Troubleshooting899TroubleshootingThis chapter provides an administrator with general information for troubleshooting somecommon problems that he (or she) may encounter while using IP phones.Troubleshooting MethodsIP phones can provide feedback in a variety of forms such as log files, packets, status indicatorsand so on, which can help an administrator more easily find the system problem and fix it.The following are helpful for better understanding and resolving the working status of the IPphone. Viewing Log Files Capturing Packets Enabling Watch Dog Feature Getting Information from Status Indicators Analyzing Configuration File Exporting All the Diagnostic Files Ping and TracerouteIf your IP phone encounters some problems, commonly the local log files or syslog files areneeded.You can configure the phone to log events locally. There are two types of local log files:-boot.log (e.g., 0015659188f2-boot.log) and -sys.log (e.g.,0015659188f2-sys.log). These two local log files can be exported via web user interfaceseparately. You can configure the IP phone to periodically upload the local log files to theprovisioning server (only support an FTP/TFTP as the provisioning server) or the specific server(if configured), avoiding the local log loss. You can specify the severity level of the log to bereported to the -sys.log file. The default local log level is 3.You can also configure the IP phone to send syslog messages to a syslog server in real time. Youcan specify the severity level of the syslog to be sent to a syslog server. The default system loglevel is 3.