On Tue, Nov 30, 2010 at 11:22:41PM -0700, Khurram Khan wrote: > I'm seeing some packet loss out of one of my routers in San Diego, we peer > with L3. > > ping 4.69.132.57 so gi3/8 repeat 1000 size 5000 > > Type escape sequence to abort. > Sending 1000, 5000-byte ICMP Echos to 4.69.132.57, timeout is 2 seconds: > Packet sent with a source address of x.y.d.z > !!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!! > !.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!! > !!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!! > !!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!! > !!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!! > !!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!! > !!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!!!!! > !!!!!!!!.!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!!!!!!!.!!! > !!!!!!!!!!!.! > Success rate is 93 percent (534/573), round-trip min/avg/max = 20/27/204 ms
That's most probably ICMP rate-limiting by Level3 - notice the regular pattern. Judging from the reverse DNS of your ping target, this is a Juniper router interface that you are pinging. Best regards, Daniel -- CLUE-RIPE -- Jabber: [email protected] -- d...@ircnet -- PGP: 0xA85C8AA0

