[svlug] No IP address from a Comcast Arris TM502G cable modem

[Richard Sharpe]

On Sun, 1 Jun 2008, Christian Einfeldt wrote:

> With the telephone support of two of the more able members our local LUG, I
> spent about 8 hours yesterday attempting to hook up a low-income family with
> a Hardy machine on Comcast service.  The problem is the Arris TM502G cable
> modem.  The modem will not hand out an IP address.  I am going to try this
> workaround today, but I am not optimistic about it working:
>
> http://www.dslreports.com/forum/r19742633-
>
> The Hardy install is able to see the Arris modem over Firefox and by pinging
> 192.168.100.1.  When I enter that number into Firefox, Firefox displays the
> Arris status page (although there are no pages for changing settings on the
> modem, which might be a "feature" [bug] of the modem that caused Comcast to
> choose that modem, since it is not easy to modify by the end user.  The
> status page reveals details as to when the modem has been rebooted, etc., so
> it is clear that this information is live and real, and not generic.  Also I
> am able to ping the modem at 192.168.100.1.  Further, Comcast says that they
> are able to see the modem, and Comcast reps have been able to reboot the
> modem remotely upon my request.

So what is wrong with using statically allocated IP addresses on that 
network?

Hand them a sheet of paper with instructions. If the 12-yo is any good, he 
will be able to set up the IP addresses for any future machines.

Regards
-------
Richard Sharpe, rsharpe[at]richardsharpe.com, rsharpe[at]samba.org,
sharpe[at]ethereal.com, http://www.richardsharpe.com