SNMP
August 4, 2008
Introduction
You can monitor your system’s Web performance quite easily with graphical Linux tools. You’ll learn how to use several in this chapter, including MRTG, which is based on SNMP and monitors raw network traffic, and Webalizer, which tracks Web site hits.
SNMP
Most servers, routers and firewalls keep their operational statistics in object identifiers (OIDs) that you can remotely retrieve via the Simple Network Management Protocol (SNMP). For ease of use, equipment vendors provide Management Information Base (MIB) files for their devices that define the functions of the OIDs they contain. That’s a lot of new terms to digest in two sentences, so take a moment to look more closely. Read the rest of this entry »