2-4To do… Use the command… RemarksEnable DHCP dhcp enable OptionalBy default, DHCP is enabled.To improve security and avoid malicious attacks to unused sockets, Switch 4210 Family provide thefollowing functions:z UDP port 67 and UDP port 68 ports used by DHCP are enabled only when DHCP is enabled.z UDP port 67 and UDP port 68 ports are disabled when DHCP is disabled.The corresponding implementation is as follows:z After DHCP is enabled with the dhcp enable command, if the DHCP server function is notconfigured, UDP port 67 and UDP port 68 ports are kept disabled; if the DHCP server function isconfigured, UDP port 67 and UDP port 68 ports are enabled.z After DHCP is disabled with the undo dhcp enable command, even if the DHCP server function isconfigured, UDP port 67 and UDP port 68 ports will be disabled.Configuring the Global Address Pool Based DHCP ServerConfiguration Task ListComplete the following tasks to configure the global address pool based DHCP server:Task RemarksEnabling the Global Address Pool Mode on Interface(s) RequiredCreating a DHCP Global Address Pool RequiredConfiguring the static IP address allocationmodeConfiguring anAddress AllocationMode for the GlobalAddress Pool Configuring the dynamic IP address allocationmodeOne of the two options isrequiredOnly one mode can beselected for the sameglobal address pool.Configuring a Domain Name Suffix for the DHCP Client OptionalConfiguring DNS Servers for the DHCP Client OptionalConfiguring WINS Servers for the DHCP Client OptionalConfiguring Gateways for the DHCP Client OptionalConfiguring BIMS Server Information for the DHCP Client OptionalConfiguring Option 184 Parameters for the Client with Voice Service OptionalConfiguring a Self-Defined DHCP Option Optional
