H3C S5100-SI Operation Manual page 395

Ethernet switches

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Best Effort (BE) class: This class is a special CS class that does not provide any

assurance. AF traffic exceeding the limit is degraded to the BE class. Currently, all IP

network traffic belongs to this class by default.

Table 1-3 Description on DSCP values

DSCP value (decimal)

2) 802.1p precedence

802.1p precedence lies in Layer 2 packet headers and is applicable to occasions where

Layer 3 packet analysis is not needed and QoS must be assured at Layer 2.

DSCP value (binary)

be (default)

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