I solved the problem. Thank you very much for your reply

The IP address 1.2.3.4 is an example written address. My own switch address is 192.168.1.50 and I use it by typing it.

snmpset -v 2c -c MyCommunityString 1.2.3.4 1.3.6.1.2.1.105.1.1.1.3.1.7 i 2snmpset -v 2c -c MyCommunityString 1.2.3.4 1.3.6.1.2.1.105.1.1.1.3.1.7 i 1 I found such an example while doing research. Actually, I think it is exactly what I want, but when I...

Many Thanks for your response 

I think it's descriptive enough.