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Fat AP and Cloud AP V200R010C00 Command Reference

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priority-map downstream dscp

priority-map downstream dscp

Function

The priority-map downstream dscp command configures mapping from the DSCP priority of 802.3 packets to the user priority of 802.11 packets when packets are sent to an RU from upper-layer devices.

The undo priority-map downstream dscp command restores the default mapping from the DSCP priority of 802.3 packets to the user priority of 802.11 packets when packets are sent to an RU from upper-layer devices.

Table 27-34 describes the default mapping from the DSCP priority of 802.3 packets to the user priority of 802.11 packets.
Table 27-34  Default mapping from the DSCP priority of 802.3 packets to the user priority of 802.11 packets

DSCP

UP

0-7

0

8-15

1

16-23

2

24-31

3

32-39

4

40-47

5

48-55

6

56-63

7

Format

priority-map downstream dscp { dscp-value1 [ to dscp-value2 ] } &<1-10> dot11e dot11e-value

undo priority-map downstream dscp

Parameters

Parameter

Description

Value

dscp dscp-value1

Specifies the DSCP priority of 802.3 packets.

The value is an integer that ranges from 0 to 63. A larger value indicates a higher priority.

to dscp-value2

Specifies the DSCP priority of 802.3 packets.

The value is an integer that ranges from 0 to 63. A larger value indicates a higher priority.

dscp-value2 must be larger than that of dscp-value1

dot11e dot11e-value

Specifies the user priority of 802.11 packets.

The value is an integer that ranges from 0 to 7. A larger value indicates a higher priority.

Views

Traffic profile view

Default Level

2: Configuration level

Usage Guidelines

802.3 and 802.11 packets use different fields to identify their priorities. 802.11 packets sent from a WMM-capable STA carry the user priority (also called the User Priority field), and IP packets transmitted on an Ethernet carry the DSCP priority (also called the ToS field). When data packets are forwarded from the central AP or upper-layer network to an RU, the RU needs to convert the 802.3 packets to 802.11 packets and map the ToS field in the IP packet header to the UP field of 802.11 packets. You can use the priority-map downstream dscp command to configure mapping from the DSCP priority of 802.3 packets to the user priority of 802.11 packets.

Example

# Configure mapping from the DSCP priority of 802.3 packets in traffic profile p1 to the user priority of 802.11 packets.

<Huawei> system-view
[Huawei] wlan
[Huawei-wlan-view] traffic-profile name p1
[Huawei-wlan-traffic-prof-p1] priority-map downstream dscp 0 to 6 dot11e 0
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Updated: 2019-11-21

Document ID: EDOC1100064352

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