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Monitor the Core and Troubleshoot the Access Layer with Integrated Network Analysis Solutions

Source:
Security
Published:
Apr 13, 2009
Pages:
6

Today's networks are typically very stable. The problem is they aren't static. Management and users are constantly demanding new technologies, new services, and better performance, which inevitably require changing infrastructure, deploying new applications, and dealing with security. All these, together with the need to troubleshoot network and application performance issues when they arise means you need to be able to clearly see all aspects of your network to accurately assess the impact of adding new technologies and services and to make sure it is delivering maximum performance with what you already have.

As an IT professional, you need to keep your finger on the pulse of the network 24/7 and this task can be made easier by:

  • Knowing the "normal" operating conditions for your network. This should be monitored in the core and must include information on:

o  Traffic levels

o  Protocols in use

o  Number of hosts and where they are connected

o  Switch performance including port utilization and error rates

o  Router and WAN link performance

  • Establishing alert thresholds to warn you of potential problems
  • Being able to identify anomalous network events such as a device losing connectivity and be notified of such an event

In addition to core network monitoring, you also need to be able to diagnose network problems, including the elusive intermittent problems, prove it's not the network and analyze application problems at the same time ensuring network integrity from internal security threats and plan for new application deployment.

 

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