Yealink T21PE2 User Manual

Troubleshooting Methods
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Troubleshooting Methods
Yealink IP phones provide feedback in a variety of forms such as log files, packets, status indicators and so on, which
can help you more easily find the system problem and fix it.
Topics
Log Files
Resetting Phone and Configuration
Packets Capture
Watch Dog
Network Diagnostics
Analyzing Configuration Files
Exporting All the Diagnostic Files
Phone Status
Phone Reboot
Log Files
Yealink IP phone can log events into two different log files: boot log and system log. You can choose to generate the
log files locally or sent to syslog server in real time, and use these log files to generate informational, analytic and
troubleshoot phones.
The following table lists the log files generated by the phone:
Local Syslog Server Description
<MAC>-
all.tgz
boot.log <MAC>-boot.log
It can only log the last reboot events. It is required to report the logs with all
severity levels.
sys.log <MAC>-sys.log
It reports the logs with a configured severity level and the higher.
For example, if you have set the severity level to 4, then the logs with a severity
level of 0 to 4 will all be reported.
Topics
Local Logging
Syslog Logging
Local Logging
You can enable local logging, specify the severity level, and choose to keep the log locally or upload the local log files
to the provisioning server. The local log files can be exported via web user interface simultaneously.
Topics
Local Logging Configuration
Exporting the Log Files to a Local PC
Viewing the Log Files
Local Logging Configuration
The following table lists the parameters you can use to configure local logging.

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English