Netgear FS526Tv2 - 24-Port Smart Switch with Gigabit Ports Guia Do Utilizador

value in a packet’s IP header, the packet is placed in the queue to which you mapped the 
DSCP value.

Untrusted. The priority designation of an incoming packet is considered untrusted and 
the smart switch uses the port default priority value instead. All packets that arrive at the 
ingress queue of an untrusted port are directed to a specific CoS queue on the 
appropriate egress port or ports, in accordance with the configured default priority of the 
ingress port. 

This process is also used for cases in which a trusted port mapping cannot be honored, 
such as when a non-IP packet arrives at a port that is configured to trust the IP DSCP 
value.

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Select QoS > Basic > CoS Configuration.

The CoS Configuration screen displays.

By default, the Global radio button is selected, enabling you to configure the global trust 
mode that applies to all ports and LAGs on the smart switch.

From the Global Trust Mode menu, select the global trust mode:

Untrusted. The priority designation of an incoming packet is considered untrusted 
and the smart switch uses the port default priority values instead. You can configure 
the port default priority values on the Port PVID Configuration screen (see 

802.1p. The trust mode for all ports and LAGs is 802.1p. You can configure the 
priority-to-queue mapping on the 802.1p to Queue Mapping screen (see 

DSCP. The trust mode for all ports and LAGs is DSCP. You can configure the 
DSCP-to-queue mapping on the DSCP to Queue Mapping screen (see