Netgear GS752TP - 52PT GE POE SMART SWITCH Guia Do Administrador

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Select QoS 

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 Diffserv Configuration. 

The following screen displays:

 

The following information is displayed:

The Admin Mode for DiffServ is always Enabled.

The DiffServ Used Resources field displays the number of entries used by DiffServ.

When a policer is assigned to a class map (flows), use the DSCP Violate Action Mapping 
screen to specify the action to take when the amount of traffic in the flows exceeds the 
QoS-specified limits. The portion of the traffic that causes the flow to exceed its QoS limit is 
referred to as violate action packets.

When this action occurs, the switch remaps the original DSCP value of the violate action IP 
packets with a new value based on the DSCP Violate Action Mapping table. The switch uses 
the new values to assign resources and the egress queues to these packets. The switch also 
physically replaces the original DSCP value in the violate action packets with the new DSCP 
value.

This feature changes (remarks) the DSCP tags for incoming traffic switched between trusted 
QoS domains.

For example, assume that there are three levels of service—A, B, and C— and the DSCP 
incoming values used to mark these levels are 10, 20, and 30 respectively. If this traffic is 
forwarded to another service provider that has the same three levels of service, but uses