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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
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Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip dhcp snooping binding
This example shows how to display the DHCP snooping binding entries MAC address:
Switch# show ip dhcp snooping binding 55.5.5.2 0002.b33f.3d5f
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:02:B3:3F:3D:5F 55.5.5.2 492 dhcp-snooping 99 FastEthernet6/36
Switch#
This example shows how to display the DHCP snooping binding entries MAC address for a specific
VLAN:
Switch# show ip dhcp snooping binding 55.5.5.2 0002.b33f.3d5f vlan 99
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:02:B3:3F:3D:5F 55.5.5.2 479 dhcp-snooping 99 FastEthernet6/36
Switch#
This example shows how to display dynamic DHCP snooping binding entries:
Switch# show ip dhcp snooping binding dynamic
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600dhcp-snooping 100 FastEthernet3/1
Switch#
This example shows how to display DHCP snooping binding entries on VLAN 100:
Switch# show ip dhcp snooping binding vlan 100’
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
Switch#
This example shows how to display DHCP snooping binding entries on Ethernet interface 0/1:
Switch# show ip dhcp snooping binding interface FastEthernet3/1
MacAddress IP Address Lease (seconds) Type VLAN Interface
----------- ----------- ---------------- ------------ ----- ------------
0000.0100.0201 10.0.0.1 1600 dhcp-snooping 100 FastEthernet3/1
Switch#
Table2-15 describes the fields in the show ip dhcp snooping command output.
Table2-15 show ip dhcp snooping Command Output
Field Description
Mac Address Client hardware MAC address
IP Address Client IP address assigned from the DHCP server
Lease (seconds) IP address lease time
Type Binding type; statically configured from CLI or dynamically learned
VLAN VLAN number of the client interface
Interface Interface that connects to the DHCP client host