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

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

What are the two requirements for adding iBGP to the routing table?
-The route must be the best BGP route
-The route must be the best route (according to AD) in comparison with other routing sources
How can you overcome the blackhole with BGP?
-Use sync and redistribute routes
-Disable sync and use bgp on all routers in an AS
What is the BGP synchronization rule?
The BGP synchronization rule states that if an AS provides transit service to another AS, BGP should not advertise a route until all of the routers within the AS have learned about the route via an IGP
What BGP command can prevent problems related to IP routing and what will the command do?
BGP routes will be redistributed in the routing protocol
What is the disadvantage of disabling sync and using BGP on all routers in an AS?
-BGP needs the full mesh of iBGP peers inside an AS because BGP does not advertise iBGP routes (N routers, N(N-1/2 neighbor connections required)
-BGP can degrade because of the large number of peers
What does BGP offer to reduce the number of peer connections inside an AS?
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