These are flashcards an notes made by students on topics like 'rr', 'route' and 'cluster', originating from:

- Narbik Kocharians, et al
ISBN-10 0133591069 ISBN-13 9780133591064
717 Flashcards & Notes
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Study Cards on rr, route, cluster

What are the rules for RR (route reflectors) servers?
-Allowed it learn iBGP routes from their clients
-Advertise them to other iBGP peers
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Are routes learned from a client  advertised by RR  server to non-clients?
Yes
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What is a RR cluster and when does it make sense?
multiple RR's in a cluster
Makes only sense when physical redundancy exits
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What are the RR features to prevent loops?
-CLUSTER_LIST
-ORIGINATOR_ID
-Only advertise beste routes
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What is the RR CLUSTER_LIST used for?
RR add cluster ID into BGP PA, called cluster list
RR discard recieved prefixes with their cluster ID (this prevents loops!)
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What is the RR ORIGINATOR_ID used for?
-PA lists the RID of first iBGP peer to advertise the route into the AS
-If router sees its own BGP ID as the ORIGINATOR in recieved route, it does not use or propagate the route
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