It looked like a broken aggregated Ethernet bundle or something similar... Most annoying was that the issue moved around a bit, over about five hours all the broken test IPs we had started working again and then other destinations started failing. All was well when we turned down gblx. As of now though we are seeing the issue as fixed and turned up GBLX again. Thanks, John -----Original Message----- From: Heath Jones [mailto:hj1980@gmail.com] Sent: Thursday, October 07, 2010 9:22 AM To: John van Oppen Cc: Thomas Schmid; nanog@nanog.org Subject: Re: reachability problems Europe->US?
... random traffic (into) their network via our transit link gets black-holed. So for the same source & destination, sometimes it works, sometimes it doesn't?