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674 Appendix A:Troubleshooting a WSS
NN47250-500 (320657-F Version 02.01)
Using log commands
To enable, disable, or modify system logging to the WSS’s log buffer, console, current Telnet session, or trace buffer,
use the following command:
set log {buffer | console | current | sessions | trace} [severity severity-level] [enable | disable]
To configure system logging to a syslog server, use the following command:
set log server ip-addr [port port-number] severity severity-level [local-facility facility-level]
To enable periodic mark messages for use in troubleshooting, use the following command:
set log mark [enable | disable] [severity level]
[interval interval]
To view log entries in the system or trace buffer, use the following command:
show log buffer | trace
To clear log messages from the system or trace buffer, use the following command:
clear log buffer | trace
To stop sending messages to a syslog server, use the following command:
clear log server ip-addr
Table 3: Event severity levels
Severity Description
emergency The WSS is unusable.
alert Action must be taken immediately.
critical You must resolve the critical conditions. If the conditions are not
resolved, the WSS can reboot or shut down.
error The WSS is missing data or is unable to form a connection.
warning A possible problem exists.
notice Events that potentially can cause system problems have occurred. These
are logged for diagnostic purposes. No action is required.
info Informational messages only. No problem exists.
debug Output from debugging.
Note: The debug level produces a lot of messages, many of which can
appear to be somewhat cryptic. Debug messages are used primarily by
Nortel for troubleshooting and are not intended for administrator use.