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S5720HI V200R010C00 Configuration Guide - WLAN-AC

This document describes native AC (hereinafter referred to as WLAN AC) configuration procedures and provides configuration examples.

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Wired Equivalent Privacy (WEP), defined in IEEE 802.11, is used to protect the data of authorized users from tampering during transmission on a WLAN. WEP uses the RC4 algorithm to encrypt data using a 64-bit, 128-bit, or 152-bit encryption key. An encryption key contains a 24-bit initialization vector (IV) generated by the system, so the length of key configured on the WLAN server and client is 40-bit, 104-bit, or 128-bit. WEP uses a static encryption key. That is, all STAs associating with the same SSID use the same key to connect to the wireless network.

A WEP security policy defines a link authentication mechanism and a data encryption mechanism.

Link authentication mechanisms include open system authentication and shared key authentication. For details about link authentication, see "Link Authentication" in STA Access.

  • If open system authentication is used, data is not encrypted during link authentication. After a user goes online, service data can be encrypted by WEP or not, depending on the configuration.

  • If shared key authentication is used, the WLAN client and server complete key negotiation during link authentication. After a user goes online, service data is encrypted using the negotiated key.

Updated: 2019-12-28

Document ID: EDOC1000141952

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