210
Switch(dhcp-1-config)#option 72 ip 10.1.128.240
20.1.24 service dhcp
Command: service dhcp
no service dhcp
Function: Enables DHCP server; the ―no service dhcp‖ command disables the DHCP
service.
Parameters: None
Default: DHCP service is disabled by default.
Command mode: Global Mode
Usage Guide: Both DHCP server and DHCP relay are included in the DHCP service.
When DHCP services are enabled, both DHCP server and DHCP relay are enabled.
Switch can only assign IP address for the DHCP clients and enable DHCP relay when
DHCP server function is enabled.
Example: Enabling DHCP server.
Switch(config)#service dhcp
20.1.25 show ip dhcp binding
Command: show ip dhcp binding [ [<ip-addr>] [type {all | manual | dynamic}]
[count] ]
Function: Displays IP-MAC binding information.
Parameters: <ip-addr> is a specified IP address in decimal format; all stands for all
binding types (manual binding and dynamic assignment); manual for manual binding;
dynamic for dynamic assignment; count displays statistics for DHCP address binding
entries.
Command mode: Admin and Configuration Mode.
Example:
Switch# show ip dhcp binding
IP address Hardware address Lease expiration Type
10.1.1.233 00-00-E2-3A-26-04 Infinite Manual
10.1.1.254 00-00-E2-3A-5C-D3 60 Automatic
IP address assigned to a DHCP client
MAC address of a DHCP client
Valid time for the DHCP client to hold the IP
address