RE: Juniper equivalent of Cisco's BGP Conditional Advertisements

From: JUN (yulingnan@yahoo.com)
Date: Tue Apr 30 2002 - 10:25:41 EDT


How fat will be fat enough for you?

--- Dave Humphrey <dave.humphrey@telindus.co.uk>
wrote:
> Sure if you send me a fat cheque.
>
> Dave H.
>
> -----Original Message-----
> From: JUN [mailto:yulingnan@yahoo.com]
> Sent: 30 April 2002 05:31
> To: jnciecert@yahoo.com; mellotte@netcsc.com;
> juniper-nsp@puck.nether.net
> Subject: Re: Juniper equivalent of Cisco's BGP
> Conditional
> Advertisements
>
>
> I am a bit slow and very lazy, could you please
> paste
> your policy configs ?
>
> Thanks
> JUN
>
> ----- Original Message -----
> From: "HHH" <jnciecert@yahoo.com>
> To: <mellotte@netcsc.com>;
> <juniper-nsp@puck.nether.net>
> Sent: Monday, April 29, 2002 10:29 PM
> Subject: Re: Juniper equivalent of Cisco's BGP
> Conditional Advertisements
>
>
> > ..and you also have to use aggregates in
> conjunction
> > as the variable.
> >
> > --- HHH <jnciecert@yahoo.com> wrote:
> > > There isn't a command that directly does this,
> but
> > > can
> > > be acheived using juniper policy
> > > expressions...remember, (p1 && p2) || p3 is
> > > equivalent
> > > of if p1 then p2 else p3... be creative.
> > >
> > > --- Eric Mellott <mellotte@netcsc.com> wrote:
> > > > Does anyone know if and how Juniper implements
> > > > something similar to Cisco's
> > > > BGP Conditional Advertisements. Cisco's
> > > > Conditional advertisement is
> > > > useful in a multihomed network, in which some
> > > > prefixes are to be advertised
> > > > to one of the providers, only if information
> from
> > > > the other provider is
> > > > missing. This condition would indicate a
> failure
> > > in
> > > > the peering session, or
> > > > partial reachability. So, basically routes
> are
> > > > advertised only if other
> > > > routes disappear from table.
> > > >
> > >
> > >
> > >
> __________________________________________________
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> >
> >
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