Show Ip Dhcp Snooping Binding - Cisco Catalyst 4500 Series Configuration Manual

show ip dhcp snooping binding

show ip dhcp snooping binding
Command
ip dhcp snooping
ip dhcp snooping information option
ip dhcp snooping limit rate
ip dhcp snooping trust
ip dhcp snooping vlan
To display the DHCP snooping binding entries, use the show ip dhcp snooping binding command.
Syntax Description ip-address
mac-address
vlan vlan_num
interface interface_num
Command Default If no argument is specified, the switch will display the entire DHCP snooping binding table.
Command Modes Privileged EXEC mode
Command History Release
12.1(12c)EW
Usage Guidelines DHCP snooping is enabled on a VLAN only if both the global snooping and the VLAN snooping are
enabled.
To configure a range of VLANs, use the optional last_vlan argument to specify the end of the VLAN
range.
Examples The following example shows how to display the DHCP snooping binding entries for a switch:
Switch# show ip dhcp snooping binding
MacAddress IP Address
----------- -----------
0000.0100.0201 10.0.0.1
Switch#
The following example shows how to display an IP address for DHCP snooping binding entries:
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-772
show ip dhcp snooping binding [ip-address] [mac-address] [vlan vlan_num]
[interface interface_num]
(Optional) IP address for the binding entries.
(Optional) MAC address for the binding entries.
(Optional) Specifies a VLAN.
(Optional) Specifies an interface.
Modification
This command was introduced on the Catalyst 4500 series switch.
Lease (seconds)
----------------
1600
Description
Globally enables DHCP snooping.
Enables DHCP option 82 data insertion.
Configures the number of the DHCP messages that an
interface can receive per second.
Enables DHCP snooping on a trusted VLAN.
Enables DHCP snooping on a VLAN or a group of VLANs.
Type VLAN
------------- -----
dhcp-snooping
Interface
------------
100 FastEthernet3/1
Chapter 2
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