 | | | mysterious routes appearing | mysterious routes appearing 2003-06-24 - By Iain Buchanan
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On Wed, 2003-06-25 at 05:44, Michael Weber wrote:
> Are you running RIP or OSPF?
AFAIK, no!
> How about a firewall?
Definately. What effect might this have on routes appearing?
> If you reboot the machine how long does it take for the routes to show
> up?
I'm guessing as soon as eth0 comes up, although I could be wrong. I
make this assumption because I fix the routes with route del... and then
as soon as I run ifdown eth0 and ifup eth0, the routes come back.
> My network scripts are in /etc/rc[3,5].d/S10network. Try creating
> a script the dumps the route table to a text file and put it in My
> network scripts are in /etc/rc[3,5].d/S11route-dump and see what it
> shows.
I had a look in here and the only place it seems to get routes from
(about line 146) is:
# Add non interface-specific static-routes.
if [ -f /etc/sysconfig/static-routes ]; then
grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do
/sbin/route add -$args
done
fi
and yes, /etc/sysconfig/static-routes is empty!
> (Or just add the route -n > /var/log/route.dump command to your
> S10network file.)
Ok I tried this, but it didn't tell me much else. At the beginning of
/etc/rc.d/init.d/S10network I put:
route -n > /var/log/pre-route.dump
which, after a reboot contains (as I expected):
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
and nothing else. At the end I put:
route -n > /var/log/post-route.dump
which, after a reboot, contains (as I expected):
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
203.16.234.0 172.16.0.8 255.255.255.0 UG 0 0 0 eth0
172.16.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
203.39.28.0 172.16.0.4 255.255.255.0 UG 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 172.16.0.4 0.0.0.0 UG 0 0 0 eth0
Thanks for your help, now how would you analyze this?
--
Iain Buchanan <iain@(protected)>
Q: What's the difference between USL and the Titanic?
A: The Titanic had a band.
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