DHCP vs Cable Modem

DHCP vs Cable Modem

Post by Richard B. Johnso » Thu, 03 Jul 2003 22:40:10



Sorry about BW. Anybody know how to configure a cable modem?
I have one. I connect it to the cable. I set Linux up for
DHCP. I end up with a dynamic IP address, a network mask,
a broadcast address, a default route, and even a name-server.

I can ping the name-server. However, I can't telnet or use
a Web Crawler. The thing works fine with WIN/2000/Prof. The
ISP says they only support Windows. Since I have all the
"hooks" working, how do I find a default route that will
route my packets to bypass their stuff?

Cheers,
* Johnson
Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

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DHCP vs Cable Modem

Post by jjs » Fri, 04 Jul 2003 01:10:16



>Sorry about BW. Anybody know how to configure a cable modem?
>I have one. I connect it to the cable. I set Linux up for
>DHCP. I end up with a dynamic IP address, a network mask,
>a broadcast address, a default route, and even a name-server.

>I can ping the name-server. However, I can't telnet or use
>a Web Crawler. The thing works fine with WIN/2000/Prof. The
>ISP says they only support Windows. Since I have all the
>"hooks" working, how do I find a default route that will
>route my packets to bypass their stuff?

Your symptoms suggest that your are basically up and running but perhaps
have name resolution issues.

Lack of information about your setup prevents me from offering any
further advice.

Best Regards,

Joe

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DHCP vs Cable Modem

Post by Davide Libenz » Fri, 04 Jul 2003 01:30:19




> >Sorry about BW. Anybody know how to configure a cable modem?
> >I have one. I connect it to the cable. I set Linux up for
> >DHCP. I end up with a dynamic IP address, a network mask,
> >a broadcast address, a default route, and even a name-server.

> >I can ping the name-server. However, I can't telnet or use
> >a Web Crawler. The thing works fine with WIN/2000/Prof. The
> >ISP says they only support Windows. Since I have all the
> >"hooks" working, how do I find a default route that will
> >route my packets to bypass their stuff?

> Your symptoms suggest that your are basically up and running but perhaps
> have name resolution issues.

> Lack of information about your setup prevents me from offering any
> further advice.

This shouldn't be in lkml though. You need to set /etc/resolv.conf. I had
the same problem with comcast. Just dig for comcast.net NSs and add them
in your /etc/resolv.conf

- Davide

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1. DHCP vs MediaOne cable modem

i have an interesting problem...

i have mediaone cable modem service in los angeles.

client dhcp works fine both under windows and linsux, ie the machine gets its ip/nameserver/default route etc fine.

however it does *not* seem to work for my solaris sparc IPX...  if i plumb the
le0 interface and use /sbin/ifconfig le0 auto-dhcp primary, it times out every
time.

i *can* manually set the ip info, default route and access the net fine...

is there something odd about solaris client dhcp and/or dhcpagent?

im running 2.6 no patches (i just installed 2 mins ago)

any clues, i need this to work...

thanks

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