zabbix@dp-virtualbox:~/workspace/7.4$ for i in {1..50}; do PORT=$((10000 + RANDOM % 2001)); echo -n "Port $PORT -> "; time sbin/zabbix_agent2 -t net.udp.listen[$PORT] | grep "net.udp.listen"; done Port 11425 -> net.udp.listen[11425] [s|1] real 0m0,827s user 0m0,004s sys 0m0,030s Port 10892 -> net.udp.listen[10892] [s|1] real 0m0,997s user 0m0,008s sys 0m0,020s Port 10025 -> net.udp.listen[10025] [s|1] real 0m0,996s user 0m0,007s sys 0m0,021s Port 10041 -> net.udp.listen[10041] [s|1] real 0m0,996s user 0m0,016s sys 0m0,000s Port 11490 -> net.udp.listen[11490] [s|1] real 0m1,003s user 0m0,009s sys 0m0,012s Port 10068 -> net.udp.listen[10068] [s|1] real 0m1,002s user 0m0,005s sys 0m0,019s Port 11566 -> net.udp.listen[11566] [s|1] real 0m0,997s user 0m0,009s sys 0m0,013s Port 10161 -> net.udp.listen[10161] [s|1] real 0m1,000s user 0m0,010s sys 0m0,009s Port 11770 -> net.udp.listen[11770] [s|1] real 0m1,001s user 0m0,008s sys 0m0,019s Port 11060 -> net.udp.listen[11060] [s|1] real 0m0,996s user 0m0,011s sys 0m0,017s Port 10313 -> net.udp.listen[10313] [s|1] real 0m1,003s user 0m0,009s sys 0m0,017s Port 10403 -> net.udp.listen[10403] [s|1] real 0m0,999s user 0m0,009s sys 0m0,014s Port 10091 -> net.udp.listen[10091] [s|1] real 0m1,000s user 0m0,002s sys 0m0,020s Port 10428 -> net.udp.listen[10428] [s|1] real 0m0,999s user 0m0,002s sys 0m0,019s Port 10035 -> net.udp.listen[10035] [s|1] real 0m1,003s user 0m0,003s sys 0m0,024s Port 11061 -> net.udp.listen[11061] [s|1] real 0m0,997s user 0m0,007s sys 0m0,014s Port 11393 -> net.udp.listen[11393] [s|1] real 0m1,016s user 0m0,013s sys 0m0,011s Port 11907 -> net.udp.listen[11907] [s|1] real 0m0,991s user 0m0,007s sys 0m0,016s Port 11553 -> net.udp.listen[11553] [s|1] real 0m0,993s user 0m0,005s sys 0m0,015s Port 11772 -> net.udp.listen[11772] [s|1] real 0m1,003s user 0m0,002s sys 0m0,024s Port 11093 -> net.udp.listen[11093] [s|1] real 0m0,999s user 0m0,002s sys 0m0,019s Port 11670 -> net.udp.listen[11670] [s|1] real 0m0,998s user 0m0,015s sys 0m0,015s Port 10288 -> net.udp.listen[10288] [s|1] real 0m1,001s user 0m0,002s sys 0m0,018s Port 11994 -> net.udp.listen[11994] [s|1] real 0m1,005s user 0m0,012s sys 0m0,021s Port 10300 -> net.udp.listen[10300] [s|1] real 0m0,992s user 0m0,015s sys 0m0,012s Port 10672 -> net.udp.listen[10672] [s|1] real 0m1,004s user 0m0,003s sys 0m0,024s Port 10949 -> net.udp.listen[10949] [s|1] real 0m0,996s user 0m0,000s sys 0m0,021s Port 10072 -> net.udp.listen[10072] [s|1] real 0m1,029s user 0m0,007s sys 0m0,019s Port 10373 -> net.udp.listen[10373] [s|1] real 0m0,979s user 0m0,007s sys 0m0,025s Port 11842 -> net.udp.listen[11842] [s|1] real 0m0,995s user 0m0,017s sys 0m0,029s Port 10633 -> net.udp.listen[10633] [s|1] real 0m1,007s user 0m0,011s sys 0m0,023s Port 10600 -> net.udp.listen[10600] [s|1] real 0m1,016s user 0m0,016s sys 0m0,035s Port 11493 -> net.udp.listen[11493] [s|1] real 0m0,977s user 0m0,013s sys 0m0,011s Port 10263 -> net.udp.listen[10263] [s|1] real 0m1,001s user 0m0,007s sys 0m0,020s Port 11032 -> net.udp.listen[11032] [s|1] real 0m0,998s user 0m0,009s sys 0m0,013s Port 11030 -> net.udp.listen[11030] [s|1] real 0m0,998s user 0m0,013s sys 0m0,005s Port 10366 -> net.udp.listen[10366] [s|1] real 0m1,003s user 0m0,002s sys 0m0,020s Port 11942 -> net.udp.listen[11942] [s|1] real 0m1,001s user 0m0,009s sys 0m0,024s Port 10617 -> net.udp.listen[10617] [s|1] real 0m0,996s user 0m0,002s sys 0m0,019s Port 11597 -> net.udp.listen[11597] [s|1] real 0m1,003s user 0m0,006s sys 0m0,016s Port 11886 -> net.udp.listen[11886] [s|1] real 0m0,998s user 0m0,002s sys 0m0,023s Port 11715 -> net.udp.listen[11715] [s|1] real 0m0,999s user 0m0,002s sys 0m0,023s Port 10903 -> net.udp.listen[10903] [s|1] real 0m1,029s user 0m0,008s sys 0m0,059s Port 10079 -> net.udp.listen[10079] [s|1] real 0m0,967s user 0m0,009s sys 0m0,127s Port 10283 -> net.udp.listen[10283] [s|1] real 0m1,003s user 0m0,009s sys 0m0,013s Port 10538 -> net.udp.listen[10538] [s|1] real 0m0,999s user 0m0,007s sys 0m0,016s Port 11830 -> net.udp.listen[11830] [s|1] real 0m1,005s user 0m0,007s sys 0m0,020s Port 11360 -> net.udp.listen[11360] [s|1] real 0m0,996s user 0m0,008s sys 0m0,026s Port 11015 -> net.udp.listen[11015] [s|1] real 0m1,000s user 0m0,007s sys 0m0,015s Port 10360 -> net.udp.listen[10360] [s|1] real 0m1,005s user 0m0,003s sys 0m0,028s zabbix@dp-virtualbox:~/workspace/7.4$ for i in {1..50}; do PORT=$((10000 + RANDOM % 2001)); echo -n "Port $PORT -> "; time sbin/zabbix_agentd -t net.udp.listen[$PORT] | grep "net.udp.listen"; done Port 10763 -> net.udp.listen[10763] [u|1] real 0m0,013s user 0m0,000s sys 0m0,014s Port 11943 -> net.udp.listen[11943] [u|1] real 0m0,012s user 0m0,002s sys 0m0,012s Port 11110 -> net.udp.listen[11110] [u|1] real 0m0,015s user 0m0,013s sys 0m0,003s Port 10516 -> net.udp.listen[10516] [u|1] real 0m0,012s user 0m0,002s sys 0m0,011s Port 11290 -> net.udp.listen[11290] [u|1] real 0m0,021s user 0m0,008s sys 0m0,017s Port 10680 -> net.udp.listen[10680] [u|1] real 0m0,011s user 0m0,006s sys 0m0,007s Port 11333 -> net.udp.listen[11333] [u|1] real 0m0,013s user 0m0,003s sys 0m0,013s Port 10379 -> net.udp.listen[10379] [u|1] real 0m0,014s user 0m0,012s sys 0m0,005s Port 11659 -> net.udp.listen[11659] [u|1] real 0m0,010s user 0m0,007s sys 0m0,005s Port 10720 -> net.udp.listen[10720] [u|1] real 0m0,018s user 0m0,007s sys 0m0,016s Port 11338 -> net.udp.listen[11338] [u|1] real 0m0,012s user 0m0,000s sys 0m0,014s Port 11620 -> net.udp.listen[11620] [u|1] real 0m0,014s user 0m0,008s sys 0m0,009s Port 11693 -> net.udp.listen[11693] [u|1] real 0m0,015s user 0m0,010s sys 0m0,007s Port 11232 -> net.udp.listen[11232] [u|1] real 0m0,011s user 0m0,004s sys 0m0,011s Port 10059 -> net.udp.listen[10059] [u|1] real 0m0,016s user 0m0,007s sys 0m0,012s Port 10235 -> net.udp.listen[10235] [u|1] real 0m0,011s user 0m0,007s sys 0m0,005s Port 11320 -> net.udp.listen[11320] [u|1] real 0m0,012s user 0m0,009s sys 0m0,004s Port 10094 -> net.udp.listen[10094] [u|1] real 0m0,014s user 0m0,010s sys 0m0,009s Port 10393 -> net.udp.listen[10393] [u|1] real 0m0,012s user 0m0,003s sys 0m0,011s Port 10698 -> net.udp.listen[10698] [u|1] real 0m0,015s user 0m0,000s sys 0m0,018s Port 10482 -> net.udp.listen[10482] [u|1] real 0m0,012s user 0m0,002s sys 0m0,011s Port 11798 -> net.udp.listen[11798] [u|1] real 0m0,015s user 0m0,004s sys 0m0,014s Port 10496 -> net.udp.listen[10496] [u|1] real 0m0,011s user 0m0,008s sys 0m0,005s Port 10345 -> net.udp.listen[10345] [u|1] real 0m0,015s user 0m0,006s sys 0m0,014s Port 10189 -> net.udp.listen[10189] [u|1] real 0m0,010s user 0m0,003s sys 0m0,009s Port 11676 -> net.udp.listen[11676] [u|1] real 0m0,014s user 0m0,006s sys 0m0,008s Port 11894 -> net.udp.listen[11894] [u|1] real 0m0,012s user 0m0,004s sys 0m0,012s Port 10474 -> net.udp.listen[10474] [u|1] real 0m0,010s user 0m0,000s sys 0m0,012s Port 10496 -> net.udp.listen[10496] [u|1] real 0m0,016s user 0m0,003s sys 0m0,015s Port 10240 -> net.udp.listen[10240] [u|1] real 0m0,012s user 0m0,006s sys 0m0,008s Port 11510 -> net.udp.listen[11510] [u|1] real 0m0,013s user 0m0,003s sys 0m0,013s Port 10897 -> net.udp.listen[10897] [u|1] real 0m0,011s user 0m0,006s sys 0m0,008s Port 11715 -> net.udp.listen[11715] [u|1] real 0m0,014s user 0m0,004s sys 0m0,011s Port 10453 -> net.udp.listen[10453] [u|1] real 0m0,013s user 0m0,003s sys 0m0,013s Port 11489 -> net.udp.listen[11489] [u|1] real 0m0,012s user 0m0,002s sys 0m0,011s Port 11234 -> net.udp.listen[11234] [u|1] real 0m0,012s user 0m0,006s sys 0m0,008s Port 10578 -> net.udp.listen[10578] [u|1] real 0m0,012s user 0m0,007s sys 0m0,008s Port 10817 -> net.udp.listen[10817] [u|1] real 0m0,013s user 0m0,002s sys 0m0,011s Port 11711 -> net.udp.listen[11711] [u|1] real 0m0,015s user 0m0,015s sys 0m0,004s Port 10186 -> net.udp.listen[10186] [u|1] real 0m0,010s user 0m0,002s sys 0m0,009s Port 10522 -> net.udp.listen[10522] [u|1] real 0m0,014s user 0m0,010s sys 0m0,007s Port 11887 -> net.udp.listen[11887] [u|1] real 0m0,012s user 0m0,003s sys 0m0,012s Port 10225 -> net.udp.listen[10225] [u|1] real 0m0,011s user 0m0,002s sys 0m0,011s Port 11489 -> net.udp.listen[11489] [u|1] real 0m0,015s user 0m0,002s sys 0m0,015s Port 11221 -> net.udp.listen[11221] [u|1] real 0m0,012s user 0m0,008s sys 0m0,006s Port 11639 -> net.udp.listen[11639] [u|1] real 0m0,016s user 0m0,012s sys 0m0,008s Port 11185 -> net.udp.listen[11185] [u|1] real 0m0,009s user 0m0,007s sys 0m0,005s Port 11169 -> net.udp.listen[11169] [u|1] real 0m0,011s user 0m0,006s sys 0m0,007s Port 10163 -> net.udp.listen[10163] [u|1] real 0m0,016s user 0m0,016s sys 0m0,005s Port 11495 -> net.udp.listen[11495] [u|1] real 0m0,010s user 0m0,003s sys 0m0,010s zabbix@dp-virtualbox:~/workspace/7.4$