Date: Sat, 04 Jun 2005 22:01:40 -0700 From: Karan Gupta <kgupta@edgefocus.com> To: freebsd-questions@freebsd.org Subject: Weird ping times Message-ID: <42A28734.3080805@edgefocus.com>
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Hi I have a router setup with fBSD #### uname output ######## FreeBSD aaa.xxx.com 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Wed May 25 15:08:04 PDT 2005 root@:/usr/src/sys/i386/compile/EFKERNEL i386 When i ping this machine from different networks i get the following timings Reply from xxx.aaa.bbb.ccc: bytes=32 time=187ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1688ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=251ms TTL=49 Reply from xxx.aaa.bbb.ccc bytes=32 time=1696ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=181ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1626ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=93ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1474ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=82ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1504ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=92ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1544ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=97ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1033ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=79ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1593ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=188ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1766ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=207ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1464ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=91ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=1678ms TTL=49 Reply from xxx.aaa.bbb.ccc: bytes=32 time=137ms TTL=49 Alternate good and bad times!!! I rebooted the machine to no effect. The problem seems to go away on its own for a few hours & then comes back. I ran tcpdump & saw nothing different between the times this behaviour was seen & the times it wasnt. The machine is running IPFW, isc-dhcp server and nat. Any thoughts??
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