SNMP (Simple Network Management Protocol) is widely used to manage IP networks. Originally SNMP was used only with equipment connected to the Internet. Since telecommunication equipment has begun to include embedded IP-data handling services (i.e., routers and CSU/DSU's), SNMP has become a required method to monitor and provision all types of equipment.
In an typical SNMP-managed network, a Network Management Station (NMS) sends out requests for information from "nodes" connected to a network (either a local network or the Internet). Managed nodes can be computers, printers, routers, or any other device with an SNMP agent and defined MIB. The NMS can either retrieve information (via GET commands) or set different parameter values (via SET commands).
In addition to actively managing devices in the network, the NMS listens for Trap messages sent from different nodes. Traps are typically alarm and other state change messages. Since the NMS knows the IP address and Object Identifier responsible for the Trap, the NMS Operator is able to decide if the problem requires additional action, such as dispatching a technician to the site.
The P32mxi system includes an SNMP agent that can be accessed through the Craft Port (using SLIP), or via the LAN connection if the RAVE module is installed.
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