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Configuration User Manual
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Chapter
14
QOS
14.1 Protocol Description
QoS (Quality of Service) defines the ability to provide different priorities to
different applications, users or data flows or the ability to guarantee a certain
level of performance to a data flow. QoS at layer 2 involves 802.1p support.
QoS also includes support for DiffServ (Differentiated services). This includes
the flow based on specific rate limits, scheduling and shaping.
different applications, users or data flows or the ability to guarantee a certain
level of performance to a data flow. QoS at layer 2 involves 802.1p support.
QoS also includes support for DiffServ (Differentiated services). This includes
the flow based on specific rate limits, scheduling and shaping.
QoS supports 802.1p for mapping VLAN priority to traffic class/queues. It
also supports DiffServ features which include scheduling and shaping based
on the features supported by the switching silicon used. The realization of
QoS is done using the QoSx module on the platforms based on AXM.
also supports DiffServ features which include scheduling and shaping based
on the features supported by the switching silicon used. The realization of
QoS is done using the QoSx module on the platforms based on AXM.
14.2 Topology
Figure 14-1: QOS Topology
Table 14-1: QOS Topology Description
Switch / Host
Interface of FDN40 Switches
IPv4 Address / Mask
FDN40-1
VLAN 1
12.0.0.1/255.0.0.0