"login on-success log" do not exist

[dsqdsq]

hello every body

my issu

i try to log my success login on a CISCO 2950 Catalyste but on conf t i have not option login on-success log !!!

how can i do

ty

[Mark Elsen]

 - Following this thread it seems not supported on 2950 :

          https://community.cisco.com/t5/switching/syslog-messages-not-working-on-2950g/td-p/3826480

 M.