Working on it for 2 days. Posting this message, found https://supportforums.cisco.com/t5/lan-switching-and-routing/nexus-3000-qos-traffic-shaping/td-p/2532476 20 minutes after...
Problem seems to be solved... Regards Cédric 2018-02-26 10:14 GMT+01:00 BASSAGET Cédric <[email protected]>: > Hello, > I'm trying to make QoS work on a NX3064. I'm not able to make it work in > the simpliest lab ever... Can anybody tell me what's wrong ? > > I need to prioritize DSCP EF marked trafic from host B to host A. > > Host B (192.168.41.2) <-> NX eth1/48 vlan 41 > Host A (192.168.41.1) <-> NX eth1/24 vlan 41 > > Host B is 1Gb/s > Host A is 100Mb/s > > show run : > > class-map type qos match-all qos-match-prio > match dscp 46 > class-map type queuing qos-queue-prio > match qos-group 1 > > policy-map type qos qos-match-trafic > class qos-match-prio > set qos-group 1 > class class-default > policy-map type queuing qos-queue-trafic > class type queuing qos-queue-prio > priority > class type queuing class-default > shape kbps 50000 > > interface Ethernet1/24 > switchport mode trunk > switchport trunk allowed vlan 41 > speed 100 > duplex full > bandwidth 100000 > service-policy type queuing output qos-queue-trafic > interface Ethernet1/48 > switchport mode trunk > switchport trunk allowed vlan 41 > service-policy type qos input qos-match-trafic > > > Using iperf from host B to host A (udp, bandwidth = 110Mb/s), I get 50 > mb/s of trafic on host A. Normal. > > Trying to ping from host B to host A : ping -Q 0xB8 192.168.41.1 : about > 50% loss. Here's my problem. > > show policy-map on ingress interface show that my icmp trafic is > classified and attached to qos-group 1 : > > N3K-eqx-pa3-1# show policy-map interface ethernet 1/48 type qos > > Global statistics status : enabled > Global QoS policy statistics status : enabled > > Ethernet1/48 > > Service-policy (qos) input: qos-match-trafic > SNMP Policy Index: 285213088 > > Class-map (qos): qos-match-prio (match-all) > > Slot 1 > 6845 packets > Aggregate forwarded : > 6845 packets > Match: dscp 46 > set qos-group 1 > > Class-map (qos): class-default (match-any) > > Slot 1 > 12776799 packets > Aggregate forwarded : > 12776799 packets > Match: any > 12776799 packets > set qos-group 0 > > > N3K-eqx-pa3-1# show policy-map interface ethernet 1/24 type queuing > > Global statistics status : enabled > Global QoS policy statistics status : enabled > > Ethernet1/24 > > Service-policy (queuing) input: default-in-policy > SNMP Policy Index: 301990027 > > Class-map (queuing): class-default (match-any) > bandwidth percent 100 > queue dropped pkts : 0 > queue depth in bytes : 0 > > Service-policy (queuing) output: qos-queue-trafic > SNMP Policy Index: 301990282 > > Class-map (queuing): qos-queue-prio (match-any) > priority level 1 > queue dropped pkts : 0 > queue depth in bytes : 0 > > Class-map (queuing): class-default (match-any) > bandwidth percent 100 > shape kbps 50000 min 0 > queue dropped pkts : 0 > queue depth in bytes : 0 > > I don't see any stats here ... > > Thanks for your help. > Regards > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
