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Essential SNMP, 2nd Edition
book

Essential SNMP, 2nd Edition

by Douglas Mauro, Kevin Schmidt
September 2005
Beginner content levelBeginner
462 pages
12h 56m
English
O'Reilly Media, Inc.
Content preview from Essential SNMP, 2nd Edition

NMS Architectures

Before going out and buying all your equipment, it's worth spending some time coming up with an architecture for your network that will make it more manageable. The simplest architecture has a single management station that is responsible for the entire network, as shown in Figure 4-1.

The network depicted in Figure 4-1 has three sites: New York, Atlanta, and San Jose. The NMS in New York is responsible for managing not only the portion of the network in New York, but also those in Atlanta and San Jose. Traps sent from any device in Atlanta or San Jose must travel over the Internet to get to the NMS in New York. The same thing goes for polling devices in San Jose and Atlanta: the NMS in New York must send its requests over the Internet to reach these remote sites. For small networks, an architecture like this can work well. However, when the network grows to the point that a single NMS can no longer manage everything, this architecture becomes a real problem. The NMS in New York can get behind in its polling of the remote sites, mainly because it has so much to manage. The result is that when problems arise at a remote site, they may not get noticed for some time. In the worst case, they might not get noticed at all.

Single NMS architecture

Figure 4-1. Single NMS architecture

It's also worth thinking about staffing. With a single NMS, your primary operations staff would be in New York, watching ...

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Publisher Resources

ISBN: 0596008406Supplemental ContentErrata Page