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Fat AP and Cloud AP V200R010C00 Command Reference

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dhcp option82 insert enable

dhcp option82 insert enable

Function

The dhcp option82 insert enable command enables the function of adding the Option 82 field to DHCP packets sent by STAs.

The undo dhcp option82 insert enable command disables the function of adding the Option 82 field to DHCP packets sent by STAs.

By default, the function of adding the Option 82 field to DHCP packets sent by STAs is disabled.

Format

dhcp option82 insert enable

undo dhcp option82 insert enable

Parameters

None

Views

VAP profile view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

After going online, a STA obtains the IP address through DHCP. When the DHCP Request packet from the STA reaches an RU, the RU adds the Option 82 field to the packet and sends the packet to the DHCP server. The Option 82 field contains the MAC address or SSID of the associated RU. Therefore, the DHCP server knows the RU on which the STA goes online.

Prerequisites

Before enabling the function of adding the Option 82 field to DHCP packets sent by STAs, run the undo learn-client-address disable command to enable the STA IP address learning. By default, STA IP address learning is enabled.

Example

# Enable the function of adding the Option 82 field to DHCP packets sent by STAs.

<Huawei> system-view
[Huawei] wlan 
[Huawei-wlan-view] vap-profile name vap1
[Huawei-wlan-vap-prof-vap1] dhcp option82 insert enable
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Updated: 2019-11-21

Document ID: EDOC1100064352

Views: 202662

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