[olug] mystifying cable modem problem

[Miller, Scott L (Omaha Networks)]

ethereal = sniffer = decoding of packets received by the ethernet port of the box running ethereal.

It's another package available for many distributions...

-Scott

-----Original Message-----
From: olug-bounces at olug.org [mailto:olug-bounces at olug.org]On Behalf Of
Eric Pierce
Sent: Monday, August 30, 2004 5:01 PM
To: Omaha Linux User Group
Subject: Re: [olug] mystifying cable modem problem


--- Terry <td3201 at gmail.com> wrote:

> The motorola's have a web interface at http://192.168.100.1/    
> Can you get to this from your computer?  
Yeah, I tried accessing http://192.168.100.1, but it doesn't come up.  I meant
to check that with my father's/sister's modem, but I forgot to.

> If you are really perplexed, pull out ethereal and sniff the network
> and see if you are getting any ethernet responses from the modem at
> all.
You mean pull out the ethernet card?  I guess I don't understand what you mean
by 'ethereal'.  Please give me some more detail.

Thanks,
Eric

> 
> 
> 
> On Mon, 30 Aug 2004 07:04:50 -0700 (PDT), Eric Pierce
> <eric_olug at yahoo.com> wrote:
> > On the Toshiba, no.
> > On the Motorola SB4220, yes.  There is a pin-hole reset.  I've tried that
> to no
> > avail.
> > 
> > 
> > 
> > --- Sean Edwards <cybersean3000 at yahoo.com> wrote:
> > 
> > > Is there a reset button somewhere on your modem?  This
> > > usually does the trick for my modem after a storm.
> > >
> > > -=Sean Edwards=-
> > > cybersean3000 at yahoo.com
> > >
> > > --- Eric Pierce <eric_olug at yahoo.com> wrote:
> > >
> > > > Hi all,
> > > >
> > > > So this electrical storm we had last week (Wed. or
> > > > Thurs.?) apparently takes
> > > > out my cable modem's (Toshiba PCX2200) ethernet
> > > > port.
> > > >
> > > > Cox claims they can still ping my modem.  However,
> > > > my router nor my Linux box
> > > > (when hooked up directly to the modem) can retrieve
> > > > an IP address.  I borrow my
> > > > father's Motorola modem (SB5200? - already set up on
> > > > Cox's network) and I can
> > > > get right on the network.  Ok.  So the modem really
> > > > must be fried (afterall I
> > > > didn't have it plugged into a surge protector).
> > > >
> > > > I procure a Motorola SB4220 from a friend that (as
> > > > far as he knew) worked.  I
> > > > hook it up and call up Cox to tell them the Mac
> > > > address.  They say I'm good to
> > > > go.  Guess what?  Same problem.  They can ping my
> > > > modem but I still cannot get
> > > > an IP address no matter what.  Now what are the odds
> > > > of running across 2 cable
> > > > modems w/a bad ethernet port?  I'm baffled.
> > > >
> > > > For a santify check, I borrow my sister's modem
> > > > (also registered on Cox's
> > > > network) and I'm able to get an IP right off.
> > > >
> > > > Does anyone have any other ideas for determining
> > > > what the problem is or what
> > > > might be causing it?  Or am I on track and just need
> > > > to buy a new modem?
> > > >
> > > > And while I'm on the topic, does anyone have an
> > > > extra cable modem lying around
> > > > that they'd like to let go for a reasonable price?
> > > >
> > > > Thanks for reading,
> > > > Eric Pierce



		
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