Cisco 7920 Administration Guide - Page 200
Logging Information for Troubleshooting, Using a System Log Server
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General Troubleshooting Information Chapter 9 Troubleshooting the Cisco Wireless IP Phone 7920 Logging Information for Troubleshooting The following options can help you gather troubleshooting information: • Using a System Log Server, page 9-20 • Using the Trace Route Option on the Cisco Wireless IP Phone, page 9-20 Using a System Log Server To gather information about problems with the wired network that can cause roaming delays or no connectivity, set up a system log server. Enable "syslog" on the network switches and access points that is logged to the system log server. Also enable Network Time Protocol (NTP) so that all access points and switches use the same times. Using the Trace Route Option on the Cisco Wireless IP Phone When you are experiencing problems with registering with Cisco CallManager, or call connections, you can use this function to trace the path of a packet from the phone to Cisco CallManager. The result shows the number of hops and the IP address of each hop to reach the Cisco CallManager server. You can use this information to check connectivity between the phone, Cisco CallManager servers and gateways during a call. For information about using the Trace Route option, see the "Performing a Trace Route" section on page 9-24. Related Topics • Resolving Startup and Connectivity Problems, page 9-2 • Resolving Voice Quality and Roaming Problems, page 9-11 • Administration Options on the Phone Menus, page 9-21 • Cisco 7920 Configuration Utility Troubleshooting Tips, page 9-28 9-20 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1 OL-7104-01