Show Ip Dhcp Snooping - Cisco Catalyst 4500 Series Configuration Manual

Chapter 2

show ip dhcp snooping

To display the DHCP snooping configuration, use the show ip dhcp snooping command.
Syntax Description
This command has no arguments or keywords.
Command Default
This command has no default settings.
Command Modes Privileged EXEC mode
Command History Release
12.1(12c)EW
12.2(25)EWA
Examples The following example shows how to display the DHCP snooping configuration:
Switch# show ip dhcp snooping
Switch DHCP snooping is enabled
DHCP snooping is configured on following VLANs:
500,555
DHCP snooping is operational on following VLANs:
500,555
DHCP snooping is configured on the following L3 Interfaces:
Insertion of option 82 is enabled
circuit-id default format: vlan-mod-port
remote-id: switch123 (string)
Option 82 on untrusted port is not allowed Verification of hwaddr field is enabled DHCP
snooping trust/rate is configured on the following Interfaces:
Interface Trusted Rate limit (pps)
------------------------ ------- ----------------
FastEthernet5/1 yes 100
Custom circuit-ids:
VLAN 555: customer-555
FastEthernet2/1 no unlimited
Custom circuit-ids:
VLAN 500: customer-500
Switch#
show ip dhcp snooping
Modification
This command was introduced on the Catalyst 4500 series switch.
Support for option 82 on untrusted ports was added.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
show ip dhcp snooping
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