OID value: 1.3.6.1.2.1.7.2
OID description:
udpNoPorts OBJECT-TYPE SYNTAX Counter ACCESS read-only STATUS mandatory DESCRIPTION "The total number of received UDP datagrams for which there was no application at the destination port." ::= { udp 2 }
See also the OID Repository website reference for 1.3.6.1.2.1.7.2