nanog mailing list archives

Re: Single AS multiple Dirverse Providers


From: joel jaeggli <joelja () bogus com>
Date: Mon, 10 Jun 2013 18:48:04 +0200

On 6/10/13 6:36 PM, Dennis Burgess wrote:
I have a network that has three peers, two are at one site and the third
is geographically diverse, and there is NO connection between the two
separate networks.

Currently we are announcing several /24s out one network and other /24s
out the second network, they do not overlap.  To the internet this works
fine, however, providers a/b at site1 do not send us the two /24s from
site b..   We have requested them to, but have not seen them come in,
nor do we have any filters that would prohibit them from coming in.
bgp loop detection ignores these...

You need the equivalent of loops 2 (cisco) in your router config to make this work (and it will work fine)
Is this normal?  Can we receive those routes even though they are from
our own AS?  What is the "best practice" in this case?

Dennis Burgess, Mikrotik Certified Trainer Author of "Learn RouterOS-
Second Edition <http://www.wlan1.com/product_p/mikrotik%20book-2.htm> "

  Link Technologies, Inc -- Mikrotik & WISP Support Services

  Office: 314-735-0270 <tel:314-735-0270>  Website:
http://www.linktechs.net <http://www.linktechs.net/>  - Skype: linktechs
<skype:linktechs?call>

  -- Create Wireless Coverage's with www.towercoverage.com
<http://www.towercoverage.com/>  - 900Mhz - LTE - 3G - 3.65 - TV
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