Well-known · Cross-platform

162 SNMP Trap

TCP Yes
UDP Yes
SCTP
DCCP

What it is

Asynchronous SNMP trap/notification delivery to the NMS.

When / why

Devices push alerts to the monitoring server on UDP/162.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Yes Assigned by IANA and standardized, specified, or widely used on this port.
SCTP Not applicable for this transport.
DCCP Not applicable for this transport.

Port range

Well-known (0–1023). System port for a core service. On Unix-like systems, binding it requires superuser privileges.

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