Avaya Configuring Interface and Router Redundancy Uživatelský manuál stáhnout pdf (Strana 64)

Configuring Interface and Router Redundancy

B-4

Example 2: Three Routers at the Same Site

Figure B-2 illustrates a router redundancy group with three routers at the same

site.

Figure B-2. Router Redundancy: Three Routers at the Same Site

The only difference between having two members and three members in a router

redundancy group is that the best-secondary selection process becomes

meaningful.

Any degradation of a secondary member may cause a new best secondary to be

selected. Because the best-secondary selection process occurs upon any state

change within the router redundancy group, the designation of the best secondary

router is current at all times.

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Router A Router B

Router C

FDDI

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Avaya Configuring Interface and Router Redundancy Uživatelský manuál Strana 64