Searching for "BGP"

Q:

Why is BGP a better choice for Internet routing than the IGPs?

Answer

RIP version 1 and IGRP are classful protocols and do not advertise subnet mask information. RIP version 2 has a limited network diameter of 15 hops. EIGRP, OSPF, and IS-IS use computational intensive algorithms for determining a shortest path. BGP relies on simple techniques for best path selection and loop detection, and can handle the number of network prefixes required for Internet routing.

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Subject: CCNP

Q:

What is the first thing that BGP checks to determine if a prefix is accessible?

Answer

BGP checks the NEXT_HOP attribute to determine if the NEXT_HOP is accessible or in the IP routing table.

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Subject: CCNP

Q:

What is BGP ?

Answer

It is a protocol used to advertise the set of networks that can be reached with in an autonomous system. BGP enables this information to be shared with the autonomous system. 

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Subject: Networking
Job Role: Network Engineer