Simple Gateway Monitoring Protocol (SGMP) defined i

allows commands to be issued to application protocol entities to set or retrieve values (integer or octet string types) for use in monitoring the gateways on which the application protocol entities reside. Messages are exchanged using UDP and utilize unreliable transport methods. Authentication takes place on UDP port 153. Some examples of things that can be monitored are listed below. #Network Type for interfaces: IEEE 802.3 MAC, IEEE 802.4 MAC, IEEE 802.5 MAC,

Ethernet Ethernet ( ) is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 and first standardized in 198 ...

, ProNET-80, ProNET-10,

FDDI Fiber Distributed Data Interface (FDDI) is a standard for data transmission in a local area network. It uses optical fiber as its standard underlying physical medium. It was also later specified to use copper cable, in which case it may be c ...

X.25 X.25 is an ITU-T standard protocol suite for Packet switched network, packet-switched data communication in wide area network, wide area networks (WAN). It was originally defined by the CCITT, International Telegraph and Telephone Consultative Co ...

, Point-to-Point Serial, RPA 1822 HDH, ARPA 1822,

AppleTalk AppleTalk is a discontinued proprietary suite of networking protocols developed by Apple Computer for their Macintosh computers. AppleTalk includes a number of features that allow local area networks to be connected with no prior setup or the ...

, StarLAN #Interface Status (down, up, attempting, etc.) #Route Type (local, remote, sub-network, etc.) #Routing Protocol ( RIP, EGP, GGP, IGRP, Hello) The protocol was replaced by SNMP (

Simple Network Management Protocol Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior. Devices that typically su ...

)

Sources

RFC 1028
Network protocols {{compu-network-stub