show tech-support

Displays technical support information.
Syntax
show tech-support [ cancel ]
Parameters
cancel
Cancels previous invocations of the show tech-support command.
Modes

User EXEC mode

Usage Guidelines

The show tech support command can produce extensive output.

Note: If the output file generated by this command exceeds 100 MB, some required data may not be captured.
Examples

The following example cancels previous invocations of the show tech-support command.

device# show tech-support 
Gathering Show Output,  This may take a while ...
^C
'show tech' cancelled through Ctrl-C.
Please run 'show tech cancel' command before collecting 'show tech' again
device# show tech cancel
Cancelling..it may take a while
Successfully Cancelled
device#
Note: Press Control-c to cancel the running tech-support session and run show tech cancel command before running the show tech-support command again.

The following example output for the show tech-support command, including information about about optical monitor cached data.

device# show tech-support
Gathering Show Output,  This may take a while ...
Disable page display mode
=======================================================================
BEGIN: show web
TIME STAMP:  Fri Apr 19 02:20:56 2024

=======================================================================
HTTP server status: Disabled
HTTPS server status: Disabled
No web connection.
=======================================================================
TIME STAMP:  Fri Apr 19 02:20:56 2024

END: show web
=======================================================================
=======================================================================

BEGIN: show optic
TIME STAMP:  Fri Apr 19 02:20:56 2024

=======================================================================
Optical monitoring is not enabled for down Port 1/1/1.
Optical monitoring is not enabled for down Port 1/1/2.
Optic is not present on port 1/1/3
Optic is not present on port 1/1/4
Port 1/1/5 is copper and not capable of optical monitoring
Optic is not present on port 1/1/6
Optic is not present on port 1/1/7
Optic is not present on port 1/1/8
Optic is not present on port 1/1/9
Optic is not present on port 1/1/10
Port 1/1/11 is copper and not capable of optical monitoring
Optic is not present on port 1/1/12
Optic is not present on port 1/1/13
Optic is not present on port 1/1/14
Optic is not present on port 1/1/15
Optic is not present on port 1/1/16
Optic is not present on port 1/1/17
Optic is not present on port 1/1/18
Optic is not present on port 1/1/19
Optic is not present on port 1/1/20
 Port   Temperature    Voltage       Tx Power      Rx Power    Tx Bias Current
+-----+-------------+-------------+-------------+-------------+---------------+
1/1/21   29.8320 C    3.3318 volts  -002.2511 dBm   -002.0398 dBm     5.712 mA
        Normal          Normal       Normal         Normal         Normal

Optic is not present on port 1/1/22
Optic is not present on port 1/1/23
Optic is not present on port 1/1/24
Optical monitoring is not enabled for down Port 1/1/25.
Optic is not present on port 1/1/26
Optical monitoring is not enabled for down Port 1/1/27.
Optic is not present on port 1/1/28
Optical monitoring is not enabled for down Port 1/1/29.
Optic is not present on port 1/1/30
Optical monitoring is not enabled for down Port 1/1/31.
Optic is not present on port 1/1/32
Port 1/1/33 is copper and not capable of optical monitoring
Port 1/1/34 is copper and not capable of optical monitoring
Optic is not present on port 1/1/35
Port 1/1/36 is copper and not capable of optical monitoring
Optic is not present on port 1/1/37
Optic is not present on port 1/1/38
Optic is not present on port 1/1/39
Optic is not present on port 1/1/40
Optic is not present on port 1/1/41
Optic is not present on port 1/1/42
Optic is not present on port 1/1/43
Optic is not present on port 1/1/44
Optic is not present on port 1/1/45
Optic is not present on port 1/1/46
Optic is not present on port 1/1/47
Optic is not present on port 1/1/48
Port 1/2/1 is copper and not capable of optical monitoring
Optic is not present on port 1/2/2
Optic is not present on port 1/2/3
Port 1/2/4 media is invalid

                         100GBASE-SR4
                        ==================
 Port   Temperature    Voltage       Tx Power      Rx Power    Tx Bias Current
+-----+-------------+-------------+-------------+-------------+---------------+
1/2/5   31.8203 C    3.2178 volts  -000.0208 dBm   -000.5197 dBm     7.494 mA
        Normal          Normal       Normal         Normal         Normal

 Chan Rx Power #1  Rx Power #2    Rx Power #3    Rx Power #4
+----+-----------+--------------+--------------+---------------+
    -000.5197 dBm  -000.6243 dBm  -000.5462 dBm  -000.9323 dBm
        Normal         Normal         Normal         Normal

 Chan  Tx Bias #1   Tx Bias #2     Tx Bias #3     Tx Bias #4
+----+-----------+--------------+--------------+---------------+
       7.494 mA       7.494 mA       7.494 mA       7.494 mA
        Normal         Normal         Normal         Normal

 Chan Tx Power #1  Tx Power #2    Tx Power #3    Tx Power #4
+----+-----------+--------------+--------------+---------------+
    -000.0208 dBm  -000.1376 dBm  -000.1112 dBm  -000.1596 dBm
        Normal         Normal         Normal         Normal

Optic is not present on port 1/2/6
Optic is not present on port 1/2/7
Optic is not present on port 1/2/8
...
History
Release version Command history
08.0.50 This command was introduced.
09.0.00 The acl, cluster, cpu, l2, l3, license, memory, multicast, multicast6, openflow, packet-loss, poe, and stack options are deprecated but data for these parameters is included in the output.
10.0.10f Information about optical monitor cached data is included in the command output.
Parent topic: Show Commands