3.9.3.7 SNMP
SNMP is an abbreviation of Simple Network Management Protocol, which is convenient for NVR to be monitored and managed in the whole network environment. The SNMP is widely used in many network devices, software and systems.
Before setting the SNMP, please download the SNMP software and manage to receive the NVR information via SNMP port. By setting the Trap Address, the NVR can send the alarm event and exception messages to the surveillance center.
![](../images/web-settings/settings/system/network/snmp.png)
SNMP v1/2c/3: The version of SNMP. Please select the version of your SNMP software.
SNMP v1: No security protection
SNMP v2c: Require password for access
SNMP v3: Support encryption on the premise that the HTTPS protocol must be enabled.
Read Community: Input the name of Read Community
Write Community: Input the name of Write Community
Read Security Name: Input the name of Read Security Community
Level of Security: There are three levels available: (auth, priv), (auth, no priv) and (no auth, no priv)
Write Security Name: Input the name of Write Security Community
Level of Security: There are three levels available: (auth, priv), (auth, no priv) and (no auth, no priv)
SNMP Port: The default of the SNMP port is 161.