JetStream 52-Port Gigabit Stackable L3 Managed Switch CLI Guide
Chapter 24 Class of Service Commands
CoS (Class of Service) function is used to optimize the network performance. It provides you
with network service experience of a better quality. The switch implements three priority
modes based on port, on 802.1p and on DSCP, and supports three queue scheduling
algorithms.
24.1 classofservice trust
Description
The classofservice trust command is used to configure the trust mode of
CoS (Class of Service) function. The default trust mode is 802.1p mode. To
return to the default configuration, please use no classofservice trust
command.
Syntax
classofservice trust { dot1p | ip-dscp | untrusted }
no classofservice trust
Parameter
dot1p——Trust 802.1p mode. In this mode, data will be classified into
different services based on the 802.1p priority and the 802.1p/CoS mapping.
ip-dscp ——Trust ip-dscp mode. In this mode, data will be classified into
different services based on the dscp priority and the DSCP-mapping.
untrusted ——Untrusted mode. In this mode, data will be classified into
different services based on the port priority and the 802.1p/CoS mapping.
Command Mode
Global Configuration Mode
Example
Configure the trust mode of CoS (Class of Service) function as dot1p:
T3700G-52TQ(config)#classofservice trust dot1p
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