Collecting RMON Data
The remote monitoring MIB (RMON) provides very detailed performance data. In this section we’ll focus on the Ethernet portion of RMON, which is in the original standard. Extensions for token ring and FDDI won’t be covered here. Recall that RMON agents are built into special probe devices, such as the HP LANProbe, which are attached to remote shared-medium Ethernet hubs to monitor them, as shown in Figure 9-10. These agents may be found in network equipment such as switches, where they can monitor all ports. While special software such as HP NetMetrix is best suited to controlling and managing RMON agents, simple Ethernet statistics can be collected using simple SNMP methods.
Figure 9-10. A shared medium RMON probe.
The ...
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