[nsp] 6509 + MFSC2 + CAR ?

Wed Feb 4 16:36:55 EST 2004

At 10:52 PM 2/4/2004 +0200, Konstantin Barinov wrote:

>IC> #2 Sup2 only supports input policing. Configure this feature though the
>IC> modular qos cli (MQC) like this:
>
>On physical interface? And on SVI too?
>

Yes, depending upon the QoS mode of the ingress port.

Ian

>br
>--
>Konstantin Barinov
>INFONET AS, Tallinn, Estonia
>
>
>Wednesday, February 4, 2004, 9:36:40 PM, you wrote:
>
>
>IC> Definitive Answer:
>
>IC> #1 Don't use "rate-limit" command it only effects traffic that is switched
>IC> by the MSFC, and for Sup2 and Sup720 that should be
>IC> just about nothing. In latter release it has finally been removed to stop
>IC> confusion. It works if you make your traffic get switched by the MSFC and
>IC> that it not a something you want to do.
>
>
>IC> class a1
>IC>    match access-group 100
>IC> policy-map test
>IC>    class a1
>IC>       police 10000000 312500 312500 conform-action transmit 
>exceed-action drop
>
>IC> int fast 3/1
>IC>    service-poicy input test
>
>
>IC> #3 Sup720 supports input policing and output policing per vlan or per
>IC> logical / physical interface
>
>IC> #4 Shaping is only supported upon the WAN modules. FlexWAN and Enhanced
>IC> FlexWAN supports shaping, OSM modules support Shaping on the interfaces
>IC> that are connected to the PXF processors. All QoS for the WAN interfaces
>IC> must be configured by the MQC (aka using class and policy maps).
>
>
>IC> Ian
>
>
>IC> At 11:11 AM 2/4/2004 -0800, Richard J. Sears wrote:
> >>Yes - I did read that - however there is a difference of opinion in
> >>relation to if any of it works at all.
> >>
> >>On one hand, I have people telling me that the 6509 does not support any
> >>type of shaping/rate limiting/etc, and then I have people telling me
> >>that it does.
> >>
> >>What I am asking for is an example of a working config - thats all.
> >>
> >>I have yet to see one that actually works leading me to believe that the
> >>folks who have told me it simply does not work are correct.
> >>
> >>Thanks
> >>
> >>On Wed, 4 Feb 2004 13:43:33 -0500
> >>Jason Lixfeld <jason at lixfeld.ca> wrote:
> >>
> >> > There was a thread about this yesterday.  From that thread:
> >> >
> >> > 6500 does not do any *shaping*, it does policing/rate limiting. In other
> >> > words, we won't "smooth out a bursty flow" by buffering traffic, we
> >> > basically put a hard cap on usage.
> >> >
> >> > Both sup1 & sup2 support *ingress* policing only, and you need to make
> >> > sure you are using the right combination of CLI commands to accomplish
> >> > this, otherwise it won't work or won't work as expected. There should be
> >> > some example configs on cisco.com in the support area, or use the config
> >> > guide (which admittedly can be a bit hard to follow).
> >> >
> >> > Sup720 supports ingress & egress policing, but do note on egress that it
> >> > is aggregate policing only and only on a per-routed (L3) interface or
> >> > per VLAN basis only, *not* on a per-Layer 2 switch port basis.
> >> >
> >> >
> >> > On Feb 4, 2004, at 1:28 PM, Richard J. Sears wrote:
> >> >
> >> > > Hello Everyone,
> >> > >
> >> > > I have spent a bunch of time reading all the entries I could find
> >> > > pertaining
> >> > > to 6509's and CAR. Several people have claimed to
> >> > > get it working:
> >> > >
> >> > > ***snip***
> >> > >
> >> > > ...but I know a number of people who use 6500s+MSFCs solely for the
> >> > > purpose of utilizing CAR to traffic-shape their customers
> >> > > and they're all quite pleased.
> >> > >
> >> > > ***snip***
> >> > >
> >> > > and yet other claim Cisco told them it would not work at all due to
> >> > > the PFC.
> >> > >
> >> > > I am looking for someone who can tell me if CAR will work on 6509's
> >> > > and if they have it working, exactly how they got it to work. I see
> >> > > some references to policers on the PFC as a work around, and would
> >> > > like more information on that if someone has it.
> >> > >
> >> > > Here is my config that I am trying to make work:
> >> > >
> >> > > (CEF is enabled on the port and on the switch)
> >> > >
> >> > >
> >> > > interface FastEthernet3/5
> >> > >  description Connection to Chris's Office Linux Box
> >> > >  ip address 10.10.50.1 255.255.255.252
> >> > >  rate-limit input 1000000 50000 50000 conform-action transmit
> >> > > exceed-action drop
> >> > >  rate-limit output 1000000 50000 50000 conform-action transmit
> >> > > exceed-action drop
> >> > >  load-interval 30
> >> > >  no cdp enable
> >> > >
> >> > > Hence to say, that I can merrily download via ftp from that box at 10
> >> > > to 15mbps all day long and a sh int rate-limit does not show any hits.
> >> > >
> >> > > My goal is to rate-limit colo customers attached to our 6509 switches,
> >> > > and any help would be greatly appreciated.
> >> > >
> >> > > Our 6509's are configured with Sup1A w/MFSC2s and 256MB RAM each. We
> >> > > are
> >> > > running IOS only on the 6509's (no Cat Code).
> >> > >
> >> > > My goal is to rate limit my colo customers both inbound and 
> outbound so
> >> > > they cannot use more bandwidth then they want and hence not get a huge
> >> > > bill.
> >> > >
> >> > >
> >> > >
> >> > > Any help would be greatly appreciated.
> >> > >
> >> > > Thanks
> >> > >
> >> > >
> >> > > ******************************************
> >> > > Richard J. Sears
> >> > > Vice President
> >> > > American Digital Network
> >> > > ----------------------------------------------------
> >> > > rsears at adnc.com
> >> > > http://www.adnc.com
> >> > > ----------------------------------------------------
> >> > > 858.576.4272 - Phone
> >> > > 858.427.2401 - Fax
> >> > > ----------------------------------------------------
> >> > >
> >> > > I fly because it releases my mind
> >> > > from the tyranny of petty things . .
> >> > >
> >> > >
> >> > > "Work like you don't need the money, love like you've
> >> > > never been hurt and dance like you do when nobody's
> >> > > watching."
> >> > >
> >> > >
> >> > > _______________________________________________
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> >> >
> >> > _______________________________________________
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> >>
> >>
> >>******************************************
> >>Richard J. Sears
> >>Vice President
> >>American Digital Network
> >>----------------------------------------------------
> >>rsears at adnc.com
> >>http://www.adnc.com
> >>----------------------------------------------------
> >>858.576.4272 - Phone
> >>858.427.2401 - Fax
> >>----------------------------------------------------
> >>
> >>I fly because it releases my mind
> >>from the tyranny of petty things . .
> >>
> >>
> >>"Work like you don't need the money, love like you've
> >>never been hurt and dance like you do when nobody's
> >>watching."
> >>
> >>_______________________________________________
> >>cisco-nsp mailing list  cisco-nsp at puck.nether.net
> >>https://puck.nether.net/mailman/listinfo/cisco-nsp
> >>archive at http://puck.nether.net/pipermail/cisco-nsp/
>
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