Google Networking Best Practices for Large Deployments Manual do Utilizador descarregar pdf (Página 41)

Chapter 8

Network Monitoring

Chapter 8

Summary

After your network is set up to work with Google Apps and your users are enabled, you can

maintain the quality of your users’ experience by monitoring the health of your network. To

ensure the best user experience, follow these suggestions for monitoring tools and network

traces.

Monitoring Tools

There are many commercial and open source tools to monitor various aspects of your network.

A comprehensive directory of network monitoring tools is available on the SLAC Network

Monitoring Tools site.

Specific recommended tools are listed in the table below.

Type of Monitoring Tool Description

Device Monitoring mrtg Monitors and graphs various aspects of

network devices.

DNS changes dns-rr-monitor Monitors a specific resource record and alerts

you to changes.

Host Monitoring smokeping Monitors and plots round-trip times to many

destinations. Highly configurable.

Looking glass

server

Example list 1

Example list 2

A looking glass server provides a read-only

view of a network operator’s routing

information -- including connections, latency,

and other factors -- at a remote point on

another network.

Network pingplotter Helps monitor network latency, uptime, and

route changes.

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Google Networking Best Practices for Large Deployments Manual do Utilizador Página 41