350-001 · Question #131
Which of these best identifies the types of prefixes a router running BGP will advertise to an EBGP peer?
The correct answer is A. prefixes received from any other BGP peer and prefixes locally originated via network statements. eBGP peers will advertise all known eBGP routes to all other eBGP peers. iBGP peers will only advertise their own internal routes to other iBGP peers. A BGP speaking router will never advertise another iBGP peer's routes to any other iBGP peer.
Question
Which of these best identifies the types of prefixes a router running BGP will advertise to an EBGP peer?
Options
- Aprefixes received from any other BGP peer and prefixes locally originated via network statements
- Ball prefixes in its IP routing table
- Conly prefixes received from EBGP peers and prefixes locally originated via network statements or
- Donly prefixes received from EBGP peers and prefixes received from route reflectors
- Eall prefixes in its routing table except the prefixes received from other EBGP peers
- Fall prefixes in its routing table except the prefixes received from other IBGP peers
How the community answered
(28 responses)- A86% (24)
- B4% (1)
- C7% (2)
- D4% (1)
Explanation
eBGP peers will advertise all known eBGP routes to all other eBGP peers. iBGP peers will only advertise their own internal routes to other iBGP peers. A BGP speaking router will never advertise another iBGP peer's routes to any other iBGP peer.
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