On Wed May 4 2005 10:33 am, Leen de Braal wrote:

Nick LeRoy zei:

...

Hello, Does anybody have any clues as to what could be going wrong here, and, hopefully, a solution? I really need to get this working soon because my old firewall box is dying rapidly, and I'm having a difficult time keeping it running.

Is your ISP checking the MAC_address (and you have a different one now?)

That's what I'd assumed at first, but.... I've been running 2 boxes connected to the hub at a time for quite a while -- a self contained Linux box and the firewall box, and both were getting valid IP address from DHCP. Now, with my old firewall (it's been dead for over 2 days now), the DHCP lease should that it held should have expired, shouldn't it have? I don't think that I've ever given Charter (the ISP) the MAC address of any of the machines that I've connected in the past. Perhaps I should contact them? -Nick -- <<< There is no spoon. >>> /`-_ Nicholas R. LeRoy The Condor Project { }/ http://www.cs.wisc.edu/~nleroy http://www.cs.wisc.edu/condor \ / nleroy@cs.wisc.edu The University of Wisconsin |_*_| 608-265-5761 Department of Computer Sciences

On Wednesday 04 May 2005 6:17 pm, Fred A. Miller wrote:

Nope.......probably don't need to. 'Sounds like it all needs to be reset. Shut down the 'puter. Then, kill the power to the HUB AND the cable modem. Leave them OFF for 5 mins. Then, turn on the modem, once up, turn on the HUB, then the 'puter. All should be well.

Fred, You hit the nail on the head. Actually, I didn't need to reset the hub or the computer, but power cycling the cable modem did the trick. :=) Thanks much to all, -Nick -- <<< Why, oh, why, didn't I take the blue pill? >>> /`-_ Nicholas R. LeRoy The Condor Project { }/ http://www.cs.wisc.edu/~nleroy http://www.cs.wisc.edu/condor \ / nleroy@cs.wisc.edu The University of Wisconsin |_*_| 608-265-5761 Department of Computer Sciences

On Wed May 4 2005 10:45 am, Sunny wrote:

On 5/4/05, Nick LeRoy wrote: Hi Nick, did I understand correctly that you have one internal dhcpd on another machine to assign the internal IP to eth1?

Yes, My network looks something like this (ASCII art sucks, I know, but...) Pretty standard setup, actually. [cable-modem] | [External hub] ------------------[Internal switch] | |eth0 |eth1 | | | | [other-Linux] [firewall] [File-Server] | | | | | [pc1] [pc2] ...

Can it be a conflict between the dhcp servers than. Try setting eth1 with static IP.

That seems unlikely -- the networks are physically separate. But, it's certainly worth trying, if nothing else to verify that the dhcpcd daemons aren't somehow conflicting with each other.

Saying "cable-modem hub", does it mean that you have a hub between the modem and the machine? Is it possible something else connected to that hub (or it by itself) be running another dhcp server? I had such a problem, connecting a wireless router (D-Link) between my machine and the modem, and I got the same problems as you. I solved it bu turning off the dhcp server of the modem, and letting the router to assign addresses.

I'm quite certain that they're not, but I'll check again when I get home. The hub in question is just a dumb-old 8 port 10-base-T hub.

Also, make sure that you get always the same name for each card. I read your system does not switch them, but who knows, reassurance is not so bad :)

I'll play around some more. Thanks! -Nick -- <<< The Matrix is everywhere. >>> /`-_ Nicholas R. LeRoy The Condor Project { }/ http://www.cs.wisc.edu/~nleroy http://www.cs.wisc.edu/condor \ / nleroy@cs.wisc.edu The University of Wisconsin |_*_| 608-265-5761 Department of Computer Sciences