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Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter 33 Configuring DHCP Snooping and IP Source Guard
Displaying IP Source Binding Information
You can also use the show ip verify source command to display all interfaces on the switch that have IP
source guard enabled:
Interface Filter-type Filter-mode IP-address Mac-address Vlan
--------- ----------- ----------- --------------- -------------- ---------
fa6/1 ip active 10.0.0.1 10
fa6/1 ip active deny-all 11-20
fa6/2 ip inactive-trust-port
fa6/3 ip inactive-no-snooping-vlan
fa6/4 ip-mac active 10.0.0.2 aaaa.bbbb.cccc 10
fa6/4 ip-mac active 11.0.0.1 aaaa.bbbb.cccd 11
fa6/4 ip-mac active deny-all deny-all 12-20
fa6/5 ip-mac active 10.0.0.3 permit-all 10
fa6/5 ip-mac active deny-all permit-all 11-20
Displaying IP Source Binding Information
You can display all IP source bindings configured on all interfaces on a switch using the
show ip source binding command.
Switch# sh ip source binding
MacAddress IpAddress Lease(sec) Type VLAN Interface
------------------ --------------- ---------- ------------- ---- --------------------
00:02:B3:3F:3B:99 55.5.5.2 6522 dhcp-snooping 10 FastEthernet6/10
00:00:00:0A:00:0B 11.0.0.1 infinite static 10 FastEthernet6/10
Switch#
Table 33-3 describes the fields in the show ip source binding command output.
Table 33-3 show ip source binding 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; static bindings configured from CLI to dynamic binding
learned from DHCP Snooping
VLAN VLAN number of the client interface
Interface Interface that connects to the DHCP client host
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