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Multi-homing with multiple ASNs

Subject: Multi-homing with multiple ASNs
From: Curtis.Parish at mtsu.edu (Curtis L. Parish)
Date: Thu, 20 Nov 2014 22:00:47 +0000

Greetings,

We have recently added a second ISP  (third if you count I2).  Our first "ISP" is actually a private state network that peers with two Tier 1 providers.  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 network 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

Follow-Ups:
- Multi-homing with multiple ASNs
  - From: mark.tinka at seacom.mu (Mark Tinka)
- Multi-homing with multiple ASNs
  - From: bill at herrin.us (William Herrin)

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