Building the IP routing table - Adding IBGP Routes to the IP Routing table - Confederations

7 important questions on Building the IP routing table - Adding IBGP Routes to the IP Routing table - Confederations

How do confederations eBGP peer connections act like?

They act like true eBGP peers in some respects
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Which 2 components help prevent loops within confederations autonomous systems?

-AS_CONFED_SEQ
-AS_CONFED_SET
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What is not changed with confederations eBGP connections?

NEXT_HOP
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Are confederations ASN's part if the AS_PATH length when a router chooses the best routes based on  the shortest AS_PATH?

NO
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What do confederations remove when the AS_PATH updates are sent outside the confederation?

Remove confederation ASN's from the AS_PATH
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What is the true ASN?

The real ASN (autonomous system) and NOT the sub-AS
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What is the subcommand used for confederations to identify a neighboring AS as another AS as another sub-AS?

bgp confederation peers sub-asn sub-asn sub-asn etc

All of the sub-asn's must be configured within the conferation AS. (CBT scalability confederations 29:30)
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