[techtalk] MAC addr from Cable Modem

[Michael Carson]

    Aren't cable modems effectively bridges, repeating everything they see on one interface to
the other?  As such it wouldn't necessarily *have* a MAC address... (not that is doesn't, but it
might not)

C.

moebius at ip-solutions.net wrote:

> Hey Nicole,
>   I did indeed try it, that's how I came to trying arp instead, ref. in
> man pages. Neither seems to do the trick. As for the how-to's none that
> I've found have described a simple switch (modem) as opposed to a router
> like the Cisco series for DSL. Thanks for the link. I haven't seen that
> article and will check it out.
> Thanks,
>
> Harry Hoffman
> Product Systems Specialist
> Restaurants Unlimited Inc.
> Seattle WA
> 206 634-3082 ext. 270
>
> On Mon, 17 Jan 2000, Nicole Zimmerman wrote:
>
> > Have you tried it? (it doesn't sound like it) :o)
> >
> > You might try linuxconf or netconf or something that accesses your
> > network configuration also... tho if it's not in ifconfig I don't
> > know/think it'll be there.
> >
> > Have you tried looking at a howto for cable modems?
> > http://www.oswg.org/oswg-nightly/oswg/en_US.ISO_8859-1/articles/Cable-Modem/Cable-Modem.html
> >
> > -nicole
> >
> > moebius at ip-solutions.net wrote:
> > >
> > > Hey Kelly,
> > >   I don't know if that  is normally the case, however I would think that
> > > it would not be. The reason that I say this is that the cable modem is not
> > > directly connected to the computer. It is connected thru cat5 cable.
> > > ifconfig reports (I may be wrong here) on system devices only. Arp should
> > > report on it, I'm not sure what's up with that. On my network arp only
> > > reports 3 out of 4 computers MAC addr. The fourth doesn't even show up,
> > > even though it's live. Any other suggestion?? This dang thing has got me
> > > stumped.
> >
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> >
>
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