Router 7203 dl Advanced Management And Configuration Manual page 925

Using the Web Browser Interface for Advanced Configuration Tasks
Figure 14-94. Setting OSPF Parameters for Individual Interfaces
6. By default, the ProCurve Secure Router determines whether on interface
is on a point-to-point or multi-access network by its duplex setting. This
setting can be important because OSPF provides special options for multi-
access subnets. Routers elect a designated router (DR) and backup DR
(BDR). Each router in the subnet only exchanges LSAs with these two
other routers, thus minimizing OSPF overhead.
If necessary, you can override the automatically-determined network
setting. Select the correct type from the Network Type pull-down menu.
7. Routers in a multi-access network elect the router with the highest priority
DR. (Highest IP address breaks ties.) You can raise an interface's priority
to ensure that your router is elected DR for that interface's subnet. Enter
a value between 1 and 255 in the Priority field.
8. You can alter an interface's OSPF timers. Enter a value in the field
corresponding to the interval. Refer to Table 14-8 for details on the various
timers. You should be very cautious when altering timers and only do so
if you have experience working with OSPF.
Routing
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