How to run the JMeter for more than 300 users?

users.

Step1:
Configure Jmeter for Distributed testing

Step2:
Place your script and csv in /bin folder of the jmeter.

Step3:
Open command prompt , go to jmeter bin directory and give the following command

jmeter -n -t testplan.jmx -R ip1,ip2 -l resultfilename