Re: eBGP Filtering - AS Path ACL. not working.

From: Sreenivasa Reddy.Kaki (sreeni.kaki@gmail.com)
Date: Thu Aug 17 2006 - 14:54:12 ART


If the two BGP routers supports 'route refresh' capabilites, this command
refreshes the inbound/outbound policies and applies the policies, without
resetting the neighbor (TCP) connection.

HTH

KSR.

On 8/17/06, Kal Han <calikali2006@gmail.com> wrote:
>
> Hi
> Thanks for your reply. That was the mistake.
> I didnt clear ip bgp * soft out.
>
> I read "If the neighbor has the soft reconfiguration capability, you can
> use
> the *clear ip bgp x.x.x.x soft in* command. "
>
> what does this mean ? what has neighbor got to do with my inbound policy
> changes into effect ?...
>
> Does this soft reset teardown the tcp connection ?
>
> Thanks
> Kal
>
>
> On 8/17/06, WorkerBee <ciscobee@gmail.com> wrote:
> >
> > Did u do a "clear ip bgp * soft out" at R2?
> >
> >
> > On 8/18/06, Kal Han <calikali2006@gmail.com> wrote:
> > > Hi
> > > I am trying to do filtering.
> > > I am using filter-list. --- NOT working
> > >
> > > AS-65000 AS-123 AS-456
> > > ----------[ R1 ] ------------ [ R2 ] ------------- [ R3 ]
> > >
> > > In the above senario, on R2, I dont want to send routes
> > > that start from AS65000 to AS 456.
> > > I am using a filterlist with neighbor command and its NOT working
> > >
> > > R2#sh run | in ip as-path
> > > ip as-path access-list 1 deny _65000$
> > > ip as-path access-list 1 permit .*
> > >
> > > R2#sh run | be bgp
> > > router bgp 123
> > > no synchronization
> > > bgp log-neighbor-changes
> > > network 4.4.4.44 mask 255.255.255.255
> > > aggregate-address 209.112.0.0 255.255.0.0 summary-only
> > > neighbor 140.100.45.2 remote-as 1111
> > > neighbor 140.100.45.2 next-hop-self
> > > neighbor 140.100.47.7 remote-as 456 <-------------------
> for
> > R3
> > > neighbor 140.100.47.7 password ccie <-------------------
> for
> > R3
> > > neighbor 140.100.47.7 filter-list 1
> > > out <------------------- for R3
> > >
> > > After this I see all the routes that start on R1 in R3.
> > > Not sure what I am doing wrong.
> > >
> > > Thanks
> > > Kal
> > >
> > >
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-- 
******************************************************
Sreenivasa Reddy.Kaki
CCIE(QUAL),CCNP,CCNA
IT Engineer-Customer Services
CMC Limited
Hyderabad
Mobile:9849984014.


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