From: ying c (bf5tgh1@yahoo.com)
Date: Tue Apr 01 2003 - 10:31:39 GMT-3
Hi,
If you are peering EBGP peers, you can use local-as
command. See
Chang
--- Paul Lalonde <plalonde2@cogeco.ca> wrote:
> Hi Christian,
>
> In your previous e-mail, you said R2 belonged to
> AS100.
>
> In any event, you should only have to strip the
> private AS with the
> 'neighbor remove-private-as' command to strip the
> private AS so that routes
> appear to have originated from AS200. This would be
> done on R3 to its
> neighbor of R5.
>
> Paul
>
> ----- Original Message -----
> From: "Cristian Henry H" <chenry@reuna.cl>
> To: "Paul Lalonde" <plalonde2@cogeco.ca>
> Cc: <ccielab@groupstudy.com>
> Sent: Monday, March 31, 2003 8:23 PM
> Subject: Re: Change the AS number ? *answer*
>
>
> > The problem is R2 is already configured with
> confederation, look the
> > configuartions:
> >
> > (R2<---->R3)<----->(R5<----->R6)
> > ( AS65000 AS65001 )
> > ( AS200 )
> >
> > R2: (200.0.0.2)
> >
> > router bgp 65000
> > no synchronization
> > bgp confederation identifier 200
> > network 192.128.2.2 mask 255.255.255.255
> <---this have to be inserted
> > in bgp process with AS 220!!!
> > neighbor 200.0.0.3 remote-as 65000
> > neighbor 200.0.0.3 ebgp-multihop 4
> > neighbor 200.0.0.3 update-source Loopback0
> >
> > R3: (200.0.0.3)
> >
> > router bgp 65000
> > no synchronization
> > bgp confederation identifier 200
> > bgp confederation peers 65001
> > neighbor 200.0.0.2 remote-as 65000
> > neighbor 200.0.0.2 ebgp-multihop 4
> > neighbor 200.0.0.2 update-source Loopback0
> > neighbor 200.0.0.5 remote-as 65001
> > neighbor 200.0.0.5 ebgp-multihop 4
> > neighbor 200.0.0.5 update-source Loopback0
> > no auto-summary
> >
> > R5: (200.0.0.5)
> >
> > router bgp 65001
> > no synchronization
> > bgp confederation identifier 200
> > bgp confederation peers 65000
> > neighbor 200.0.0.3 remote-as 65000
> > neighbor 200.0.0.3 ebgp-multihop 4
> > neighbor 200.0.0.3 update-source Loopback0
> > neighbor 200.0.0.6 remote-as 65001
> > neighbor 200.0.0.6 ebgp-multihop 4
> > neighbor 200.0.0.6 update-source Loopback0
> >
> > R6: (200.0.0.6)
> >
> > router bgp 65001
> > no synchronization
> > bgp confederation identifier 200
> > neighbor 200.0.0.5 remote-as 65001
> > neighbor 200.0.0.5 ebgp-multihop 4
> > neighbor 200.0.0.5 update-source Loopback0
> > no auto-summary
> >
> >
> > Paul Lalonde wrote:
> > >
> > > Hi there,
> > >
> > > Easy. Configure R2 as a single confederation
> member, with AS 100 being
> the
> > > private AS and AS 220 being the confederation
> identifier AS.
> > >
> > > R2 will only be AS 100 to itself and will appear
> to everyone else as AS
> 220!
> > >
> > > eg.
> > >
> > > router bgp 100
> > > bgp confederation-identifier 220
> > > network 192.128.2.2 mask 255.255.255.255
> > > neighbor xxxx...
> > >
> > > Hope this helps!
> > > Paul
> > > ----- Original Message -----
> > > From: "Cristian Henry H" <chenry@reuna.cl>
> > > Cc: <ccielab@groupstudy.com>
> > > Sent: Monday, March 31, 2003 11:01 AM
> > > Subject: Change the AS number ?
> > >
> > > > Hi everybody!
> > > >
> > > > R2 belong to AS 100, but now the question say:
> > > >
> > > > "on R2 create a loopback using the
> 192.128.2.2/32 address and using
> the
> > > > AS 220 injects it into th BGP process"
> > > >
> > > > How Can I get that? Are there any way to
> change the AS number before
> > > > inject the route into de BGP process??
> > > >
> > > >
> > > > --
> > > > Cristian E. Henry
> > > > REUNA
> > > >
> > > > E-mail: chenry@reuna.cl
> > > > Fono: 56-2-3370336
> > > >
> >
> > --
> > Cristian E. Henry
> > REUNA
> >
> > E-mail: chenry@reuna.cl
> > Fono: 56-2-3370336
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