BGP as-path prepend confusion !

From: Pun, Alec CL (Alec.CL.Pun@pccw.com)
Date: Sat Dec 27 2003 - 07:01:11 GMT-3


Hi group,

I am confused by the command "set as-path prepend" as the new AS # should be
appended instead of prepended to the originated AS #, right ? My assumption
of prepend is that new AS # should be added to the left of the AS-Path.

rgds,
alec

R1
router bgp 65400
 no synchronization
 bgp log-neighbor-changes
 network 3.3.3.0 mask 255.255.255.0
 neighbor 192.168.4.1 remote-as 1
 neighbor 192.168.4.1 route-map prepend-as out
 no auto-summary
route-map prepend-as permit 10
 set as-path prepend 65401 65402
!

R2#sh ip bgp
BGP table version is 8, local router ID is 204.100.100.97
Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network Next Hop Metric LocPrf Weight Path
*> 3.3.3.0/24 192.168.4.2 0 0 65400 65401
65402 i



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