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Configure Quality of Service
140
GS752TP, GS728TP, and GS728TPP Gigabit Smart Switches
The following screen displays:
2. From the Global Trust Mode menu, specify whether to trust a particular packet marking at
ingress.
Global Trust Mode can be only one of the following:
• Untrusted. Do not trust any CoS packet marking at ingress.
• 802.1p.
The eight priority tags that are specified in IEEE 802.1p are p0 to p7. The
QoS setting lets you map each of the eight priority levels to one of four internal
hardware priority queues.
• DSCP.
The six most significant bits of the DiffServ field are called the Differentiated
Services Code Point (DSCP) bits.
3. Click APPL
Y to send the updated configuration to the switch.
CoS Interface Configuration
Use the CoS Interface Configuration screen to apply an interface shaping rate to all
interfaces or to a specific interface.
To configure CoS settings for an interface:
1. Select QoS
CoS Advanced CoS Interface Configuration.
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