The Dynamic Host Configuration Protocol (DHCP) provides a means for network devices to dynamically be assigned IP addresses from a DHCP server. The FLEX24-10G can act as its own standalone DHCP server, leasing IP addresses to hosts, or as a relay, relaying DHCP packets between hosts and a separate DHCP server.
Configuration
The configuration of the DHCP server is done as below,
- Excluded Addresses
Excluded addresses are IP addresses that the DHCP server will not assign to hosts. In a network, there are often critical servers that have been assigned a static IP address. If the DHCP server does not know about these statically configured IP addresses, there is a possibility of the server trying to assign the same address to another host. - Creating a DHCP Pool
A DHCP Pool specifies the address space from which the DHCP server can assign IP addresses. - Enabling the DHCP Server
Once the DHCP pool has been properly configured, the server is not yet operational. The server must be enabled both globally and on the VLAN in which the clients are located. - DHCP Snooping and Relay
- DHCP snooping is a security feature that is designed to drop DHCP traffic deemed to be unacceptable.
- DHCP Relay is used when the DHCP client and server do not reside on the same subnet. DHCP relay, the relay agent acts as the middleman between the clients and the DHCP server, forwarding DHCP messages between the two.
Refer to the Admin Guide for all the commands and the step-by-step detailed explanation on how to setup a DHCP server on the NVT Phybridge FLEX24-10G switch. You’ll find additional resources like the Datasheet, Admin Guide, A&E spec sheet, etc on the product page here.
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