Problem on SNMP connetion

Problem on SNMP connetion

Hi all,

i have a server that located at branch office office and using WAN link as medium to connect to main office. but the problem is i my OPManager server (located at main office) couldn't find that server using SNMP, i have open port 161 on both server (actually i dont know for sure if the port is opened or not, cause i dont know how to test it ^^), but the problem still exist, is there any idea to solve this problem ?? 


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