NETWORK MANAGEMENT
SNMP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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TCP Port 161/162
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UDP Port 161/162
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UDP Port 191/192
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TCP Port 191/192 SNMP runs on UDP Port 161/162. SNMP uses UDP as its transport protocol because it has no need for the overhead of TCP . “Reliability” is not required because each request generates a response. If the SNMP application does not receive a response, it simply re-issues the request.
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Detailed explanation-1: -What is an SNMP port? SNMP ports are utilized via UDP 161 for SNMP Managers communicating with SNMP Agents (i.e. polling) and UDP 162 when agents send unsolicited Traps to the SNMP Manager.
Detailed explanation-2: -User Datagram Protocol (UDP) UDP is actually better suited for repetitive, low-priority functions like alarm monitoring. Therefore, typically, SNMP uses UDP port 161 and UDP port 162. Note: Agents use UDP 161, while the manager uses UDP 162.
Detailed explanation-3: -The default SNMP port number is 161. snmp-agent-protocol-The protocol the SNMP agent will communicate with. The default protocol is UDP. system-contact-The contact information for this sensor.
Detailed explanation-4: -SNMPv3. SNMP is the most widely-used network management protocol on TCP/IP-based networks.