Displays the stacking port congestion statistics (dropped packets) for the specified ports on the front panel.
| stack_port_list | Specifies one or more stacking ports. |
| no-refresh | Specifies a static snapshot of data instead of the default dynamic display. |
| refresh | Specifies a continuous refresh of output. |
| port-number | Displays port number instead of display string in the output of the command. |
Displays the port congestion statistics for all ports in real-time.
The bottom line in the real-time display shows keys that you can press to change the display. For example, you can clear the counters or page up or down through the list of ports.
Note
If you are displaying congestion statistics in real time and another CLI session resets the counters for a port you are monitoring, the counters displayed in your session for that port are also reset.
If you specify the no-refresh parameter, the system displays a snapshot of the data at the time you issue the command.
Note
Packets can be dropped at multiple locations along the path through the hardware. The per-port congestion counters count all dropped packets for all ports.
If you do not specify a port number or range in the command, dropped packet counts are displayed for all ports.
Note
To display the congestion statistics for the QoS (Quality of Service) profiles on a stack port, use the show ports stack-ports stack_port_list qosmonitor congestion {no-refresh | refresh} {port-number} command.
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Download EPUB# show ports stack-ports congestion
Port Congestion Monitor Fri Apr 21 13:02:37 2017
Port Link Packet
State Drop
================================================================================
1:1 R 0
1:2 R 0
1:3 A 96
1:4 R 0
2:1 R 0
2:2 A 28513
2:3 R 0
2:4 R 0
2:5 R 0
2:6 R 0
2:7 R 0
2:8 R 0
3:1 R 0
3:2 R 0
3:3 R 0
3:4 R 0
================================================================================
> indicates Port Display Name truncated past 8 characters
Link State: A-Active, R-Ready, NP-Port Not Present, L-Loopback
0->clear counters U->page up D->page down ESC->exit
This command was first available in ExtremeXOS 22.3.
This command is available on the Summit X450-G2, X460-G2, X670-G2, X770, and ExtremeSwitching X440-G2, X590, X620, X690, X870 series switches.