[ILUG] static routing

Ger Gorman gormo at epona.physics.ucg.ie
Mon Oct 11 21:35:24 IST 1999


> 
> > ok..I've rtfm'ed and I still can't find an answer. Just for the hell of it
> > I included an entry to the routing table (using route add ...) to explicity
> > state that packets sent to gonzo.ie are routed through lo. (gonzo.ie being
> > the name of the local host). On a reboot I find that when I do a netstat -rn
> > the device for gonzo.ie is set to eth0!!! I've tested this a few times.
> > 
> > Does anyone know what changes the table and why? A simple yes answer will not do!
> 
> What distribution?  Different distributions store the network 
> configuration stuff in different places.
> 
> And let's see the output of netstat -rn.
> 
> Kenn
I'm running rh6.0.

table before rebooting:
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
140.203.1.130   0.0.0.0         255.255.255.255 UH        0 0          0 lo
192.168.2.2     0.0.0.0         255.255.255.255 UH        0 0          0 eth1
140.203.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.0.0     0.0.0.0         255.255.0.0     U         0 0          0 eth1
127.0.0.0       0.0.0.0         255.0.0.0       U         0 0          0 lo

table after rebooting:
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
140.203.1.130   0.0.0.0         255.255.255.255 UH        0 0          0 eth0
192.168.2.2     0.0.0.0         255.255.255.255 UH        0 0          0 eth1
140.203.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.0.0     0.0.0.0         255.255.0.0     U         0 0          0 eth1
127.0.0.0       0.0.0.0         255.0.0.0       U         0 0          0 lo



what do you think....

am I also right in thinking that the kernel edits the table if it finds a particular network unreachable?

ger.





More information about the ILUG mailing list