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show buffer

Updated March 1, 2022. Written for LMS Version 6.2.

Displays buffer data from the modem or device. This can be helpful in debugging device issues. Data is stored in a 1 MB current buffer; when this buffer fills, it is renamed previous and a new current buffer is created. A timestamp is added to the log when more than 5 minutes has occurred between entries. The buffers are memory-resident and reset when the Lantronix is restarted.

Command availability

CLI resource: port, modem, powercontrol

Device makes: All

Modem: All

Power controllers: All

Lantronix system: All

LMS offerings: All


show buffer [-raw | -previous]

The command show buffer displays the most recent 1 MB of data. Use the optional -previous parameter to view the previous buffer.

Use the optional -raw parameter to display the buffer contents without additional formatting.

You may wish to redirect the output of this command to a file copied to an external system.

show buffer [| <scp | ftp | mailto>  username@host:/filepath/ ]


[admin@LantronixLM (port1/1)]# show buffer
> ==== Began Wed Mar 21 10:38:52 UTC 2017 ====
> 3/19/2017-20:25:15.433 -10- CT3 CONFIG ICSLOT TE1[5] timeslotMap changed
> 3/19/2017-20:25:15.333 -10- CT3 CONFIG ICSLOT TE1[4] timeslotMap changed
> 3/19/2017-20:25:15.299 -10- CT3 CONFIG ICSLOT TE1[3] timeslotMap changed
> 3/19/2017-20:25:15.199 -10- CT3 STATUS ICSLOT TE1[28] lineStatus : RAIS (end)
> 3/19/2017-20:25:15. 83 -10- CT3 STATUS ICSLOT TE1[27] lineStatus : RAIS (end)
> 3/19/2017-20:25:14.983 -10- CT3 STATUS ICSLOT TE1[26] lineStatus : RAIS (end)
> 3/19/2017-20:25:14.883 -10- CT3 STATUS ICSLOT TE1[25] lineStatus : RAIS (end)
> 3/19/2017-20:25:14.799 -10- CT3 STATUS ICSLOT TE1[24] lineStatus : RAIS (end)
---Press 'q' to quit, any other key to continue--- [1/971]


3.1 - This command was introduced.

3.2 - The -previous option was added.

Related Commands


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