Ahh yes. now the confusion starts on layer 3 switching.. :)
"Jared Carter" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Actually the idea of "Route Once Switch Many" refers to MultiLayer
Switching
> (MLS). Layer 3 switching is really just routing...
>
> -----Original Message-----
> From: William Wong [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, October 03, 2000 1:39 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Layer 2 switching and Layer 3
>
>
> Hi Russ
>
> Layer 3 switching is actually use the concept of "route once, switch
many".
>
> Its mean that the first packet is go through the route processor and the
> subsequence packets is "switch" over to the destination port.
>
> Layer 3 routing which is every packets is process by the router.
>
>
> ""Russell Lusignan"" <[EMAIL PROTECTED]> wrote in message
> 8r88h9$hp8$[EMAIL PROTECTED]">news:8r88h9$hp8$[EMAIL PROTECTED]...
> > Layer 2 switching makes intelligent forwarding decisions based on MAC
> > addresses. For example, if HostA is on port 1, and HostB is on port 2,
and
> > HostA sends a packet for HostB, the switch will only pass the traffic
> > between those 2 ports (unless it's a broadcast).
> >
> > Layer 3 switching is basically a Router. It makes intelligent forwarding
> > decisions based on the Network address, ie: IP address or IPX address. A
> > layer 3 switch is basically a router with a lot of ethernet ports. Those
> > ports can be divided up into VLANs and can route without the help of an
> > external router or Route Switch Module for the Catalyst swtich.
> >
> > There is a lot of confusion out there about layer 3 switching, vendors
> will
> > brag about their product being able to do layer 3 switching etc..
> Basically
> > all they mean is that their product has routing (intelligent forwarding
of
> > layer 3 addresses) built into their box, without the use of an external
> > router or module!
> >
> > Hope that helps!
> > Russ..
> >
> > ""kenny"" <[EMAIL PROTECTED]> wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Hi all ,
> > > Anyone care to explain the difference between Layer 2 and Layer 3
> > switching ?
> > >
> > > Regards
> > > ken
> > >
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