Click the Exhibit button.
Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS 65501 are true? (Choose two.)
A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501
B. R1 will modify the AS path attribute in prefixes advertised to AS 65501
C. R1 will modify the next-hop attribute in prefixes advertised to AS 65501
D. R1 will modify the cluster list attribute in prefixes advertised to AS 65501
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B & C Originator ID is not correct.
Well-known mandatory:
Recognized by all BGP peers, passed to all peers, and present in all Update messages. Well-known mandatory attributes include:
– Next-hop
– Origin
– AS PATH
Optional non-transitive:
Possibly recognized by BGP routers but not passed to peers. Optional non-transitive attributes include:
– Multi-exit discriminator (MED)
– Originator ID
– Cluster-ID
A,C.
B – it’s not correct.(R1 have IBGP session with R2,R3 and it don’t modify AS-path.)
B C.