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AR500, AR510, and AR530 V200R007 Commands Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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qos pre-classify

qos pre-classify

Function

The qos pre-classify command enables pre-extraction of original IP packets.

The undo qos pre-classify command disables pre-extraction of original IP packets.

By default, pre-extraction of original IP packets is disabled.

Format

qos pre-classify

undo qos pre-classify

Parameters

None

Views

Tunnel interface view, IPSec Efficient VPN policy view, Manual IPSec policy view, IPSec policy view , IPSec policy template view, IPSec profile view, GDOI policy view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

In tunnel mode, QoS parameters such as the packet header and protocol type in original packets are hidden after IP packets are encapsulated through IPSec. Although IPSec uses the DSCP field in original packets as the DSCP field in the IP packet header, some QoS solutions require quintuple information. The encryption device can pre-extract quintuple information including the source address, destination address, protocol type, source port number, and destination port number to facilitate refined QoS management on IPSec packets.

In an A2A VPN solution, the device uses the IP header of original packets as the IP header for encapsulated A2A VPN packets. Therefore, you do not need to configure this command if the device classifies packets based on the source address, destination address, or protocol type only.

Follow-up Procedure

After pre-extraction of original IP packets is enabled, run the if-match acl { acl-number | acl-name } command in the traffic classifier view to configure a matching rule based on the ACL.

Example

# Enable pre-extraction of original IP packets in the IPSec policy view.

<Huawei> system-view
[Huawei] ipsec policy policy1 10 isakmp
[Huawei-ipsec-policy-isakmp-policy1-10] qos pre-classify
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Updated: 2019-05-29

Document ID: EDOC1000097293

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