On 01/26/2012 06:47 PM, Keegan Holley wrote:

That's not exactly accurate. Cisco's kit also has some queuing setup
by default.  The details vary by platform.  Every cisco router I've
worked with defaults to trusting incoming markings rather then
rewriting them to best effort.  So the cisco default is vaguely
similar. Also, in order for someone to take advantage of this queue

No cisco router does this to my understanding, some cisco routers use TOS
values in punt path by default in attempt for rudimentary CoPP. But no
Cisco that I know or have tested has different transit scheduling per class

The 6509 and the other L3 switch platforms (not sure about the nexus)
come to mind here.  Not sure about the CRS and ASR-9k though.

I don't think the 6500 defaults to trusting incoming markings.

It does setup queueing when you "mls qos", but nothing goes into the new queues because the default port state is untrust. So it's sort of the opposite to what happens on JunOS, if I'm understanding this thread.
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