🚀 go-pugleaf

I had similar problems with my Cisco unit on @Home, until I discovered
the "-h" parameter of dhcpcd. Try using that with the hostname that the
cable modem folks gave you - they sometimes tie the dhcp lease to the
hostname, so that if you do not use the correct hostname, or if you use
dhcpcd without that parameter, it will not work.

Also, if there was a particular NIC that the cable modem folks used when
setting you up, try using that NIC instead of these other two. Some
cable modem shops disallow traffic from any MAC address on your port
*except* the MAC they used during the original installation.

Finally, check the Cable Modem HOWTO at one of these fine locations -
maybe someone else has already posted a solution there:

	www.linuxdoc.org
	metalab.unc.edu/Linux
	/usr/doc/HOWTO

Good luck.



AniFan wrote:
> 
> It seems that the 3com external cable modem is not very happy with linux.
> I am running RedHat 6.1 w/ updated files.
> 
> I have an Aopen (realtek chipset) NIC and
> an Linksys (tulip chipset), both 10/100 NIC cards.
> 
> My cable provider is Charter Communications and the modem they gave me is
> the 3com external.
> It seems as though it will not communicate with my linux OS. I see the
> "packets" light flash every once in a while when I reconfigure my network
> settings, but for the most part it does not work. I can not do one thing on
> the internet.
> If I set up DHCP, eth0 does not enable at startup, if I hard code the
> information (IP/Default Gate, etc), eth0 enables, however http does not
> enable at startup.
> I tried testing the NIC cards, linux sees them alright and I can ping it
> from another computer, if I have it on a local network.
> The only problem it is having is basicly the 3com cable modem.
> 
> I am out of options on this, will I basicly have to tell my cable provider
> to give me a new cablemodem or am I missing something?
> 
> Please help

Here's another option:

When your modem first connects to the cable provider it reads in your mac
address.
This prevents you connecting another computer to the modem as easily as
switching the ethernet cable from one system to another.

This can be undone by removing power to your cable modem for approx. two
minutes and then powering it back up.

DHCP should work at that point also.

Preferably, before powering down, if your modem is connected to a windows
machine, go to run and enter winipcfg. Then select your ethernet card and
choose release. Then power down.

You can determine if this is the problem without doing anything by first
connecting the modem to your linux box, with the static ip, and trying to
ping an outside address. If you see the lights flashing try it transmitting
but get no response then I would bet a beer this is your problem.

AniFan <no@no.no> wrote in message news:si7md4lg8ta145@corp.supernews.com...
> It seems that the 3com external cable modem is not very happy with linux.
> I am running RedHat 6.1 w/ updated files.
>
> I have an Aopen (realtek chipset) NIC and
> an Linksys (tulip chipset), both 10/100 NIC cards.
>
> My cable provider is Charter Communications and the modem they gave me is
> the 3com external.
> It seems as though it will not communicate with my linux OS. I see the
> "packets" light flash every once in a while when I reconfigure my network
> settings, but for the most part it does not work. I can not do one thing
on
> the internet.
> If I set up DHCP, eth0 does not enable at startup, if I hard code the
> information (IP/Default Gate, etc), eth0 enables, however http does not
> enable at startup.
> I tried testing the NIC cards, linux sees them alright and I can ping it
> from another computer, if I have it on a local network.
> The only problem it is having is basicly the 3com cable modem.
>
> I am out of options on this, will I basicly have to tell my cable provider
> to give me a new cablemodem or am I missing something?
>
> Please help
>
>
>