For diagnostics and testing purposes, the driver can log changes in the congestion status for any or all virtual circuits configured. When the driver detects that a virtual circuit has become congested, it will log an event in the system log indicating the physical adapter number, the logical adapter number, and the DLCI that is congested. When the driver detects that the virtual circuit is no longer congested, it will log an event in the system log indicating the physical adapter number, the logical adapter number, and the DLCI that is no longer congested.
Logging is disabled by specifying a zero value for the setting. Logging is enabled by specifying a non-zero value for the setting. This value is the number of seconds checks.
If the Congestion Logging value is non-zero for the Physical Adapter (Hardware Settings tab), all circuits defined for that adapter will be checked at the interval specified, regardless of any other logical adapter or virtual circuit Congestion Logging settings.
If the Congestion Logging value is zero for the Physical Adapter, any logical adapter with a non-zero value will have all virtual circuits associated with that logical adapter checked for congestion, regardless of the virtual circuit's Congestion Logging settings.
If the Physical Adapter and Logical Adapter values are both zero, each individual virtual circuit with a non-zero value will be checked for congestion at the specified interval.
Note:Enabling logging may result in reduced performance, especially if multiple virtual circuits are defined for any physical adapter and/or congestion states for any circuits are constantly changing.