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4.6.11 CoS Queue Mapping
The switch supports 4 egress queues for each port with a strict priority
schedule. That is, each CoS value can map into one of the four queues.
The queue 4 has the highest priority to transmit the packets. Click
to save the configuration. To make the configuration effective,
go to “Save Configuration” page, then click
Figure 30. CoS Queue Mapping
4.6.12 DHCP Snooping
DHCP snooping is a DHCP security feature that provides security by
filtering untrusted DHCP messages and by building and maintaining a
DHCP binding table.You can assign some ports to be trusted ports. The
selected (trusted) port forwards the DHCP packets as a normal port, but
the DHCP ACK packets will be dropped when the unselected (untrusted)
port receives the packets.
DHCP Snooping is: To enable or disable DHCP snooping.