OSPF: Difference between revisions
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= DR BDR |
= DR BDR = |
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*The DR serves as a common point for all adjacencies on a multiaccess segment |
*The DR serves as a common point for all adjacencies on a multiaccess segment |
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*The BDR also maintains adjacencies with all routers in case the DR fails |
*The BDR also maintains adjacencies with all routers in case the DR fails |
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*Election does not occur on point-to-point or multipoint links |
*Election does not occur on point-to-point or multipoint links, these routers listen only on 224.0.0.5 address. |
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*Default priority (0-255) is 1, Highest priority wins, 0 cannot be elected |
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*DR preemption will not occur unless the current DR is reset |
*DR preemption will not occur unless the current DR is reset |
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*DR/BDR is not Area/AS specific; There is a DR/BDR for every shared Segment. |
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*DROTHER is the name for other routers. |
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*Election: |
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Default priority (0-255) is 1 |
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Highest priority wins |
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0 cannot be elected |
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= Virtual Links = |
= Virtual Links = |