Cisco Systems 2960 Manual De Usuario

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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 address allocation feature, go to 
Cisco.com, and enter Cisco IOS IP Addressing Services in the Search field to access the Cisco IOS 
software documentation. You can also access the documentation:
Displaying DHCP Server Port-Based Address Allocation
To display the DHCP server port-based address allocation information, use one or more of the privileged 
EXEC commands in 
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.