Alcatel-Lucent 7750 SR OS Service Manual page 523

Virtual Private LAN Services
When the no collect-stats command is issued the statistics are still accumulated by the IOM cards.
However, the CPU will not obtain the results and write them to the billing file. If a subsequent
collect-stats command is issued then the counters written to the billing file include all the traffic
while the no collect-stats command was in effect.
Default
collect-stats
7750 SR OS Services Guide Page 523