On Sat, 2003-11-01 at 20:21, Jeffrey Barish wrote:
When I use the kernel that I built from the source for 2.4.18-686, I get the message:
sendto: Network is unreachable
when I try to ping another machine on my network. Using ifconfig, I noticed that eth0 had no IP address assigned. So I did
ifconfig eth0 down
and then
ifconfig eth0 192.168.0.8 netmask 255.255.255.0 up
At that point, ping worked. So it seems as if dhcp is not working. Is there something in the kernel configuration that is required to make dhcp work?
I am still not able to browse the web. I get the message "Could not connect to host ..." no matter what URL I use.
I've noticed that dhcp doesn't change any configurations. If I run dhclient, it spews out the information for the dhcp, but that's it. It doesn't change any network settings. It's been that way for a long time now, but I've just worked around it... Good to know that someone else is having the problem...
Anyways, to help you with the "Could no connect to host..." problem, you probably need to add a default gateway to your routing table.
Check if the default gateway is reasonable using
# route (as root. Haha!)
If not, then
# route add default gw <ip.address.of.gateway>
Good Luck.
Marshal
Your suggestion solved the problem. I also had
auto eth0
iface eth0 inet dhcp
in my /etc/network/interfaces, but the routing was not correct until I issued the route command manually.
I still don't understand why there is a difference depending on whether I boot the kernel that I built from 2.4.18-686 source or use the standard kernel in that distribution. The standard kernel gets everything right without my issuing the ifconfig and route commands. Also, I see dhclient running with the standard kernel. I'm thinking that the problem when I run my kernel that requires the ifconfig and route commands arises because dhcp doesn't run, and dhcp doesn't run because something is not configured correctly in my kernel. What do I need to turn on when I configure my kernel to get dhcp? Is there some other explanation for why dhcp doesn't run with my kernel?
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