[c-nsp] Limiting BW in an HSRP set-up

[Vincent De Keyzer]

Maybe?... It's the first time I hear that, but it sounds good.

I'll look up CCO for "aggregate-policer".

Thanks

Vincent


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Tantsura, Jeff
> Sent: jeudi 29 septembre 2005 15:09
> To: 'Oliver Boehmer (oboehmer)'; Vincent De Keyzer; cisco-
> nsp at puck.nether.net
> Subject: RE: [c-nsp] Limiting BW in an HSRP set-up
> 
> Vincent
> 
> Wouldn't aggregate-policer on both .1q provide what you are looking for?
> 
> --
> Jeff Tantsura  CCIE# 11416
> Senior IP Network Engineer
> 
> 
> -----Original Message-----
> From: Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com]
> Sent: 28 September 2005 11:32
> To: Vincent De Keyzer; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] Limiting BW in an HSRP set-up
> 
> 
> > please consider the following scenario :
> >
> > *	typical datacenter with two routers running HSRP
> > *	datacenter customer with 2 servers, each being connected on one
> > dedicated (managed) ethernet port
> >
> > How do I limit bandwidth for this customer?
> >
> > I can easily limit upstream traffic, as the customer will probably
> > use the HSRP address as a default GW; hence I can rate-limit on the
> > .1q subinterface input.
> >
> > But what about downstream traffic? I have the feeling that all I can
> > do is to traffic-shape (or rate-limit) output on both .1q
> > subinterfaces, but customer might then theoretically use twice the
> > bandwidth he is paying for?
> >
> 
> I am not sure if there is an easy technical solution for this problem,
> you need a central point to enforce the policy. This can be a router
> (i.e. a single link with a policer) or the backend/accounting system
> where you add the used bandwidth on both links and bill them more if
> they use more than they bought..
> 
> 	oli
> 
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