Symptom

"set dlb-disable" configured with a match statement configured on the respective class. Specifically running 9.3(3) software

Conditions

N9K-C93180YC-FX running 9.3(3) software Condition 1.) Upgrading from a unaffected version i.e. 9.3(2) to 9.3(3) with `set dlb-disable` configured along with a class-map with a match statement. Upon boot of the 9.3.3 switch any interfaces that are assigned with the service-policy containing the class-map + set dlb config will have its ports err disabled. Example config: class-map type qos match-all testclass match access-group name testacl policy-map type qos testpolicy class testclass set qos-group 3 set dlb-disable switch# show int eth1/1 Ethernet1/1 is down (Internal-Fail errDisable) Condition 2.) Running 9.3(3) code and attempting to configure set dlb-disable with a class-map with a match statement. Once you attempt to apply the service-policy to the interface you'll see the following log message: switch(config-if)# service-policy type qos input testpolicy Unable to perform the action due to incompatibility: Module 1 returned status "This platform does not support the action applied" Alternatively, you can have the service-policy applied, then attempt to add the `set dlb-disable` to the policy-map and you'll see the same issue. This is because the following Cisco Nexus platform switches do not support the set-dlb-disable command: • Cisco Nexus 9200-series platform switches
 • Cisco Nexus 9300-EX/FX/FX2 platform switches
 • Cisco Nexus 9500-series platform switches with -EX and -FX line cards
 It is not supported in earlier verisons of code, but 9.3(3) is the first revision that generates an error in response to that unsupported configuration.

Workaround

Cloudscale switches/linecards do not support this command. 9.3(3) is the first revision that alerts the user of this, prior versions may allow you to configure this, but it is not supported.

Further Problem Description