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NetStructure™ 480T Routing Switch User Guide
QoS Monitor
The QoS monitor is a utility that monitors the hardware queues
associated with any port(s). The QoS monitor keeps track of the
number of frames and the frames per second that a specific queue is
responsible for transmitting on a physical port. Two options are
available: a real-time display, and a separate option for retrieving
information in the background and writing it to the log.
Table 10.12 describes the QoS monitor commands. For further
command options, press the Tab key in the command line interface.
Real-Time Performance Monitoring
The real-time display scrolls through the given portlist to provide
statistics. Screens for packet count and packets per second can be
chosen. The particular port being monitored at that time is indicated
by an asterisk (*) appearing after the port number in the display.
The command for real-time viewing is:
show ports {<portlist>} qosmonitor
QoS monitor sampling is configured as follows:
• The port is monitored for 20 seconds before the switch moves to
the next port in the list.
Table 10.12: QoS Monitor Commands
Command Description
disable qosmonitor Disables the QoS monitoring capability.
enable qosmonitor port [<port> | mgmt] Enables the QoS monitoring capability on
the switch. When no port is specified, the
QoS monitor automatically samples all
the ports. Error messages are logged to
the syslog if the traffic exceeds the
parameters of the QoS profile(s). The
default setting is disabled.
show ports {<portlist>} qosmonitor Displays real-time QoS statistics for one
or more ports.