Date: Mon, 26 May 2008 12:44:02 +0100 From: Chris Nicholls <n00dles@neocyber.info> To: freebsd-questions@freebsd.org Subject: Routing issues? Message-ID: <483AA282.1090007@neocyber.info>
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Hello all,
I seem to have stumbled on problem and I just can't see a reason for it.
One of my FreeBSD 7.0 machines stops responding on the network, the
strange thing is you could set your watch by it. approx every 5 minutes
for 5 minutes it will not respond on any interface.
I've googled around but not having a clear idea of what is going on its
hard to narrow down the search and the only two things I have in
/var/log/messages are as follows:
May 26 11:49:14 zeus kernel: arplookup 192.168.0.1 failed: host is
not on local network
May 26 11:49:14 zeus kernel: arpresolve: can't allocate route for
192.168.0.1
May 26 11:49:14 zeus named[686]:
/usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/unix/socket.c:1179:
unexpected error:
May 26 11:49:14 zeus named[686]: internal_send: 192.36.148.17#53:
Invalid argument
The machine has two internal NIC's setup like so, with the second
address on both cards being an alias.
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
mtu 1500
options=8<VLAN_MTU>
ether 00:06:29:1f:72:6d
inet 192.168.0.12 netmask 0xffffff00 broadcast 192.168.0.255
inet 192.168.0.13 netmask 0xffffffff broadcast 192.168.0.13
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
mtu 1500
options=8<VLAN_MTU>
ether 00:06:29:1f:72:6e
inet 10.0.0.1 netmask 0xff000000 broadcast 10.255.255.255
inet 172.16.0.1 netmask 0xffff0000 broadcast 172.16.255.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
also my routing table:
Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 192.168.0.1 UGS 0 40160 fxp0
10.0.0.0/8 link#2 UC 0 0 fxp1
92.0.0.0/8 192.168.0.1 UG 0 0 fxp0
127.0.0.1 127.0.0.1 UH 0 137 lo0
172.16.0.0/16 link#2 UC 0 0 fxp1
192.168.0.0/24 link#1 UC 0 0 fxp0
192.168.0.1 00:0c:30:5a:79:76 UHLW 3 0
fxp0 908
192.168.0.10 00:11:2f:06:f1:fe UHLW 1 8
fxp0 917
192.168.0.11 00:40:d0:5e:42:d0 UHLW 1 16
fxp0 908
192.168.0.12 00:06:29:1f:72:6d UHLS 1 57676 lo0
192.168.0.13 00:06:29:1f:72:6d UHLS 1 156441 lo0 =>
192.168.0.13/32 link#1 UC 0 0 fxp0
192.168.0.44 00:16:cb:cb:6e:db UHLW 2 1154
fxp0 1022
192.168.0.56 00:18:f3:42:a1:0a UHLW 1 2
fxp0 1197
The machine is acting as a router/gateway between 192.168.0.0/24 and
10.0.0.0/8 running routed -s and gateway_enable="yes"
Regards
--
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