Monitoring CoS Forwarding Classes

Purpose

Note:

This topic applies only to the J-Web Application package.

View the current assignment of CoS forwarding classes to queues on the switch.

To monitor CoS forwarding classes in the J-Web interface, select Monitor > Class of Service > Forwarding Classes.

To monitor CoS forwarding classes in the CLI, enter the following CLI command:

show class-of-service forwarding-class

Table 1 summarizes key output fields for CoS forwarding classes.

Table 1: Summary of Key CoS Forwarding Class Output Fields
Field	Values
Forwarding Class	Names of forwarding classes assigned to queue numbers. The following are the default forwarding classes: best-effort—Provides no special CoS handling of packets. Loss priority is typically not carried in a CoS value. expedited-forwarding—Provides low loss, low delay, low jitter, assured bandwidth, and end-to-end service. assured-forwarding—Provides high assurance for packets within the specified service profile. Excess packets are dropped. network-control—Packets can be delayed but not dropped. EX4300 switches have the following additional default forwarding classes: mcast-be—Provides no special CoS handling of packets. mcast-ef—Provides low loss, low delay, low jitter, assured bandwidth, and end-to-end service. mcast-af—Provides high assurance for packets within the specified service profile. Excess packets are dropped. mcast-nc—Provides multicast network-control traffic.
Queue	Queue number corresponding to the forwarding class name. The default forwarding classes are assigned as follows: best-effort—0 expedited-forwarding—5 assured-forwarding—1 network-control—7 mcast-be—2 mcast-ef—4 mcast-af—6