OSPF DR/BDR Election

Router(config)#int S0/0


Router(config-if)#ip ospf priority 50

Changes OSPF interface priority to 50


The assigned priority can be between 0 and 255. A priority of 0 guarantees that the router never wins a designated router (DR) election, and 255 guarantees a tie in the election (tie broken by highest router ID). If all routers have the same priority, regardless of the number, they tie. Ties are broken by the highest router ID. Since 255 is the highest possible priority, a router with a priority of 255 is merely guaranteed to be part of a tie-breaker, and will not lose due to higher priority.

CCNA Self-Study(c) CCNA Portable Command Guide
CCNA Portable Command Guide
ISBN: 1587201585
EAN: 2147483647
Year: 2006
Pages: 261
Authors: Scott Empson

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