Some of our peers have been dropping BGP a bit more often lately. Somebody had a real bad day on Tuesday. Jul.18: 192.41.177.252 1:35:13 mae-east-rt2.es.net Jul.18: 192.41.177.125 1:23:29 mae-east.nsn.nasa.gov Jul.18: 192.41.177.251 0:59:05 mae-east-rt1.es.net Jul.18: 192.41.177.241 0:08:56 sl-mae-e-F0/0.sprintlink.net Here's a list giving the number of disconnects (where there were 5 or more disonnects per day). The majority of flapping seems to be at Mae-East and Mae-West. date peer hits Jul 18 192.157.69.250 8 rs1.sprint.ra.net NY NAP Jul 18 192.41.177.125 72 mae-east.nsn.nasa.gov MaeE Jul 18 192.41.177.251 34 mae-east-rt1.es.net MaeE Jul 18 192.41.177.252 56 mae-east-rt2.es.net MaeE The July 18 problem was mostly concentrated over one 3.5 hour period of continuous flap. Jul 18 07:19:28 to Jul 18 10:52:30 (122:47 / 213:02) 192.41.177.125 took 50 hits (57:00) 192.41.177.252 took 41 hits (62:31) 192.41.177.251 took 17 hits (34:19) Any clues from NASA and ESNET as to why this instability occurred at Mae-east? Was this some form of BGP meltdown or just hardware trouble at or getting to the Mae? Curtis