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Community Member

EIGRP in Broadcast Medium

Hi,

I am confused in a very basic concept. That is..

OSPF uses DR/BDR election in Broadcast medium like LAN

How EIGRP handles this situation. Whether it will create membership with all the Routers in the LAN?

Can you please explain this.

R.B.KUMAR

2 REPLIES
Hall of Fame Super Silver

Re: EIGRP in Broadcast Medium

Hello R.B. Kumar,

EIGRP will build adjacencies will all routers in segment.

EIGRP misses a DR concept.

The reason why a single device cannot be a reference for all devices in segment is that EIGRP has some distance vectors features like spit horizon:

a router will not advertise out interface X what has learned from interface X.

For this reason a new router needs to build neighborship with all routers in the lan segment to be sure to get all routing information.

Hope to help

Giuseppe

Community Member

Re: EIGRP in Broadcast Medium

Hi Giuseppe,

Thankyou. This clarity i found no where in the documents. Thanks again for giving this information

regards,

R.B.Kumar

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