Chapter 69. TCP/IP REMOTE NETWORK MONITORING (RMON)
We've seen in the preceding chapters of this part that the Simple Network Management Protocol (SNMP) defines both a framework and a specific protocol for exchanging network information on a TCP/IP internetwork. The general model used by SNMP is that of a network management station (NMS) that sends requests to SNMP agents running on managed devices. The SNMP agents may also initiate certain types of communication by sending trap messages to tell the NMS when particular events occur.
This model works well, which is why SNMP has become so popular. However, one fundamental limitation of the protocol ...
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