$cmd ="snmpset -v3 -a MD5 -A auth_Key_1492514201 -x DES -X encr_Key_100265 -u myUser252094357 -l authPriv 172.16.232.53:8500 1.3.6.1.4.1.8962.2.1.2.1.10.7.1.20.2 i 2";

$x= system "$cmd"; or $x =`$cmd`;