[c-nsp] Default Route vs Full routing table with BGP

[A. Rahman Isnaini R Sutan]

Yes, I also need to have default route set on my routers though as well I
received full route from both providers.
This last resort gateway will forward any traffic that towarded to any route
that doesn't appear on my full routing table which periodically bogon has
those prefixes/routes updated.

A. Rahman Isnaini R. Sutan
-- Network Operation Division


----- Original Message -----
From: "Joe Provo" <joe.provo at rcn.com>
To: <cisco-nsp at puck.nether.net>
Sent: Thursday, December 29, 2005 3:56 AM
Subject: Re: [c-nsp] Default Route vs Full routing table with BGP


> On Wed, Dec 28, 2005 at 12:43:09PM -0800, Joseph Jackson wrote:
> >
> > I currently recivie only default route from my two providers because
> > of memory issues.  We are doing an upgrade of our internet routers to 1
gig
> > of ram and that would enable me to recivie the full internet routing
table.
> > Should I?  Is it any better to do so?
>
> In most cases, yes.  You can make better-informed decisions about
> utilizing the links.  Depending on the providers and your traffic
> mix, you might find one advertizes a much better connection to the
> sources/sinks of the bulk of your traffic.  In that case, it is
> best to have a fallback in-hand.  Depending on your traffic load,
> etc you may wish to have your providers send you full tables +
> default, and filter out all but default + their ASNs on your end.
> Then you can incrementally add more paths to acheive the performance
> level that you desire.
>
> It is useful to find out if your providers can supply you with
> community tagged routes to indicate their directly attached customers.
> That often makes a good decision-assist.
>
> Cheers,
>
> Joe
>
> --
> Joe Provo                                            Voice  617.670.2904
> Senior Manager, Internet Planning & Design           Fax    617.670.2920
> Network Engineering, RCN                             <joe.provo at rcn.com>
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