Date: Tue, 30 May 2000 19:51:57 +0200 (CEST) From: theroge@mypeecee.org (Rogier Meurs) To: freebsd-questions@freebsd.org Subject: natd dumps core (signal 10) Message-ID: <20000530175157.9C9AF49210@cyrix.mypeecee.org>
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I've been working with natd for a long time with no problems, serving
my LAN from a 1 IP address cable connection. Now that I've added ADSL
I've been having problems. NAT from the cable connection still works,
but when using it on the tun interface it dumps core. Strange enough,
it works *sometimes*, seemingly randomly. I'm wondering if I'm doing
something wrong, whether it's a bug in natd, whether it has to do with
my Cyrix P166+ CPU or something else.
Relevant configuration details (ed1: cable, ed2: lan, ed3: adsl modem,
tun0: ppp adsl):
root@cyrix [/etc/ppp]# ifconfig -a
ed1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 24.132.71.41 netmask 0xfffffe00 broadcast 24.132.71.255
ether 52:54:00:da:27:23
ed2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
ether 52:54:00:da:1f:e7
ed3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 00:00:b4:c7:5e:24
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
inet 194.134.111.194 --> 194.134.111.193 netmask 0xffffff00
root@cyrix [/etc/ppp]# ipfw list
00100 divert 6668 ip from any to any via tun0
00200 allow ip from any to any via lo0
...
65535 allow ip from any to any
root@cyrix [/etc/ppp]# ps wwaux | grep natd
root 3647 0.0 0.9 864 540 ?? Ss 11:10AM 0:01.02
/usr/sbin/natd -use_sockets -same_ports -unregistered_only -dynamic
-interface tun0
root@cyrix [/etc/ppp]# route get default
route to: default
destination: default
mask: default
gateway: a001.adsl.euronet.nl
interface: tun0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu
expire
0 0 0 0 0 0 1500
0
Note: these two interfaces run like a charm, problems only occur when
using NATD.
The -alias switch on ppp also give trouble. It stops requests coming in
from the cable interface being replied via the tun interface.
Any ideas?
--
Rogier Meurs - rogier@meurs.org
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