IP Configuration
IPv4 Management and Interfaces
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x 278
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DHCP Server
This section covers the following topics:
•Overview
• Properties
•Network Pool
• Excluded Addresses
• Static Hosts
• DHCP Options
• Address Binding
Overview
The DHCPv4 Server feature enables you to configure the device as a DHCPv4 server. A
DHCPv4 server is used to assign IPv4 address and other information to another device (DHCP
client)
The DHCPv4 server allocates IPv4 addresses from a user-defined pool of IPv4 addresses.
These can be in the following modes:
• Static Allocation—The hardware address or client identifier of a host is manually
mapped to an IP address. This is done in the Static Hosts page.
• Dynamic Allocation—A client obtains a leased IP address for a specified period of
time (that can be infinite). If the DHCP client does not renew the allocated IP Address,
the IP address is revoked at the end of this period, and the client must request another
IP address. This is done in the Network Pool page.
Dependencies Between Features
• It is impossible to configure DHCP server and DHCP client on the system at the same
time, meaning: if one interface is DHCP client enabled, it is impossible to enable
DHCP server globally.
• If DHCPv4 Relay is enabled, the device cannot be configured as a DHCP server.
Default Settings and Configurations
• The device is not configured as a DHCPv4 server by default.
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