Does the "SNMP packets input" display from "show snmp" command have what you are looking for?

Is there something about the packet headers and C1111 config that is forcing a punt and process switching? As you surmise Joe, 400msec is way too long for a packet being forwarded in a fast path (ie, CEF), even for CPU forwarding.

I would not expect the complexity of a configurable (DAC rate, FEC, frequency, chromatic dispersion, transmit power) 400G coherent optic to be plug & play in a host platform in which it has not been tested before. I would expect that TAC will trouble...

The Cisco 400G QSFP-DD coherent optics data sheet claims multi-vendor interoperability:"Extensive system-level testing and unmatched technical expertise enable Cisco optics to be successfully used across Cisco as well as multivendor platforms." AFAIK...

Hi @maya davidson I believe the basic misunderstanding here is that there will be queueing, and queueing delays, in the absence of congestion. In our case here, the arrival rate at the ingress interface equals the service (transmission) rate at the e...