request for help w/ ATT and terminology

Wed Jan 16 22:08:12 UTC 2008

On Jan 16, 2008, at 4:55 PM, Darryl Dunkin wrote:

> If you want connectivity from both AT&T and Sprint with your one  
> block,
> you have plenty of justification from ARIN to get your AS assigned
> assuming both feeds come into one location.
>
> However, it looks like you are asking two providers to announce the  
> same
> block at two different locations (different origin AS on each). If  
> this
> is the case, it won't happen, you'd be better off justifying an
> allocation of the additional space from AT&T.

1) It can, has, and continues to happen all the time.  It's a  
perfectly valid way to route on the Internet.  Although not what I  
would do personally.

2) He said he killed the Sprint line.  He also said ARIN (correctly)  
denied him an ASN because he was not multi-homed.

-- 
TTFN,
patrick

> -----Original Message-----
> From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On Behalf  
> Of
> Mike Donahue
> Sent: Wednesday, January 16, 2008 13:37
> To: nanog at merit.edu
> Subject: request for help w/ ATT and terminology
>
>
> Hi.  I'm by no means an ip/networking expert, and we're having some
> difficulty communicating with the boffins at AT&T.  Any
> input/advice/translation would be appreciated.
>
> We own our own class C netblock.  Our previous provider, Sprint, had  
> no
> problem "adding" it to their network/advertising it (that circuit is  
> now
> disconnected).  We've started using an AT&T colo facility, and we're
> having a lot of trouble trying to get AT&T to do the same thing there
> that Sprint was able to do for us.  AT&T is refusing to advertise our
> netblock/path it to our cabinet unless we have an AS number.  ARIN has
> refused to give us one on the grounds (rightly so) that we're not
> multi-homed.   AT&T says they'll give  us a temporary ASN, and want us
> to do eBGP for our netblock.  They sent the technical information over
> today, and they want two distinct routers to act as the bgp peers...
>
> Anyway, it's all getting (for us) pretty complicated.   We're a fairly
> small firm and just want an Ethernet handoff with our IP block on it.
> Sprint didn't blink at the request, but AT&T...  We're getting a good
> rate from AT&T for the IP services because it's at their colo.
> Switching back to Sprint would definitely be more costly.
>
> Questions:
>
> 1.  Is what we're asking for unusual/uncalled for?
> 2.  What's the technical terminology for the request for AT&T to  
> simply
> start advertising our netblock called?  I'm wondering if they're not
> understanding our request.
>
> Any other comments/input/suggestions welcomed.
>
> Thanks in advance,
>
> Mike Donahue
> WATG
>
>