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S12700 V200R013C00 Command 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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capwap dtls psk

capwap dtls psk

Function

The capwap dtls psk command configures a pre-shared key used for DTLS encryption.

The undo capwap dtls psk command restores the default pre-shared key used for DTLS encryption.

By default, the pre-shared key used for DTLS encryption is huawei_seccwp.

Format

capwap dtls psk psk-value

undo capwap dtls psk

Parameters

Parameter

Description

Value

psk-value

Specifies the pre-shared key used for DTLS encryption.

The value is string of characters. The pre-shared key contains 48 or 68 characters in cipher text, for example, %^%#u(Oz:BL,QKYZw%-JWC*P8aGC,="C&M'OI*Gmt.V(%^%#, or contains 6 to 32 characters in plain text, for example, a1234567. The password must contain at least two types of the following: uppercase letters, lowercase letters, digits, and special characters except the question mark (?) and space.

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

During CAPWAP tunnel establishment, an AP establishes a DTLS session with an AC. If DTLS encryption has been enabled for CAPWAP control, sent management packets will be encrypted using DTLS. When a pre-shared key is used for DTLS encryption, you can use the capwap dtls psk command to change the pre-shared key.
NOTE:
It is recommended that you change the pre-shared key in a timely manner to ensure device security.

Follow-up Procedure

Run the capwap dtls control-link encrypt command to enable CAPWAP control tunnel encapsulation using DTLS.

Precautions

After the capwap dtls psk command configuration is complete, the new pre-shared key will be automatically synchronized to the online APs that are working properly, but the previous pre-shared key still takes effect. The new pre-shared key takes effect after these APs go online again.

Example

# Configure the pre-shared key for DTLS encryption as z0020011@11.

<HUAWEI> system-view
[HUAWEI] capwap dtls psk z0020011@11
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Updated: 2019-04-09

Document ID: EDOC1100065659

Views: 116900

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