[111504] in North American Network Operators' Group
Re: One /22 Two ISP no BGP
daemon@ATHENA.MIT.EDU (Jason Biel)
Fri Feb 6 12:41:00 2009
In-Reply-To: <e353d880902060931u429b1edfgd10661ac765c06a9@mail.gmail.com>
Date: Fri, 6 Feb 2009 11:40:55 -0600
From: Jason Biel <jason@biel-tech.com>
To: Charles Regan <charles.regan@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
It will depend on the source of the traffic and how that peer follows AS
path into your providers.
On Fri, Feb 6, 2009 at 11:31 AM, Charles Regan <charles.regan@gmail.com>wrote:
> What if both annonce my /22 unweighted ?
>
> I know I will loose failover in this scenario.
>
> I am trying to figure out what will happen, traffic will flow inbound
> from both in a round-robin like method ?
>
>
>
>
> On Fri, Feb 6, 2009 at 1:24 PM, Charles Regan <charles.regan@gmail.com>
> wrote:
> > The can't do BGP.
> > They are already advertising two /24 for us. So they will advertise a
> > /22 if I ask them.
> >
> >
> > On Fri, Feb 6, 2009 at 1:20 PM, Jason Biel <jason@biel-tech.com> wrote:
> >> Good point on ISP1 Steve, being they are limited already, they might be
> just
> >> reselling.
> >>
> >>
> >>
> >> On Fri, Feb 6, 2009 at 11:18 AM, Steve Bertrand <steve@ibctech.ca>
> wrote:
> >>>
> >>> Jason Biel wrote:
> >>> > The link that goes down will trigger that provider to remove the
> route,
> >>> > traffic will swing and start coming in on the backup link.
> >>>
> >>> This is assuming that 'ISP1' has the capability to advertise the OP's
> >>> route in the first place.
> >>>
> >>> What if ISP1 is simply a customer of another ISP, using PA space, and
> >>> just reselling connectivity?
> >>>
> >>> Charles, you really need to find out what others have asked... can the
> >>> ISP1 advertise your block of space for you, or do they really mean that
> >>> they *can't* do BGP at all.
> >>>
> >>> Steve
> >>
> >>
> >>
> >> --
> >> Jason Biel
> >>
> >>
> >
>
>
--
Jason Biel
