CCIE Practical Studies: Security (CCIE Self-Study)

Chapter 12

1:	What are the applications of a route map in BGP?
A1:	Answer: Route maps can be applied on incoming or outgoing routing information to or from a neighbor. They also influence route redistribution decisions. Route maps are used to permit or deny a route and also to alter attributes of a route with set statements.
2:	What is the purpose of MD5 authentication in BGP?
A2:	Answer: MD5 authentication in BGP can be used to protect against spoofing, denial-of-service attacks, and man-in-the-middle attacks. When MD5 is implemented, the BGP peer knows that information it received is from the correct source and was not altered in transit.
3:	Why is the maximum-prefix command needed?
A3:	Answer: To prevent an autonomous system from being bombarded ...