Tuesday, June 28, 2011

RMON(Remote Network Monitoring)

RMON(Remote Network Monitoring) the original design is used to solve a center management from the local area points nets and remote sites. RMON standard is expanding by an SNMP MIB to. RMON, network monitoring data includes a set of statistics and performance indicators, they are in different monitor (or says detector) and the control system is mutual exchange between. Results data can be used to monitor network utilization, used in the network planning, performance optimization and assist network error diagnosis.

The current RMON has two versions: RMON v1 and RMONv2. RMON in current use v1 a wide range of network in the hardware, that is it defines a nine MIB set of service in basic network monitor; RMON v2 is the expansion of RMON, focus on the MAC layer above higher flow layer, it basically emphasizes IP flow and application layer flow. RMON v2 allows network management applications monitoring all the network layer packets and this and RMONv1 different, the latter only allow monitoring MAC and the following layer packets.

RMON surveillance systems have two part: detector (agent or monitor) and enterprise. RMON in RMON in storage MIB agent network information, they were injected directly into the network equipment (such as routers, switches, etc), the agency can also be a PC running a program. Agent can only see through their flow, so in each be monitored LAN or WAN for links point should set RMON, with an SNMP agent network management workstation for RMON data information.

RMON MIB many varieties. For example, token nets RMON MIB to provide the token network management of the object. SMON MIB is by the expanding RMON, mainly used for exchange to offer network RMON analysis.

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