Event Logging

The Windows 2000 Router performs extensive error logging in the system event log. You can use information in the event logs to troubleshoot routing or remote access processes.

Four levels of logging are available:

1. Log errors only (the default)
2. Log errors and warnings
3. Log the maximum amount of information
4. Disable event logging

For example, if an OSPF router is unable to establish an adjacency on an interface, you can:

1. Disable OSPF on the interface.
2. Change the level of logging for OSPF to log the maximum amount of information.
3. Enable OSPF on the interface.
4. Examine the system event log for information about the OSPF adjacency process.
5. Change the level of logging for OSPF to log errors only.

You can then troubleshoot the adjacency problem by analyzing the OSPF entries in the system event log.

Setting the level of event logging is available from the General tab of the following dialog boxes:

• IP Routing Properties and General Properties
• IP Routing Properties and Network Address Translation Properties
• IP Routing Properties and RIP Properties
• IP Routing Properties and OSPF Properties
• IP Routing Properties and IGMP Properties
• IPX Routing Properties and General Properties
• IPX Routing Properties and RIP for IPX Properties
• IPX Routing Properties and SAP for IPX Properties

Logging consumes system resources and should be used sparingly to help identify network problems. After the event has been logged or the problem is identified, you should immediately reset logging to its default value (log errors only).

When logging the maximum amount of information, the logging information can be complex and very detailed. Some of this information is useful only to Microsoft support engineers or to network administrators who are very experienced with the Windows 2000 Routing and Remote Access service.

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