[c-nsp] shaping: which platform to choose and where to place

[jp]

I'd investigate a Mikrotik OS on a PC for shaping. We're using a 533mhz 
PC to manage about 50mbps of real life Internet bandwith with ease. 
(limiting p2p, firewalling certain things, static routing) I'm sure a 
faster machine with gig-E ethernet could run circles around it.

On Wed, Oct 03, 2007 at 07:00:20PM +0400, Roman Bestuzhev wrote:
> Hello,
> 
> I am looking for bandwidth shaping hardware platform in order to restrict
> bandwidth for 200-500 customers which are connected to cisco based network
> (3550/2950 switches). There is no speed limit inside campus LAN but only for
> connection to Internet. Internet connection is provided by 2 ISPs which are
> connected to campus LAN via two border routers (currently cisco 2811 an
> Linux-box). I am looking for something which could handle 100-200 Mbps and
> shape 300-500 customers (300 - 500 different classes of traffic which can be
> single IP address or IP subnets).
> 
> My question is what platform to choose in my case. I have experience with
> Linux-boxes which perform shaping very well on speed 10-20 Mbit/s having
> just doesen static routes. But I am not sure how good they are in case of
> 100-200 Mbit/s. Are there another platforms (Cisco and other vendors) which
> could shape such amount of customers on 100 Mbit/s and higher speeds?
> 
> In case of cisco I am thinking about 7200 router. Can anybody tell what
> number of shapers/policers are supported on 2811 and 7200 and how well could
> 7200 perform shaping of such amount of customers on that speed in real
> environment? Is it also a good practice to place shaping and possibly NAT on
> the border router with BGP full view or there should be separated devices
> for each function?
> 
> What are another platforms which I can use as separate shaper device? I
> heard about packeteer but I don't know about their products much.
> 
> 
> Thanks in advance,
> 
> -- 
> Roman Bestuzhev,
> System Administrator

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