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DR and BDR in OSPF

Kevin Melton
Level 2
Level 2

‎08-05-2002 06:54 AM - edited ‎03-02-2019 12:26 AM

I am trying to determine what the documentation is referring to. I am studying for my routing exam; the OSFP sections have considerable mention of items called DR and BDR. When I search for this on the Web, the acroyms are used over and over without any explanation as to what they mean.

Very simply, what do DR and BDR stand for?...

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dong-lee
Level 1
Level 1

‎08-05-2002 07:29 AM

DR means designated router, BDR means backup designated router, and DROTHER means a router that is neither the DR or the BDR. The DR generates a Network Link State Advertisement, which lists all the routers on that network.

Good Luck on your exam...

Dong

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