Cisco Systems 2960 Displaying DHCP Snooping Information

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Catalyst 2960 Switch SoftwareConfiguration Guide
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Chapter19 Configuring DHCP Feat ures
Displaying DHCP Snooping Information
To stop using the database agent and binding files, use the no ip dhcp snooping database global
configuration command. To reset the timeout or delay values, use the ip dhcp snooping database
timeout seconds or the ip dhcp snooping database write-delay seconds global configuration
command.
To clear the statistics of the DHCP snooping binding database agent, use the clear ip dhcp snooping
database statistics privileged EXEC command. To renew the database, use the renew ip dhcp snooping
database privileged EXEC command.
To delete binding entries from the DHCP snooping binding database, use the no ip dhcp snooping
binding mac-address vlan vlan-id ip-address interface interface-id privileged EXEC command. Enter
this command for each entry that you want to delete.
Displaying DHCP Snooping Information
To display the DHCP snooping information, use one or more of the privileged EXEC commands in
Table19-2:
Note If DHCP snooping is enabled and an interface changes to the down state, the switch does not delete the
statically configured bindings.
Step7 show ip dhcp snooping database
[detail]
Display the status and statistics of the DHCP snooping binding database
agent.
Step8 copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Table19-2 Commands for Displaying DHCP Information
Command Purpose
show ip dhcp snooping Displays the DHCP snooping configuration for a switch
show ip dhcp snooping binding Displays only the dynamically configured bindings in the DHCP snooping binding
database, also referred to as a binding table.
show ip dhcp snooping database Displays the DHCP snooping binding database status and statistics.