[nsp] VLAN Traffic shaping not working on 6500

Tim Stevenson tstevens at cisco.com
Wed Feb 4 16:03:06 EST 2004

I have asked the PM to fix this FAQ document. Thanks,


At 05:04 AM 2/4/2004, Sam Stickland observed:
>Tim Stevenson wrote:
>> 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).
>Yes particulary with quotes like this, that show up on a few google
>"Q. Does the FWSM support traffic shaping?
>A. Traffic shaping is supported via the Catalyst 6500 line cards, which
>provide the VLAN interfaces to the FWSM.
>Q. Does the FWSM support QoS mechanisms and rate limiting?
>A. Yes, it supports all Catalyst 6500 QoS capabilities."
>    -

Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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