dhclient not able to obtain an IP address from my isp's cable modem

Andrew C. Dingman adingman at cookgroup.com
Mon Oct 9 14:59:39 UTC 2006

I think you want debian-user at lists.debian.org.


FWIW, I run both stable and Sid at home, and it Works For Me.

On Mon, 2006-10-09 at 08:57 -0400, JC Ferguson wrote:
> Hi - I recently upgraded my linux system to debian/sarge 31r3.  And now,
> I cannot get an ip address via dhcp.  I have tried a bunch of different
> packages:
> - dhclient - no luck
> - dhcpcd - no luck
> - dhcp3-client - no luck
> - pump - no luck
> In my /etc/interfaces, I have eth0 and eth1.  eth0 is the dhcp i/f and I
> have it config'ed as such:
>   auto eth0
>   iface eth0 inet dhcp
> eth1 is a static interface - i assign it a 192.168.x.x address and it
> works fine - i can ping no problem from my windows pc when i have the
> windows pc phycially connected to the same network
> each time i try to get a dhcp addr, i power cycle the cable modem
> knowing how it likes to play games with MAC addresses.
> the real kicker here is this WORKED with debian/woody and pump
> previously - before I waxed the system and upgraded it to sarge.  So,
> something changed between woody/sarge versions of these packages to
> prevent it from working.  I am assuming the stock kernel on the debian
> netinst CD's needs no tweaking to support dhcp (given it is all
> user-space anyway).
> Lastly, my windows PC works like a champ.  I follow the same procedure:
> - Power off cable modem
> - Power on cable modem
> - Move CAT5 cable of windows pc -> cable modem
> - modify windows to use dhcp
> - within 5 seconds, done - on the network.
> Any ideas?  Note: service provider is charter pipeline cable modem is
> surfboard 4100.  I have read all the FAQ's, etc. I can find regarding
> the 4100/charter and nothing appears to work.
> thanks
> /jc

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