Allied Telesis AT-S63 - Manual (Page 258)

Chapter 15: Event Log and Syslog Client Commands
258 Section II: Advanced Operations
Examples
The following command displays all the entries in the event log stored in
permanent memory:
show log=permanent
The following command displays the events stored in temporary memory
in the full display mode, which adds more information:
show log=temporary full
The following command displays only those entries stored in temporary
memory and associated with the AT-S63 modules FILE and QOS:
show log=permanent module=file,qos
The following command displays the error and warning entries for the
AT-S63 module VLAN. Because the log is not specified, the temporary log
is displayed by default:
show log module=vlan severity=e,w