[c-nsp] Cisco Layer 3 Switch Recommendation

[Nicolaj Ottsen]

Guess this list is populated by router people :)

There is no doubt in my mind that the best choice for Guy is a Cisco
6500 with sup-720. It supports all the feautures specified at a fair
price. I offeres the posibility of adding redundancy for the supervisor
and increaced performance by using dCEF cards. PXF3blx can by used if
500 MB memory is no enough. We use this box for many different tasks and
it keeps making me happy. Actually, we have one box with appx 50 EBGP
peers and 2 IBGP moving about 500 Mbit, just like Guys senario, and its
not working at all ...

CPU utilization for five seconds: 0%/0%; one minute: 4%; five minutes:
4%

I find this router/switch discussion a little beside the point, use the
right tool for the job. If you don't need more that the switch can offer
buy that, its a lot cheaper, otherwise buy a router.

To supplement Gert I would call a router a thing that does L3 really
well, but does't do L2 at all :)

/Nicolaj


 

> -----Original Message-----
> From: Gert Doering [mailto:gert at greenie.muc.de] 
> Sent: 11. november 2004 23:09
> To: Randy Bush
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Cisco Layer 3 Switch Recommendation
> 
> Hi,
> 
> On Thu, Nov 11, 2004 at 01:35:22PM -0800, Randy Bush wrote:
> > ok, i gotta ask.  'switches' do layers 3 & 4 (bgp, ...).  
> 'routers do 
> > layer 2 (atm, atmv2, ...).  so what is the technical difference 
> > between a router and a switch?
> 
> A switch is much faster!!!1!!
> 
> Seriously speaking, the terminology has been confused beyond 
> any repair.
> 
> I tend to call things "switch" when they do L2 things, and "routers"
> when they do L3 things.  
> 
> "L3 switches" are "hardware thingies that are not very good 
> at L3 things (but fast)"...
> 
> gert
> --
> USENET is *not* the non-clickable part of WWW!
>                                                            
> //www.muc.de/~gert/
> Gert Doering - Munich, Germany                             
> gert at greenie.muc.de
> fax: +49-89-35655025                        
> gert at net.informatik.tu-muenchen.de
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