[176237] in North American Network Operators' Group

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Multi-homing with multiple ASNs

daemon@ATHENA.MIT.EDU (Curtis L. Parish)
Thu Nov 20 23:38:18 2014

X-Original-To: nanog@nanog.org
From: "Curtis L. Parish" <Curtis.Parish@mtsu.edu>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Thu, 20 Nov 2014 22:00:47 +0000
Errors-To: nanog-bounces@nanog.org

Greetings,

We have recently added a second ISP  (third if you count I2).  Our first "I=
SP" is actually a private state network that peers with two Tier 1 provider=
s.  We own an AS number and our IP space but at the last minute learned our=
 state network is advertising our network using two different ASNs (neither=
 ours) so they can load balance their connections.    If you hit the right =
looking glass server you can see our network advertised by three different =
ASNs.    We were told by the new ISP that this is a problem but the state n=
etwork says it is not.

Looking for opinions and words of wisdom on this split advertising issue.

Thanks
curtis


Curtis Parish
Senior Network Engineer
Middle Tennessee State University


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