Viewing Queues Statistics

The Queues Statistics page displays queue statistics, including statistics of forwarded and dropped packets, based on interface, queue, and drop precedence.

NOTE     QoS Statistics are shown only when the device is in QoS Advanced Mode only. This change is made in General > QoS Properties.

To view Queues Statistics:

1. Click Quality of Service > QoS Statistics > Queues Statistics.

This page displays the following fields:

• Refresh Rate—Select the time period that passes before the interface Ethernet statistics are refreshed. The available options are:
• No Refresh—Statistics are not refreshed.
• 15 Sec—Statistics are refreshed every 15 seconds.
• 30 Sec—Statistics are refreshed every 30 seconds.
• 60 Sec—Statistics are refreshed every 60 seconds.
• Counter Set—The options are:
• Set 1—Displays the statistics for Set 1 that contains all interfaces and queues with a high DP (Drop Precedence).
• Set 2—Displays the statistics for Set 2 that contains all interfaces and queues with a low DP.
• Interface—Queue statistics are displayed for this interface.
• Queue—Packets were forwarded or tail dropped from this queue.
• Drop Precedence—Lowest drop precedence has the lowest probability of being dropped.
• Total Packets—Number of packets forwarded or tail dropped.
• Tail Drop Packets—Percentage of packets that were tail dropped.
2. Click Add.
3. Enter the parameters.
• Counter Set—Select the counter set:
• Set 1—Displays the statistics for Set 1 that contains all interfaces and queues with a high DP (Drop Precedence).
• Set 2—Displays the statistics for Set 2 that contains all interfaces and queues with a low DP.
• Interface—Queue statistics are displayed for this interface.
• Queue—Packets were forwarded or tail dropped from this queue.
• Drop Precedence—Lowest drop precedence has the lowest probability of being dropped.
• Total Packets—Number of packets forwarded or tail dropped.
• Tail Drop Packets—Percentage of packets that were tail dropped.
4. Click Add.
5. Enter the parameters.
• Counter Set—Select the counter set:
• Set 1—Displays the statistics for Set 1 that contains all interfaces and queues with a high DP (Drop Precedence).
• Set 2—Displays the statistics for Set 2 that contains all interfaces and queues with a low DP.
• Interface—Select the ports for which statistics are displayed. The options are:
• Unit No—Selects the unit number.
• Port—Selects the port on the selected unit number for which statistics are displayed.
• All Ports—Specifies that statistics are displayed for all ports.
• Queue—Select the queue for which statistics are displayed.
• Drop Precedence—Enter drop precedence that indicates the probability of being dropped.
6. Click Apply. The Queue Statistics counter is added, and the Running Configuration file is updated.