Qtech QSW-3900-24-SFP-DC Руководство пользователя v1-1 онлайн [230/634] 481617

It establishes neighborship and exchange routing information with the

routers in the network interface. After the failure of DR, BDR is about to be

DR because the neighborship has been established. There will be

reselected a new BDR which will not be effected the calculation of router

though it needs a long time.

Caution:

DR is not always the router with the superlative priority and BDR is not always

the one with the second superlative priority. After selecting DR and BDR, a

new router adds, no matter how superlative its priority is, it will not be DR.

DR is the definition in a network interface which is for router interface. A router

may be DR in an interface and may be BDR or DRother in another interface.

Selecting DR in broadcast or NBMA interface, it is unnecessary to select DR

in poit-to-poit or poit-to-multipoit interface.

【Example】

！Configure priority of VLAN interface 3 to be 100

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