11-07-2019 05:19 AM
Hello, I'm trying to configure simple egress priority queueing for trusted ef-marked traffic:
!
table-map TBM_DSCP2COS_VOICE
map from 46 to 6
map from 40 to 6
default copy
!
class-map match-any CLM_EF
description EF traffic
match cos 6
!
policy-map PLM_OUTPUT
class CLM_EF
priority level 1
!
policy-map PLM_TABLE_VOICE
class class-default
set cos dscp table TBM_DSCP2COS_VOICE
!
interface GigabitEthernet1/0/17
service-policy input PLM_TABLE_VOICE
service-policy output PLM_OUTPUT
!
interface GigabitEthernet5/0/11
service-policy input PLM_TABLE_VOICE
service-policy output PLM_OUTPUT
!
(5x 3650 stacked switchmembers)
But I cant see any packet matches:
#sh policy-map interface gi1/0/17
GigabitEthernet1/0/17
Service-policy input: PLM_TABLE_VOICE
Class-map: class-default (match-any)
1814 packets
Match: any
QoS Set
cos dscp table TBM_DSCP2COS_VOICE
Service-policy output: PLM_OUTPUT
queue stats for all priority classes:
Queueing
priority level 1
(total drops) 0
(bytes output) 93566
Class-map: CLM_EF (match-any)
0 packets
Match: cos 6
0 packets, 0 bytes
5 minute rate 0 bps
Priority: Strict,
Priority Level: 1
Class-map: class-default (match-any)
0 packets
Match: any
(total drops) 0
(bytes output) 641361
Although I can see COS6 packets leaving Gi1/0/17 (sh platform hardware fed ...)
Do you have any ideas?
11-07-2019 06:45 AM
I think I got it, so I answer to myself: https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-congestion-avoidance/10107-showpolicy.html
IIRC the counter only increases in case of congested interfaces.
11-07-2019 09:39 AM
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