From: Jeff Mullan (jmullan78@gmail.com)
Date: Thu Mar 22 2007 - 04:33:26 ART
Not a problem. Just wanted to help you well :)
On 3/21/07, Pierre-Alex <paguanel@hotmail.com> wrote:
>
> I think the response to this question is no.
>
> Best Regards,
>
> Pierre-Alex
>
>
> ----- Original Message -----
> From: "ian" <iyux2000@gmail.com>
> To: "M.Kerem Gursu" <kerem@gursu.org>; "Pierre-Alex" <paguanel@hotmail.com
> >;
> "Jeff Mullan" <jmullan78@gmail.com>; <achievewoo@gmail.com>
> Cc: <ccielab@groupstudy.com>
> Sent: Thursday, March 22, 2007 12:55 AM
> Subject: Re: Re: AS-Path manipulation
>
>
> > M.Kerem Gursu,How are you！
> >
> > Yes. Local-as does solve the problem. But it is required that certain
> configurations must be done on both side to accommodate this situation.
> Therefore, consider the following situation: If the question don't allow
> you
> to configure it on peer side, can we prepend any as-number on the
> most-right
> side of any BGP route manully and locally.
> >
> > ======= 2007-03-20 21:24:27 What you've mentioned in your letter：=======
> >
> > >Hi ,
> > >
> > >I think "local-as" would give the same result as route-map .
> > >
> > >
> > >R1#sh run | beg router bgp
> > >router bgp 254
> > > no synchronization
> > > bgp router-id 50.7.7.7
> > > bgp log-neighbor-changes
> > > network 100.100.100.0 mask 255.255.255.0
> > > neighbor 12.12.30.6 remote-as 2
> > > neighbor 12.12.30.6 local-as 253
> > > no auto-summary
> > >!
> > >ip route 100.100.100.0 255.255.255.0 Null0
> > >
> > >R1#sh ip bgp
> > >BGP table version is 2, local router ID is 50.7.7.7
> > >Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> > > r RIB-failure, S Stale
> > >Origin codes: i - IGP, e - EGP, ? - incomplete
> > >
> > > Network Next Hop Metric LocPrf Weight Path
> > >*> 100.100.100.0/24 0.0.0.0 0 32768 i
> > >
> >
>
> >---------------------------------------------------------------------------
> -------
> > >
> > >R2#sh run | beg router bgp
> > >router bgp 2
> > > no synchronization
> > > bgp router-id 50.6.6.6
> > > bgp log-neighbor-changes
> > > neighbor 12.12.30.7 remote-as 253
> > > no auto-summary
> > >
> > >R2#sh ip bgp
> > >BGP table version is 6, local router ID is 50.6.6.6
> > >Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> > > r RIB-failure, S Stale
> > >Origin codes: i - IGP, e - EGP, ? - incomplete
> > >
> > > Network Next Hop Metric LocPrf Weight Path
> > >*> 100.100.100.0/24 12.12.30.7 0 0 253 254 i
> > >
> > >
> > >
> > >> ----- Original Message -----
> > >> From: "Pierre-Alex" <paguanel@hotmail.com>
> > >> To: "Jeff Mullan" <jmullan78@gmail.com>, achievewoo@gmail.com
> > >> Subject: Re: AS-Path manipulation
> > >> Date: Mon, 19 Mar 2007 20:28:44 +0100
> > >>
> > >>
> > >> It seems to me that if you do this you will get 253 254i rather than
> 254
> > >> 253i because prepend will add before your AS not after.
> > >>
> > >> Try "local-as" to solve this problem ...
> > >>
> > >> Pierre-Alex
> > >>
> > >> ----- Original Message -----
> > >> From: "Jeff Mullan" <jmullan78@gmail.com>
> > >> To: <achievewoo@gmail.com>
> > >> Cc: <ccielab@groupstudy.com>
> > >> Sent: Monday, March 19, 2007 12:10 AM
> > >> Subject: Re: AS-Path manipulation
> > >>
> > >>
> > >> > Can you try a route-map inbound on R2 like this and see if it works
> :
> > >> >
> > >> > route-map AS_PATH_PREPEND permit 10
> > >> > set as-path prepend 253
> > >> >
> > >> >
> > >> >
> > >> > On 3/18/07, achievewoo@gmail.com <achievewoo@gmail.com> wrote:
> > >> > >
> > >> > > Hi group,
> > >> > > I met difficoulty about AS-path.
> > >> > > Here is the situation.
> > >> > > R1----R2
> > >> > > R1 in AS 254
> > >> > > R2 in AS 2
> > >> > > R1 advertised one route to R2 by BGP
> > >> > > On R2, show ip bgp
> > >> > >
> > >> > > Network Next Hop Metric LocPrf Weight Path
> > >> > > *> 100.100.100.0 192.168.1.254 0 0
> 254 i
> > >> > >
> > >> > > I was required to configure R2 and prepand AS 253 after 254.
> > >> > > The output should like this:
> > >> > > Network Next Hop Metric LocPrf Weight Path
> > >> > > *> 100.100.100.0 192.168.1.254 0 0
> 254
> > >> 253i
> > >> > >
> > >> > > Could anyone can help me solve it?
> > >> > >
> > >> > >
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> > >>
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> > = = = = = = = = = = = = = = = = = = = =
> >
> >
> > Have a nice day.
> >
> >
> > ian
> > iyux2000@gmail.com
> > 2007-03-22
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