Enable IP Forwarding on the fly

[netanel]

Hello! (CentOS server)

How can I create a script will run the following command:
# sysctl-w Net.ipv4.ip_forward = 1

- I need the script to work automatically between the hours: 3:00 to 6:00 at night.

Meanwhile I run the script manually at night with my computer:

sysctl-w Net.ipv4.ip_forward = 0;
sleep 2;
sysctl-w Net.ipv4.ip_forward = 1;
sleep 1200;
sh Xxx.sh;

So what do you say?
How to solve the problem?
How can I run the script without any software? (SSH)

Thank you.

[GNU-Fan]

I say you use the crontab to execute the commands at the given times.