3Com 3C15500 - Network Director - PC, Руководство пользователя, Страница: 636 / 924

632 C
HAPTER
15: P
RIORITIZING
N
ETWORK
T
RAFFIC
The wizard determines which of the devices it configures are capable of
the required classification and handles these devices as boundary nodes.
These devices are configured by the wizard to classify the traffic and to
apply appropriate DiffServ codepoint markings. Devices not capable of
the required classification are configured by the wizard to classify traffic
based upon the DiffServ codepoint values that the boundary nodes mark
the traffic with. This ensures that all configured devices are able to
participate in the prioritization of network traffic.
Whilst the Prioritize Network Traffic Wizard configures devices to mark
the user priority field as well as the DiffServ codepoint, it does not
configure devices to use the tagged MAC headers. However, if VLANs
have been configured on some or all of the ports on the configured
devices then the appropriate user priority data will be added to the
packets that are transmitted out of these ports. See
“Vlan Management”
on page 499 for more information on configuring VLANs using 3Com
Network Director.
Configuration Type Step
You can select which of the supported 3Com devices in your network you
wish to configure as follows (See
Figure 345 ):
Figure 345 Prioritize Network Traffic Wizard - Configuration Type