OID value: 1.3.6.1.2.1.4.20.1.5
OID description:
ipAdEntReasmMaxSize OBJECT-TYPE SYNTAX INTEGER (0..65535) ACCESS read-only STATUS mandatory DESCRIPTION "The size of the largest IP datagram which this entity can re-assemble from incoming IP fragmented datagrams received on this interface." ::= { ipAddrEntry 5 }
See also the OID Repository website reference for 1.3.6.1.2.1.4.20.1.5