Hi. Thanks viewing my post!
I'm trying out some QoS configuration for a VDI deployment and have a problem with our 6509 switches not marking the traffic (possibly user error)..
As VDI solutions don't seem to have the ability to mark traffic at the server or client (unlike phones system server/clients etc) I've had to resort to marking traffic on the access switches.
At the moment, as a test, I'm just trying to mark telnet traffic with a dscp value of 34 (af41). I am seeing hits on the access-lists but the policy-map PCoIP_Set_AF41 doesn't seem to be setting the dscp value to 34 as I want.
Please could somebody advise where I'm going wrong or provide some troubleshooting tips?
access-list 100 permit tcp any any eq telnet
class-map match-all PCOIP-IN
match access-group 100
set dscp af41
*** output omitted ***
standby 33 preempt
service-policy input PCoIP_Set_AF41
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On a 6500, if you use a VLAN based policy, I believe you're supposed to configure the physical port to use the policy attached to the VLAN interface. You can also apply policies, I also believe, to the physical interfaces, but with pre-sup2Ts, you exceed some QoS limits if you don't use VLAN based policies.
If your WAN router supports HQF, I would recommend something like:
Policy Map WAN_QoS
priority percent 33
bandwidth remaining percent 99
fair-queue !or not, i.e. optional
bandwidth remaining percent 1
If your router doesn't support HQF, would suggest upgrading to an IOS that does.