Cisco Catalyst 3550

2-386
Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show ip dhcp snooping
show ip dhcp snooping
Use the show ip dhcp snooping user EXEC command to display the DHCP snooping configuration.
show ip dhcp snooping
Syntax Description This command has no arguments or keywords.
Command Modes User EXEC
Command History
Usage Guidelines This command displays only the results of global configuration. Therefore, in this example, the circuit
ID suboption appears in its default format of vlan-mod-port, even if a string is configured for the circuit
ID.
Examples This is an example of output from the show ip dhcp snooping command.
Switch> show ip dhcp snooping
Switch DHCP snooping is enabled
DHCP snooping is configured on following VLANs:
40-42
Insertion of option 82 is enabled
circuit-id format: vlan-mod-port
remote-id format: string
Verification of hwaddr field is enabled
Interface Trusted Rate limit (pps)
------------------------ ------- ----------------
FastEthernet0/5 yes unlimited
FastEthernet0/7 yes unlimited
FastEthernet0/3 no 5000
FastEthernet0/5 yes unlimited
FastEthernet0/7 yes unlimited
FastEthernet0/5 yes unlimited
FastEthernet0/7 yes unlimited
Related Commands
Release Modification
12.1(19)EA1 This command was introduced
12.2(25)SEE The command output was updated to show the global suboption
configuration.
Command Description
show ip dhcp snooping binding Displays the DHCP snooping binding information.
show ip dhcp snooping statistics Displays the DHCP snooping statistics in summary or detail form.