apply remark-dscp

Function

The apply remark-dscp command re-marks the differentiated services code point (DSCP) (the seven left-most bits of the type of service field in an IP header) value of a packet.

The undo apply remark-dscp command cancels the configuration.

By default, no DSCP value is re-marked for traffic.

Format

apply remark-dscp { be | cs1 | af11 | af12 | af13 | cs2 | af21 | af22 | af23 | cs3 | af31 | af32 | af33 | cs4 | af41 | af42 | af43 | cs5 | ef | cs6 | cs7 | dscp-value }

undo apply remark-dscp

Parameters

Parameter	Description	Value
be	BE(0). Specifies a re-marked DSCP type. The DSCP Value is 0.	-
cs1	CS1(8). Specifies a re-marked DSCP type. The DSCP Value is 8.	-
af11	AF11(10). Specifies a re-marked DSCP type. The DSCP Value is 10.	-
af12	AF12(12). Specifies a re-marked DSCP type. The DSCP Value is 12.	-
af13	AF13(14). Specifies a re-marked DSCP type. The DSCP Value is 14.	-
cs2	CS2(16). Specifies a re-marked DSCP type. The DSCP Value is 16.	-
af21	AF21(18). Specifies a re-marked DSCP type. The DSCP Value is 18.	-
af22	AF22(20). Specifies a re-marked DSCP type. The DSCP Value is 20.	-
af23	AF23(22). Specifies a re-marked DSCP type. The DSCP Value is 22.	-
cs3	CS3(24). Specifies a re-marked DSCP type. The DSCP Value is 24.	-
af31	AF31(26). Specifies a re-marked DSCP type. The DSCP Value is 26.	-
af32	AF32(28). Specifies a re-marked DSCP type. The DSCP Value is 28.	-
af33	AF33(30). Specifies a re-marked DSCP type. The DSCP Value is 30.	-
cs4	CS4(32). Specifies a re-marked DSCP type. The DSCP Value is 32.	-
af41	AF41(34). Specifies a re-marked DSCP type. The DSCP Value is 34.	-
af42	AF42(36). Specifies a re-marked DSCP type. The DSCP Value is 36.	-
af43	AF43(38). Specifies a re-marked DSCP type. The DSCP Value is 38.	-
cs5	CS5(40). Specifies a re-marked DSCP type. The DSCP Value is 40.	-
ef	EF(46). Specifies a re-marked DSCP type. The DSCP Value is 46.	-
cs6	CS6(48). Specifies a re-marked DSCP type. The DSCP Value is 48.	-
cs7	CS7(56). Specifies a re-marked DSCP type. The DSCP Value is 56.	-
dscp-value	Specifies a re-marked DSCP value.	The value is an integer ranging from 0 to 63.

Views

Flow-Route-IPv6 view, Flow-Route view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
flow-route	write

Usage Guidelines

Usage Scenario

After the apply remark-dscp command is configured for a BGP (IPv6) Flow Specification route or BGP (IPv6) VPN Flow Specification route, the DSCP value of the traffic matching a filtering rule is re-marked, and packet transmission quality is adjusted.

Prerequisites

A BGP (IPv6) Flow Specification route or BGP (IPv6) VPN Flow Specification route has been configured using the flow-route command in the system view.

Configuration Impact

If the apply remark-dscp command is run multiple times for the same BGP (IPv6) Flow Specification route or BGP (IPv6) VPN Flow Specification route, only the latest configuration takes effect.

Different dscp values correspond to different traffic classifier types.

Example

# Configure the operation of re-marking the DSCP value of matching traffic in static BGP IPv6 Flow Specification route Rule 1.

<HUAWEI> system-view
[~HUAWEI] flow-route Rule1 ipv6
[*HUAWEI-flow-route-ipv6] if-match port equal 24
[*HUAWEI-flow-route-ipv6] apply remark-dscp 62

# Configure a filtering action for static BGP Flow Specification route Rule 1 to re-mark the DSCP value of the traffic matching a filtering rule.

<HUAWEI> system-view
[~HUAWEI] flow-route Rule1
[*HUAWEI-flow-route] if-match port equal 24
[*HUAWEI-flow-route] apply remark-dscp 56