Date: Sun, 24 Jan 2010 08:27:45 +0530 From: Sherin George <list@sheringeorge.co.cc> To: freebsd-questions@freebsd.org Subject: Re: Strange network issue in freebsd 8 Message-ID: <7f14551c1001231857t68dd78ceu804cf9626f910351@mail.gmail.com> In-Reply-To: <20100123182709.GM30253@mail2.dcoder.net> References: <7f14551c1001230122q155fadadscf1575f9795fa871@mail.gmail.com> <20100123182709.GM30253@mail2.dcoder.net>
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Hello, Thanks for the reply. Please see the result of "netstat -rn" command. ============ myserver# netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default XXX.XXX.XXX.241 UGS 62 209247 em0 127.0.0.1 link#3 UH 0 0 lo0 XXX.XXX.XXX.240/29 link#1 U 0 0 em0 XXX.XXX.XXX.242 link#1 UHS 0 0 lo0 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UH lo0 fe80::%lo0/64 link#3 U lo0 fe80::1%lo0 link#3 UHS lo0 ff01:3::/32 fe80::1%lo0 U lo0 ff02::%lo0/32 fe80::1%lo0 U lo0 ============= Note: I have replaced first three octets. -- Regards, Sherin On Sat, Jan 23, 2010 at 11:57 PM, dacoder <dc@dcoder.net> wrote: > you don't say what "netstat -rn" shows for a default route. > +++ Sherin George [23/01/10 14:52 +0530]: > >> Hello, >> >> i am facing some sort of strange network issue in a freebsd server >> occasionally. >> >> OS: FreeBSD 8.0-RELEASE - amd64 >> >> The servers loses network connection once in a few days. I logged into >> console and verified that network is up. I even restarted network service >> using following command. >> >> /etc/rc.d/netif restart >> >> Still, it didn't fix. >> >> I checked /var/log/messages, but I am not getting any clue. >> >> ============== >> Jan 19 12:10:20 myserver kernel: GEOM_MIRROR: Device gm0: rebuilding >> provider ad0 finished. >> Jan 19 20:20:23 myserver nfsd[732]: select failed: Interrupted system call >> Jan 19 20:21:07 myserver nfsd[732]: select failed: Interrupted system call >> Jan 23 02:14:33 myserver login: ROOT LOGIN (root) ON ttyv0 >> Jan 23 02:19:51 myserver kernel: ifa_del_loopback_route: deletion failed >> Jan 23 02:19:57 myserver kernel: em0: link state changed to DOWN >> Jan 23 02:20:02 myserver kernel: em0: link state changed to UP >> Jan 23 02:29:58 myserver reboot: rebooted by root >> Jan 23 02:29:58 myserver syslogd: exiting on signal 15 >> Jan 23 02:31:31 myserver syslogd: kernel boot file is /boot/kernel/kernel >> Jan 23 02:31:31 myserver kernel: Copyright (c) 1992-2009 The FreeBSD >> Project. >> Jan 23 02:31:31 myserver kernel: Copyright (c) 1979, 1980, 1983, 1986, >> 1988, >> 1989, 1991, 1992, 1993, 1994 >> Jan 23 02:31:31 myserver kernel: The Regents of the University of >> California. All rights reserved. >> Jan 23 02:31:31 myserver kernel: FreeBSD is a registered trademark of The >> FreeBSD Foundation. >> Jan 23 02:31:31 myserver kernel: FreeBSD 8.0-RELEASE #0: Sat Nov 21 >> 15:02:08 >> UTC 2009 >> Jan 23 02:31:31 myserver kernel: root@mason.cse.buffalo.edu: >> /usr/obj/usr/src/sys/GENERIC >> Jan 23 02:31:31 myserver kernel: Timecounter "i8254" frequency 1193182 Hz >> quality 0 >> ============== >> >> Network, TCP stack all were up. It was pinging gateway even. But, >> traceroute >> was not going beyond gateway. >> >> I believe the issue is not related to anything outside server since a >> reboot >> always fixes the issue. >> >> I will be grateful for any advise that can help me in troubleshooting this >> problem. >> >> -- >> Best Regards, >> Sherin >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to " >> freebsd-questions-unsubscribe@freebsd.org" >> > > -- > > regards, > > David Coder > Network Engineer Emeritus, Verio/NTT > Telluride, CO & Washington, DC >
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