[wellylug] Nightmares on Paradise (solved)

[Nigel Roberts]

Yes and no.

There are Com21 CMTSs and DOCSIS CMTSs (where CMTS is Cable Modem
Termination System) and they both connect to the same physical
network. The head end is effectively the same for both, but they
operate at different frequencies.

On Wed, 11 Aug 2004 at 15:35:24 +1200, Chris Hodgetts wrote:

> I always understood there was two Head Ends for both modem networks...
> 
> On Wed, 2004-08-11 at 15:15, Nigel Roberts wrote:
> > This is exactly right.
> > 
> > Since each technology (Com21 and DOCSIS) use different equipment at
> > both ends, they are in fact seperate at layer 2 which means they must
> > be seperate at layer 3.
> > 
> > They could be combined together, but why make a broadcast domain any
> > larger than it needs to be? :)
> > 
> > On Wed, 11 Aug 2004 at 14:29:38 +1200, Sam Cannell wrote:
> > 
> > > On Wed, 11 Aug 2004 11:30:41 +1200, Donald Gordon <don at dis.org.nz> wrote:
> > > 
> > > > On a vaguely related note, did they change your IP address when they
> > > > swapped your COM21 modem for a DOCSIS?
> > > > 
> > > > donald (whose COM21 is still plugged into an ISA NE2000 clone)
> > > 
> > > My understanding is that there are separate subnets for Docsis and
> > > Com21 users - I believe that anyone migrated from Com21 to Docsis will
> > > have their address changed.
> > > 
> > > 
> > > -- 
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> > > To Leave:  http://lists.naos.co.nz/mailman/listinfo/wellylug
> > 
> 
> 
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