20-25
Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 20 Configuring DHCP Features and IP Source Guard Features
Displaying DHCP Server Port-Based Address Allocation
ip dhcp subscriber-id interface-name
ip dhcp excluded-address 10.1.1.1 10.1.1.3
!
ip dhcp pool dhcppool
network 10.1.1.0 255.255.255.0
address 10.1.1.7 client-id “Et1/0” ascii
<output truncated>
This example shows that the preassigned address was correctly reserved in the DHCP pool:
switch# show ip dhcp pool dhcppool
Pool dhcp pool:
Utilization mark (high/low) : 100 / 0
Subnet size (first/next) : 0 / 0
Total addresses : 254
Leased addresses : 0
Excluded addresses : 4
Pending event : none
1 subnet is currently in the pool:
Current index IP address range Leased/Excluded/Total
10.1.1.1 10.1.1.1 - 10.1.1.254 0 / 4 / 254
1 reserved address is currently in the pool
Address Client
10.1.1.7 Et1/0
For more information about configuring the DHCP server port-based ad dress allocation feature, go to
Cisco.com, and enter Cisco IOS IP Addressing Services in the Search field to access t he Cisco IOS
software documentation. You can also access the documentation:
http://www.cisco.com/en/US/docs/ios/ipaddr/command/reference/iad_book.html
Displaying DHCP Server Port-Based Address Allocation
To display the DHCP server port-based address allocation information, use one o r more of the privileged
EXEC commands in Table 20-4:
Table 20-4 Commands for Displaying DHCP Port-Based Address Allocation Information
Command Purpose
show interface interface id Display the status and configuration of a specific interface.
show ip dhcp pool Display the DHCP address pools.
show ip dhcp binding Display address bindings on the Cisco IOS DHCP server.