I am looking for a workable configuration, which will put some traffic to qos-group1 (infact any non qos-group0) at the FEX HIF facing Server (egress from HIF to server). On all the switches, within the fabric, i have a policy to set qos-group 1 for all traffic with dscp 10 tag. And it is working fine.
policy-map type qos pm_qos_marking
class class-default
set qos-group 1
set dscp 10
Now what i want to achieve is, when it exits out of FEX HIF, i want this traffic to be seen in qos-group 1 queueue. But as below, all are hitting qos-group0
N9K(config)# show queuing interface ethernet 101/1/1
Queue limit: 2096640 bytes
Queue Statistics:
queue rx tx flags
------+---------------+---------------+-----
0 0 235967 ctrl
1 95086 0 ctrl
2 38221009 1808385421 data
3 0 0 data
4 0 0 data
5 0 0 data
I even followed the below link and configured as below
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/92x/qos/configuration/guide/b-cisco-nexus-9000-nx-os-quality-of-service-configuration-guide-92x/b-cisco-nexus-9000-nx-os-quality-of-service-configuration-guide-92x_appendix_01110....
policy-map type qos cos_qosgroup
class cos0
set qos-group 1
class cos1
set qos-group 2
class cos3
set qos-group 3
system qos
service-policy type qos input cos_qosgroup
After configuring above, i expected to see the cos values mapped to respective qos-groups based on above configuration. But it did not. Please see below. All COS values are still mapped to qos-group0
show queuing interface ethernet 101/1/1
<truncated>
Queueing:
queue qos-group cos priority bandwidth mtu
--------+------------+--------------+---------+---------+----
ctrl-hi n/a 7 PRI 0 2400
ctrl-lo n/a 7 PRI 0 2400
2 0 0 1 2 3 4 5 6 WRR 100 9280
3 1 WRR 0 9280
4 2 WRR 0 9280
5 3 PRI 0 9280
So can some Nexus QOS experts help to clarify, how i can move some traffic (preferably dscp tagged, becuase not all of our servers have trunk enabled) from qos-group 0 to qos-group 1 on the FEX HIF egress?
Parent Switch Model: N9K-C9336C-FX2
OS Version : 9.2(3)
FEX model: N2K-C2348UPQ-10GE