DHCP client configuration on S series switch

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S series switches except S1700 switches can function as DHCP clients to obtain network parameters such as IP addresses from a DHCP server. Using DHCP reduces the manual configuration workload and misoperations and facilitates centralized device management for administrators.
For details about how to configure DHCP clients, see "Example for Configuring the DHCP Clients" in Typical Configuration Examples.

Other related questions:
Can the DHCP reserved address be provided for clients on S series switches
For S series switches excluding the S1700: Run the excluded-ip-address start-ip-address [ end-ip-address ] command in the IP address pool view or run the dhcp server excluded-ip-address start-ip-address [ end-ip-address ] command in the interface view to configure reserved addresses, which can be used as static addresses for clients.

DHCP configuration on S series switch does not take effect
DHCP configuration may not take effect on an S series switch due to the following reasons: 1. DHCP server is disabled on the switch. 2. The DHCP address pool is configured incorrectly. 3. No IP network segment is specified on the interface connected to DHCP clients, or the specified IP network segment is on a different network segment from the address pool. 4. If ACL resources are exhausted, the DHCP commands run globally or on an interface will not take effect.

Method to configure DHCP on S series switches
For S series switches excluding the S1700, the switch can both function as the DHCP server to assign IP addresses to clients and function as a DHCP client to dynamically obtain an IP address from the DHCP server. When the DHCP client and DHCP server are located on different network segments, the switch can also function as the DHCP relay agent to assist DHCP server in allocating IP addresses to clients. In addition, the switch can be configured with DHCP snooping to defend against DHCP attacks.

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