[c-nsp] Sprint & AT&T BGP multihoming

[Adam Greene]

Had a good experience multihoming to AT&T, including fixing an issue with 
balancing traffic between the two providers, which we solved through 
advertisement of community strings. The engineer I spoke with was extremely 
knowledgable.

This was already a few years ago, though ...

----- Original Message ----- 
From: "ChrisSerafin" <chris at chrisserafin.com>
To: <cisco-nsp at puck.nether.net>
Sent: Tuesday, February 10, 2009 5:44 PM
Subject: [c-nsp] Sprint & AT&T BGP multihoming


>I am planning on multi-homing a client's Internet connection for 
>redundancy, and wanted to know if anyone is doing this with Sprint and/or 
>AT&T and has any pointers or 'gotchas' they have run into.
>
> I'm still months out from doing this and will most likely want to KEEP the 
> existing subnets that they gave us (a /23 and /24), without the need for 
> rebuilding a bunch or VPNs, re-IP'ing externally facing devices, and DNS 
> changes for externally available web presence.
>
> Ideas? Comments? Concerns? Flames?
>
> Thanks,
>
> Chris Serafin
> chris at chrisserafin.com
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