BGP instability?

Brandon Lehmann brandon at
Fri May 17 15:33:06 UTC 2013


We saw some instability this morning around 2:53am (EST) that resulted in practically complete communication failure in our Detroit colo. It lasted approximately 45 minutes and service was restored rather gradually.


Brandon Lehmann  CCNA, CCAI, CFOT, Net+, A+, Security+
BitRadius, LLC
PO Box 493
Fremont, Ohio 43420
Email: brandon at
Phone: 567-255-3610 x9500
Toll-Free: 888-608-7253 x9500
Fax: 567-255-3611

From: Thomas St-Pierre [tstpierre at]
Sent: Thursday, May 16, 2013 11:56 PM
To: NANOG list
Subject: BGP instability?


Did anyone else see a large amount of instability between around 12:20am and 3:10am? (UTC, May 17th) We saw around 9 million announces per hour during that period come in through all our upstreams (vs an average normal of around 128k per hour).

Just curious as to what happened, if anything.


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