224.0.0.1 is also not multicast past the next hop router. They have ttl of
1. The big difference is a router knows this is multicast info for them. A
host doesn't look at it at all like it does a broadcast to see if its
looking for them.
"Jean-Michel Roberts" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi again,
>
> Sorry, but to be more specific Class D: 224.0.0.0 - 239.255.255.255.
>
> Cheers,
>
> J-M
>
> -----Original Message-----
> From: Jean-Michel Roberts [mailto:[EMAIL PROTECTED]]
> Sent: 18 December 2000 01:04
> To: 'Hunt'
> Cc: '[EMAIL PROTECTED]'
> Subject: RE: 224.0.0.1 and 255.255.255.255
>
>
> Hi,
>
> Because it's a class D address and Class D addresses are used for
> multicasting.
>
> Cheers,
>
> J-M
>
> -----Original Message-----
> From: Hunt [mailto:[EMAIL PROTECTED]]
> Sent: 18 December 2000 01:03
> To: [EMAIL PROTECTED]
> Subject: Re: 224.0.0.1 and 255.255.255.255
>
>
> Just by looking at the IP 224.0.0.1, how can you tell straight away that
it
> is a
> multicast address?
>
> Hunt
>
>
> Chuck Larrieu wrote:
>
> > 255.255.255.255 will not be passed by a router. it remains on a local
> > segment. All hosts will act upon that address, using CPU time to pass
the
> > packets up the stack.
> >
> > 224.0.0.1 is the all systems multicast group. Only those devices which
> are
> > members of the particular multicast group will take packets for that
> address
> > and pass them up the stack for action.
> >
> > Chuck
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf
Of
> > kenny
> > Sent: Monday, December 18, 2000 12:42 AM
> > To: [EMAIL PROTECTED]
> > Subject: 224.0.0.1 and 255.255.255.255
> >
> > Hi ,
> > 224.0.0.1 = all systems
> > 255.255.255.255 = broadcast
> >
> > I know that both are different BUT what is the actual difference ?
> >
> > Thanks guys
> > kenairs
> >
> > _________________________________
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