BGP Dampening / IE Lab 5

From: Dennis J. Hartmann (dennisjhartmann@hotmail.com)
Date: Sun Jan 08 2006 - 18:06:30 GMT-3


    In the solution guide for IE Lab 5, it is mentioned that BGP Dampening
must be enabled in the global BGP process as a whole.
 
    In the 12.4 BGP Command Reference, Cisco details a process of using a
route-map at the end of the bgp dampening command to match on a prefix-list
that only enables bgp dampening for individual prefixes (some assumptions
here). This is done in a BGP IPv4 address-family though, but there's
nothing stopping us from using a BGP address family in this question.
 
    I guess this is where a proctor question would be generated.....
 
    There is also a route-map command (set dampening) which appears to turn
on bgp dampening for any route-map criteria. I'm assuming that the
route-maps set dampening command can only be used to modify the half-life,
suppress limit, reuse limit and max suppress time for individual criteria.
Again, this is done with the use of an IPv4 BGP address family.
 
    I have not tested this yet, but I was wondering if anyone had any
feedback on this.
 
    Thanks.
 
Dennis J. Hartmann
White Pine Communications
dh8@pobox.com
CCSI#23402 / CCVP / CCIP / CCNP
Cisco Optical, VPN & IDS Specialist
MCSE



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