Not a weird issue. It's called packet loss. You might want to try some traces to see where that loss is happening. Basic troubleshooting. Steve Naslund Chicago IL -----Original Message----- From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Khurram Khan Sent: Tuesday, October 07, 2014 1:36 PM To: nanog@nanog.org Subject: Weird Issues within L3 Hi Group, We have a couple of circuits , internet facing with Level 3 and from our edge in San Diego, seeing some packet loss when trying a ping to 4.2.2.4, sourcing from 63.214.184.3. anyone seeing a similar issue ? Packet sent with a source address of 63.214.184.3 !.!!!.!!!!!!!!!!!!!...!!!..!!!!!!.!!.!!!!!!.!..!!.!!.!!!!!!!!!!!!!!!!! !!!!!!!!!.!!.!!!..!!!!!.!!!!.! Success rate is 80 percent (80/100), round-trip min/avg/max = 12/13/16 ms