nanog mailing list archives
RE: duplicate packet
From: Eric Van Tol <eric () atlantech net>
Date: Wed, 10 Sep 2008 08:06:02 -0400
-----Original Message----- From: chloe K [mailto:chloekcy2000 () yahoo ca] Sent: Wednesday, September 10, 2008 6:46 AM To: nanog () nanog org Subject: duplicate packet Hi all When I ping the ip, I get the duplicate I check the ip is just one. Why it happens? Thank you 64 bytes from 192.168.0.95: icmp_seq=1 ttl=63 time=0.344 ms 64 bytes from 192.168.0.95: icmp_seq=1 ttl=63 time=0.401 ms (DUP!) 64 bytes from 192.168.0.95: icmp_seq=2 ttl=63 time=0.296 ms 64 bytes from 192.168.0.95: icmp_seq=2 ttl=63 time=0.328 ms (DUP!) 64 bytes from 192.168.0.95: icmp_seq=3 ttl=63 time=0.291 ms 64 bytes from 192.168.0.95: icmp_seq=3 ttl=63 time=0.316 ms (DUP!) 64 bytes from 192.168.0.95: icmp_seq=4 ttl=63 time=0.279 ms 64 bytes from 192.168.0.95: icmp_seq=4 ttl=63 time=0.309 ms (DUP!) 64 bytes from 192.168.0.95: icmp_seq=5 ttl=63 time=0.271 ms 64 bytes from 192.168.0.95: icmp_seq=5 ttl=63 time=0.299 ms (DUP!)
Check to see whether or not the port connected to that host is mirrored or in a SPAN VLAN. Misconfiguration on an analyzer server can cause duplicate traffic to be generated. -evt
Current thread:
- duplicate packet chloe K (Sep 10)
- Re: duplicate packet Florian Weimer (Sep 10)
- RE: duplicate packet Darden, Patrick S. (Sep 10)
- RE: duplicate packet Eric Van Tol (Sep 10)
- Re: duplicate packet Jon Lewis (Sep 10)
- RE: duplicate packet Tim Sanderson (Sep 10)
- Re: duplicate packet Sebastian Abt (Sep 10)
- Re: duplicate packet Laurence F. Sheldon, Jr. (Sep 10)
- Re: duplicate packet John Jensen (Sep 22)
- Re: duplicate packet John Jensen (Sep 22)
- Re: duplicate packet Valdis . Kletnieks (Sep 22)