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Re: Layer3 Routers VS Switches [7:63072] posted 02/16/2003
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At 12:22 PM 2/15/2003 +0000, Juntao wrote:
>indeed with L3 switching, we can more closely arrive at wire speed, but in
>the course of my practice, i seen L3 switches mainly interconnecting Lan's,
>yes a flexwan modul exists to interconnect wan's on the same box but usually
>we like to separate the lan's from wans for the sack of issolation and
>greater security implementation options.

Routers have delivered OC-192 wire speed routing for a few years now.  I 
personally don't know what an L3 switch is technically.  It reminds me of 
the L2 switch.  Just another bit of marketing.


>i hope the above helps
>
>""Larry Letterman""  a icrit dans le message de news:
>200302150714.HAA14155@xxxxxxxxxxxxxxxxx
> > L3 is usually considered to be wire speed and uses faster
> > asics...
> > Routers such as 7200/7500 use older slower hardware to
> > route...
> >
> >
> >
> > Larry Letterman
> > Network Engineer
> > Cisco Systems
> >
> >
> > ----- Original Message -----
> > From: "Nanda"
> > To:
> > Sent: Friday, February 14, 2003 4:46 PM
> > Subject: Layer3 Routers VS Switches [7:63072]
> >
> >
> > > Hi Guys...
> > >
> > > We have Layer3 Switches and routers...In what scenario one
> > would ideally use
> > > Layer3 switches over routers..
> > > Do They have any significant advantage over using
> > routers....
> > > Why do they have layer3 switches when we have routers are
> > good enough to do
> > > the job...
> > > I am confused...I wud appreciate if someone cud clarify.
> > >
> > > Thanks in Advance!!!!
> > > ______________________________________________
> > > With Warm Regards...
> > > Nanda
> > abuse@xxxxxxxxxxxxxx




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