Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
show ip dhcp snooping binding
This example shows how to display the DHCP snooping binding entries on a port:
Switch> show ip dhcp snooping binding interface gigabitethernet2/0/2
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:30:94:C2:EF:35 10.1.2.151 290 dhcp-snooping 20 GigabitEthernet2/0/2
Total number of bindings: 1
This example shows how to display the DHCP snooping binding entries on VLAN 20:
Switch> show ip dhcp snooping binding vlan 20
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
01:02:03:04:05:06 10.1.2.150 9747 dhcp-snooping 20 GigabitEthernet2/0/1
00:00:00:00:00:02 10.1.2.151 65 dhcp-snooping 20 GigabitEthernet2/0/2
Total number of bindings: 2
Table 2-35 describes the fields in the show ip dhcp snooping binding command output:
Related Commands
Table 2-35 show ip dhcp snooping binding Command Output
Field Description
MacAddress Client hardware MAC address
IpAddress Client IP address assigned from the DHCP server
Lease(sec) Remaining lease time for the IP address
Type Binding type
VLAN VLAN number of the client interface
Interface Interface that connects to the DHCP client host
Total number of bindings Total number of bindings configured on the switch
Note The command output might not show the total number of
bindings. For example, if 200 bindings are configured on the
switch and you stop the display before all the bindings appear, the
total number does not change.
Command Description
ip dhcp snooping binding Configures the DHCP snooping binding database
show ip dhcp snooping Displays the DHCP snooping configuration.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing