Hi all,

I've run a server from behind my Comcast cable connection for years. I just moved into a new house. Unplugged everything, moved, plugged back in. Everything works, except...

My eth0 is supposed to get a DHCP IP addy from Comcast through the cable modem. It isn't. It did yesterday before I moved!

When I plug the modem directly into a Windows PC, it gets an addy just fine. Anyway can I "renew" the eth0 interface while it is plugged in? Am I missing something simple?

Thanks, all.

Chris

Here's some more info...

I ran "dhclient eth0". It ran through all it's discovery, but in the end, came up with nothing. I forget the exact message, but it basically told me there was no addresses to be had. BS.

Then, I looked at the leasesdhclient-eth0.leases file and I see something strange there. There is a line that says:

fixed-address xx.xx.xxx.xx;

Where all the x's are the most recent DHCP-handed out address I had in my other house! What I don't like is the word "fixed". DHCP is never "fixed"...

Does anyone have any ideas? I'd appreciate it because if I can't get this working I'm dead in the water.

Thanks,

Chris

Even more info...

I also think it's important to say that upon moving, I am also now using a NEW cable modem. Is the new modem causing this hell, perhaps? That's the only piece of hardware that has changed...

Chris

Do you have any other devices that can or can't acquire an address?

Did you notify comcast of your new cable modem and give them the mac address for it?

If all else fails call their support and let them schedule to come to your house. First available appointment is 3 weeks from today between 2 and 8pm...(heavy sarcasm)

Well, I have eth1, but that's set for my LAN and has a fixed IP address that I set. It works fine.

I did call them, but you don't need to notify them anymore apparently. It all happens dynamically into a database of theirs. They know my modem's MAC address, but they have no idea what eth0's MAC is, nor can they change it manually.

Not an option because they don't support that sort of thing. If one of their "techs" comes out, see a linux server/router, they'll not only do nothing, but charge me as well.

My guess is that there SOMETHING about the changing of the modem's that's screwing up the RH box. I just can't figure what it could be. I've looked in config file after config file and don't see squat. This has got to be simple...

Anyone, please?

Chris

I meant, did you give them the mac address of your new cable modem..

I appreciate your willingness to help, but I already said:

Chris

Are you rebooting the cable modem when you went from the Windows PC the this one? The modem will need to be reset or it will marry itself the the first ethernet cards MAC address that was plugged into it, and not pass any data unless that ethernet is in use. Rebooting the modem will clear that.

Rebooting the modem didn't do anything. It's fixed... Here's what I did...

Simply, I got a hold of my old modem. Hooked it up, works fine. I have NO idea what this new one's problem is. Crappy Linksys POS!

Old one os a Toshiba, and is a tank. I love it. It works, it's fast, and all is well.

Chris