Cisco Catalyst 2960-X - Page 254

DETAILED STEPS
PurposeCommand 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
Catalyst 2960-X Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX
230 OL-29048-01
Configuring DHCP
Enabling DHCP Server Port-Based Address Allocation