Use the command tools dump wlan-gw isa performance mda mda-id last time-span time-unit to generate a high-level overview of ISA processing load and total data processed in a specified time span with a polling granularity depending on that time span. The following time spans and granularity are supported:
last minute with second granularity
last hour with minute granularity
last day with hour granularity
last month with day granularity