[nsp] 6509 + MFSC2 + CAR ?

Wed Feb 4 17:26:52 EST 2004

And what does pxf-based 7304 do? Shaping on policing? Ingress only or both?

Is it more sophisticated in terms of QOS?

--
Konstantin Barinov
INFONET AS, Tallinn, Estonia

Wednesday, February 4, 2004, 11:36:55 PM, you wrote:

IC> 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?
>>

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

IC> 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."
>> >> > >
>> >> > >
>> >> > > _______________________________________________
>> >> > > 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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>> >>
>> >>
>> >>******************************************
>> >>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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