3Com 3c17300 Implementation Guide - Page 17

RMON, Using Traffic Prioritization, Using - software

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Switch Features Explained 19 Traffic prioritization ensures that high priority data is forwarded through the Switch without being delayed by lower priority data. Traffic prioritization uses the two traffic queues that are present in the hardware of the Switch to ensure that high priority traffic is forwarded on a different queue from lower priority traffic. High priority traffic is given preference over low priority traffic to ensure that the most critical traffic gets the highest level of service. The traffic prioritization feature supported by your Switch using layer 2 information, is compatible with the relevant sections of the IEEE 802.1D/D17 standard (incorporating IEEE 802.1p). For more information about 802.1D and traffic prioritization, see Chapter 6 "Using Traffic Prioritization". Quality of Service Traffic prioritization can be taken one step further by using the Quality of Service (QoS) feature. Quality of Service (QoS) enables you to specify service levels for different traffic classifications. This enables you to prioritize particular applications or traffic types. The Switch uses a policy-based QoS mechanism. By default, all traffic is assigned the "normal" QoS policy profile. If needed, you can create other QoS policy profiles and apply them to different traffic types so that they have different priorities across the network. For more information about Quality of Service, see Chapter 6 "Using Traffic Prioritization". RMON Remote Monitoring (RMON) is an industry standard feature for traffic monitoring and collecting network statistics. The Switch software continually collects statistics about the LAN segments connected to the Switch. If you have a management workstation with an RMON management application, the Switch can transfer these statistics to your workstation on request or when a pre-defined threshold is exceeded. Event Notification You can configure your Switch to send you notification when certain events occur. You can receive notification via email, SMS (Short Message Server), or pager.

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Switch Features Explained
19
Traffic prioritization ensures that high priority data is forwarded through
the Switch without being delayed by lower priority data. Traffic
prioritization uses the two traffic queues that are present in the hardware
of the Switch to ensure that high priority traffic is forwarded on a
different queue from lower priority traffic. High priority traffic is given
preference over low priority traffic to ensure that the most critical traffic
gets the highest level of service.
The traffic prioritization feature supported by your Switch using layer 2
information, is compatible with the relevant sections of the IEEE
802.1D/D17 standard (incorporating IEEE 802.1p).
For more information about 802.1D and traffic prioritization, see
Chapter
6
“
Using Traffic Prioritization
”
.
Quality of Service
Traffic prioritization can be taken one step further by using the Quality of
Service (QoS) feature. Quality of Service (QoS) enables you to specify
service levels for different traffic classifications. This enables you to
prioritize particular applications or traffic types.
The Switch uses a policy-based QoS mechanism. By default, all traffic is
assigned the "normal" QoS policy profile. If needed, you can create other
QoS policy profiles and apply them to different traffic types so that they
have different priorities across the network.
For more information about Quality of Service, see
Chapter 6
“
Using
Traffic Prioritization
”
.
RMON
Remote Monitoring (RMON) is an industry standard feature for traffic
monitoring and collecting network statistics. The Switch software
continually collects statistics about the LAN segments connected to the
Switch. If you have a management workstation with an RMON
management application, the Switch can transfer these statistics to your
workstation on request or when a pre-defined threshold is exceeded.
Event Notification
You can configure your Switch to send you notification when certain
events occur. You can receive notification via email, SMS (Short Message
Server), or pager.