3Com Traffix Transcend Traffix Manager, Руководство пользователя

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Configuring Event Rules 75
By applying the protocol filter to an event rule of this type, you can use it
to monitor the usage of specific network services on the devices.
For example, you can use this event rule to:
■
Monitor the activity of your e-mail servers.
■
Monitor the activity of your router.
Monitor Critical Connections
Changes on an important link can lead to unexpected congestion. You
can use an event rule of this type to monitor a list of WAN or backbone
links and generate an event if the network traffic on the link changes
significantly.
An event rule of this type can detect changes in traffic levels and changes
in the usage of different protocols. By applying the protocol filter to this
type of event rule, you can use it to monitor the usage of specific
network services on the connections.
For example, you can use this event rule to:
■
Monitor the activity of your WAN link to another city.
■
Monitor FTP traffic activity on the Internet connection.
Monitor Network Trends
You can use an event rule of this type to monitor changing long-term
traffic levels on the whole network or on part of the network. Events are
generated if significant changes over time are detected. An increase in
the overall activity of the network may be an early warning of problems
or increased congestion.
By applying the protocol filter to a rule of this type, you can use it to
monitor the changing usage of specific network services.
For example, you can use this event rule to:
■
Monitor the activity of a specified local network segment.
■
Monitor Web traffic activity on the whole network.
Configuring Event
Rules
You can add your own event rules and edit, enable or disable existing
rules according to your own requirements. You use the Event Rules dialog
box to do this.