Introduction
When troubleshooting CoS related problems or testing CoS features it is often useful to be able to view the class of service of packets as they enter your router. If packets are not entering your router with the correct markings they will not be assigned to the correct forwarding class and will not receive the desired CoS treatment. Oddly, there does not seem to be a JUNOS command that displays counters of ingress markings. One way around this is to use an inbound firewall filter that matches and counts ingress packets based on their markings.
Continue reading Viewing Ingress CoS Markings on a Juniper JUNOS MX Series Router