Date: Fri, 3 Apr 2009 16:11:22 -0700 From: Anuj Singh <anujhere@gmail.com> To: freebsd-questions@freebsd.org Subject: mac arp moved from-to DOS? Message-ID: <3120c9e30904031611l668e27f6vaf5ff6be15510f47@mail.gmail.com>
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Hi, FreeBSD fbsd1.com 7.1-RELEASE FreeBSD 7.1-RELEASE #0: Thu Jan 1 14:37:25 UTC 2009 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 uptime 4:33AM up 3 days, 33 mins, 6 users, load averages: 4.15, 4.13, 4.16 I faced a problem on my server, and it stopped responding on network. After logging in to the server I found services running normal as usual. I have following in my logs 4 03:23:19 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:23:19 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:24:03 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:24:03 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:24:20 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:24:20 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:24:23 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:24:23 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:24:42 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:24:42 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:24:46 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:24:46 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:25:43 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:25:43 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:25:56 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:25:56 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:33:55 fbsd7 login: ROOT LOGIN (root) ON ttyv1 Apr 4 03:34:14 fbsd7 login: ROOT LOGIN (root) ON ttyv2 Apr 4 03:34:36 fbsd7 kernel: age0: interrupt moderation is 100 us. Apr 4 03:34:36 fbsd7 kernel: age0: link state changed to DOWN Apr 4 03:34:40 fbsd7 kernel: age0: link state changed to UP Apr 4 03:34:43 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:34:43 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 Apr 4 03:34:45 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0d to 00:22:19:ae:ea:0f on age0 Apr 4 03:34:45 fbsd7 kernel: arp: 10.139.7.15 moved from 00:22:19:ae:ea:0f to 00:22:19:ae:ea:0d on age0 10.139.7.15 is some windows machine... is it a DOS? After restarting the network service FreeBSD startet responding to the network... In above log i logged in to the system, ROOT LOGIN (root) ON ttyv1 and i can see same messages of kernel arp in my messages, means machine was on network (cause i have arp logs of the time when machine was not responding)..... Any idea? Thanks & Regards Anuj Singh
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