RE: BGP & multihoming

From: Peter van Oene (pvo@usermail.com)
Date: Sun Nov 10 2002 - 11:41:40 GMT-3


You need to get some PI (provider independant) space from ARIN (or
RIPE/APNIC etc depending on where you are ag). Otherwise, you need to
get space from one provider along with permission for another provider
to route for that space (ie break the first providers aggregation) This
latter option is usually problematic.

On Sun, 2002-11-10 at 10:51, Brian T. Albert wrote:
> When you say "your own registered address/es", do you mean prefixes assigned
> to you from your 2 providers or obtained from another authority? What other
> authority can assign you prefixes independent of you providers, and what are
> the requirements to obtain them?
>
> BA
>
> -----Original Message-----
> From: MADMAN [mailto:dave@interprise.com]
> Sent: Saturday, November 09, 2002 9:12 PM
> To: Brian T. Albert
> Cc: ccielab@groupstudy.com
> Subject: Re: BGP & multihoming
>
>
>
> You don't need NAT if you have your own registered address/es. No special
> config required, you simply announce your public address/es
>
> Dave
>
> "Brian T. Albert" wrote:
>
> > In the real world can BGP multihoming to 2 different providers be
> > accomplished without NAT for the internal networks? I have found some
> links
> > on CCO http://www.cisco.com/warp/public/459/BGP-PIX.htm that show how to
> do
> > it with NAT, but is it possible without. If so, can someone supply some
> > config examples or good links.
> >
> > Thanks
> >
> > Brian T. Albert
> > brian.albert@worldnet.att.net
>
> --
> David Madland
> CCIE# 2016
> Sr. Network Engineer
> Qwest Communications Inc.
> 612-664-3367
> dave@interprise.com



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