We have to trust DSCP because non-trunk ports doesn't carry CoS information. CoS is part of the dot1q tag added to the packet when it traverse through a trunk port ( or voice vlan of an access port). Servers don't tag packets & hence CoS is N/A for CUCM / CUC / CUPS / CUPC / CIPC , etc...
Can I know your reference saying """default for CUPS proxy is cs3"""" On Tue, May 8, 2012 at 7:05 AM, steven moran <smoran...@gmail.com> wrote: > if a question was to ask to apply QoS for the port connected to the CUPS > would you trust DSCP or COS on the port? Taking into account that the > default for CUPS proxy is cs3 and assuming you've applied a policy that > contains an access list to cover all the port used by CUPS. > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com <http://www.platinumplacement.com/> >
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com