This is also being widely reported on the NANOG and inetproviders lists. Check traffic outbound from your MS SQL hosts if any. Firewall 1434/UDP inbound and outbound if you don't already. Tier 1 backbones are reporting a bad night: routing instabilities, one major dropped most of its peering for a while, the volume from this triggers the Cisco netflow switching bug and is causing routers to lock up at places, etc. -george william herbert gherbert@retro.com
