I've got a problem with
my DSL Router running Debian woody kernel
2.4.18-bf2.4 with 2 realtek
network cards crashing abnormal.
I was not
able to find a reason for that strange behaviour and so I changed
the
machine and have now a notebook with two xircom cardbus cards
there.
Again after routing one day - I couldnt reach the internet, no pings
to
my router possible, the screen of the router was black and
pressing
keys on the keyboard showed no effect.
Maybe my dsl modem ( delivered by german
t-online 4 years ago with dsl contract )
is sending packets that causes my machine to freeze
?
In /var/log/messages I
cant find anything:
...
Dec 31 12:46:33 gumble2 -- MARK --
next line is
my reboot:
Dec 31 13:02:28 gumble2 syslogd 1.4.1#10: restart.
... snip
...
Dec 31 14:02:43 gumble2 kernel: tulip_attach(device 14:00.0)
Dec 31
14:02:43 gumble2 kernel: tulip.c:v0.91g-ppc 7/16/99
becker@scyld.com
(modified by danilo@cs.uni-magdeburg.de for XIRCOM CBE, fixed by Doug Ledford)
Dec 31 14:02:43
gumble2 kernel: eth0: Xircom Cardbus Adapter (DEC 21143 compatible mode) rev 3 at 0x200,
00:10:A4:7A:8C:68, IRQ 11.
Dec 31 14:02:43 gumble2 kernel: cs: cb_config(bus
21)
Dec 31 14:02:43 gumble2 kernel: fn 0 bar 1: io
0x400-0x47f
Dec 31 14:02:43 gumble2 kernel: fn 0 bar 2: mem
0x60015000-0x600157ff
Dec 31 14:02:43 gumble2 kernel: fn 0 bar 3:
mem 0x60014000-0x600147ff
Dec 31 14:02:43 gumble2 kernel: fn 0
rom: mem 0x60010000-0x60013fff
Dec 31 14:02:43 gumble2 kernel:
irq 11
Dec 31 14:02:43 gumble2 kernel: tulip_attach(device 15:00.0)
Dec 31
14:02:43 gumble2 kernel: eth1: Xircom Cardbus Adapter (DEC 21143 compatible mode) rev 3 at 0x400,
00:10:A4:7A:8C:3A, IRQ 11.
... ...
iptables is:
iptables -t nat -A
POSTROUTING -o ppp0 -j MASQUERADE
iptables -N myconf
iptables -A myconf -m
state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A myconf -m state
--state NEW -i ! ppp0 -j ACCEPT
iptables -A myconf -p tcp --destination-port
22 -j ACCEPT
iptables -A myconf -j DROP
iptables -A INPUT -j
block
iptables -A FORWARD -j block
echo 1 >
/proc/sys/net/ipv4/ip_forward
I read something about the tulip driver
that it maybee helps to put the
network interfaces into promiscuous
mode? May that really be
the
solution?
I did a ifconfig eth0 promisc ifconfig eth1 promisc
...
Where can i look for further error diagnostics /var/log/messages
doesnt
help me ...
I'd be very glad if someone could help me with a
tip.
Many thanks in advance
tobias
tobias.pirzer@web.de
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