> diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst > b/doc/guides/sample_app_ug/ipsec_secgw.rst > index 78171b25f9..846cf2b81a 100644 > --- a/doc/guides/sample_app_ug/ipsec_secgw.rst > +++ b/doc/guides/sample_app_ug/ipsec_secgw.rst > @@ -127,6 +127,7 @@ The application has a number of command line > options:: > -p PORTMASK -P -u PORTMASK -j FRAMESIZE > -l -w REPLAY_WINDOW_SIZE -e -a > -c SAD_CACHE_SIZE > + -t STATISTICS_INTERVAL > -s NUMBER_OF_MBUFS_IN_PACKET_POOL > -f CONFIG_FILE_PATH > --config (port,queue,lcore)[,(port,queue,lcore)] > @@ -176,6 +177,10 @@ Where: > Zero value disables cache. > Default value: 128. > > +* ``-t``: specifies the statistics screen update interval. If set to zero > or > + omitted statistics screen is disabled. > + Default value: 0.
Please also mention the unit of interval.