el 10-25-2022 09:48 AM
I have configured QoS in two SWs, Nexus 3232 and Nexus 9336, the input policy is working ok, traffic is match wiht it, I can see packets inside it, but output policy isn't working, I can't see any packet that match in it, it is empty.
This is the configuration I have use.
Configuration Nexus 3232 ( it is almost same in Nexua 9336)
class-map type qos match-all class-qos-cos5
match cos 5
class-map type qos match-all class-qos-dscp40
match dscp 40
class-map type qos match-all class-qos-dscp46
match dscp 46
policy-map type qos custom-global-in-policy
class class-qos-cos5
set qos-group 3
class class-qos-dscp40
set qos-group 3
class class-qos-dscp46
set qos-group 3
class class-default
policy-map type queuing custom-global-out-policy
class type queuing c-out-q3
priority level 1
queue-limit dynamic 0
shape min 5000 mbps max 5000 mbps
class type queuing c-out-q2
bandwidth remaining percent 0
class type queuing c-out-q1
bandwidth remaining percent 0
class type queuing c-out-q-default
bandwidth remaining percent 100
hardware access-list tcam region racl-lite 512
hardware access-list tcam region qos 256
interface port-channel2
description SWSCP-CPD-AGG
switchport
switchport mode trunk
switchport trunk allowed vlan 1-8,14-15,18-20,30,35,37,42-43,47-48,70-79,83-97,100,310-311,313-314,340,399,409-410,500,510,600,700-723,990
spanning-tree port type network
logging event port link-status
logging event port trunk-status
mtu 9216
speed 100000
no negotiate auto
storm-control broadcast level 3.00
storm-control multicast level 3.00
service-policy type qos input custom-global-in-policy
service-policy type queuing output custom-global-out-policy
vpc 2
Can you help me please
Thanks
el 10-26-2022 12:10 AM
Today I did a capture of service policy output
SWSCP-CPD-ACC-2#
SWSCP-CPD-ACC-2# sh policy-map interface port-channel 100 output type queuing detail
Global statistics status : enabled
port-channel100
Service-policy (queuing) output: custom-global-out-policy
SNMP Policy Index: 301992672
Class-map (queuing): c-out-q3 (match-any)
priority level 1
queue-limit dynamic 0
shape min 5000 mbps max 5000 mbps
queue dropped pkts : 238871
queue depth in bytes : 0
Ingress queue discard packets : 0
Ingress queue depth in bytes : 0
ECN marked packets: 0
Class-map (queuing): c-out-q2 (match-any)
bandwidth remaining percent 0
queue dropped pkts : 0
queue depth in bytes : 0
Ingress queue discard packets : 0
Ingress queue depth in bytes : 0
ECN marked packets: 0
Class-map (queuing): c-out-q1 (match-any)
bandwidth remaining percent 0
queue dropped pkts : 0
queue depth in bytes : 0
Ingress queue discard packets : 0
Ingress queue depth in bytes : 0
ECN marked packets: 0
Class-map (queuing): c-out-q-default (match-any)
bandwidth remaining percent 100
queue dropped pkts : 0
queue depth in bytes : 0
Ingress queue discard packets : 0
Ingress queue depth in bytes : 0
ECN marked packets: 0
I can see the q3 has packets droops. Is that normal or must another queue has packets?
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