Cisco Catalyst 2960 Series, Configuration Manual

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DETAILED STEPS
Purpose Command or Action
Enables privileged EXEC mode. Enter your password if
prompted. enable
Example:
Switch> enable
Step 1
Enters the global configuration mode. configure terminal
Example:
Switch# configure terminal
Step 2
Configures the DHCP server to globally use the subscriber
identifier as the client identifier on all incoming DHCP
messages. ip dhcp use subscriber-id client-id
Example:
Switch(config)# ip dhcp use subscriber-id
client-id
Step 3
Automatically generates a subscriber identifier based on the
short name of the interface. ip dhcp subscriber-id interface-name
Example:
Switch(config)# ip dhcp subscriber-id
interface-name
Step 4
A subscriber identifier configured on a specific interface
takes precedence over this command.
Specifies the interface to be configured, and enter interface
configuration mode. interface interface-id
Example:
Switch(config)# interface gigabitethernet1/0/1
Step 5
Configures the DHCP server to use the subscriber identifier
as the client identifier on all incoming DHCP messages on
the interface. ip dhcp server use subscriber-id client-id
Example:
Switch(config-if)# ip dhcp server use
subscriber-id client-id
Step 6
Returns to privileged EXEC mode. end
Example:
Switch(config)# end
Step 7
Verifies your entries. show running-config
Example:
Switch# show running-config
Step 8
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1286
Configuring DHCP Server Port-Based Address Allocation