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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ip relay address cycle

ip relay address cycle

Function

The ip relay address cycle command enables the DHCP server polling function on a DHCP relay agent.

The undo ip relay address cycle command disables the DHCP server polling function on a DHCP relay agent.

By default, DHCP server polling is disabled on a DHCP relay agent.

Format

ip relay address cycle

undo ip relay address cycle

Parameters

None

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

This command applies to DHCP relay agents. When multiple DHCP server addresses are configured on a DHCP relay agent, the DHCP relay agent forwards DHCP Discover messages to all servers by default. As a result, DHCP servers need to process a large number of messages, leading to heavy loads of servers. To solve this problem, configure the ip relay address cycle command. After this command is configured, the DHCP relay agent forwards a received DHCP Discover message to one DHCP server at a time, and forwards the DHCP Discover message to a different DHCP server each time it receives the message. Multiple DHCP servers then can allocate the same number of IP addresses, implementing load balancing among DHCP servers.

Prerequisites

DHCP has been enabled globally using the dhcp enable command.

Example

# Enable DHCP server polling on the wireless access point in the system view.

<Huawei> system-view
[Huawei] dhcp enable
[Huawei] ip relay address cycle
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Updated: 2019-11-21

Document ID: EDOC1100064352

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