[nsp] 6509 + MFSC2 + CAR ?

Richard J. Sears rsears at adnc.com
Wed Feb 4 15:44:44 EST 2004


We have Sup1As so there is nothing supported on these...?


On Wed, 04 Feb 2004 11:36:40 -0800
Ian Cox <icox at cisco.com> wrote:

> 
> Definitive Answer:
> 
> #1 Don't use "rate-limit" command it only effects traffic that is switched 
> by the MSFC, and for Sup2 and Sup720 that should be
> just about nothing. In latter release it has finally been removed to stop 
> confusion. It works if you make your traffic get switched by the MSFC and 
> that it not a something you want to do.
> 
> #2 Sup2 only supports input policing. Configure this feature though the 
> modular qos cli (MQC) like this:
> 
> class a1
>    match access-group 100
> policy-map test
>    class a1
>       police 10000000 312500 312500 conform-action transmit exceed-action drop
> 
> int fast 3/1
>    service-poicy input test
> 
> 
> #3 Sup720 supports input policing and output policing per vlan or per 
> logical / physical interface
> 
> #4 Shaping is only supported upon the WAN modules. FlexWAN and Enhanced 
> FlexWAN supports shaping, OSM modules support Shaping on the interfaces 
> that are connected to the PXF processors. All QoS for the WAN interfaces 
> must be configured by the MQC (aka using class and policy maps).
> 
> 
> Ian
> 
> 
> 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/
> > >
> > > _______________________________________________
> > > 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/
> >
> >
> >******************************************
> >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/


******************************************
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."



More information about the cisco-nsp mailing list