Cisco Catalyst 3560X-24P User Manual

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Catalyst 3750-X and 3560-X Switch Command Reference
OL-21522-02
Chapter 2 Catalyst 3750-X and 3560-X 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 [ | {begin | exclude | include} expression]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
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
Option 82 on untrusted port is allowed
Verification of hwaddr field is enabled
Interface Trusted Rate limit (pps)
------------------------ ------- ----------------
GigabitEthernet1/0/1 yes unlimited
GigabitEthernet1/0/2 yes unlimited
GigabitEthernet1/0/3 no 2000
GigabitEthernet1/0/4 yes unlimited
Related Commands
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.2(53)SE2 This command was introduced.
Command Description
show ip dhcp snooping binding Displays the DHCP snooping binding information.

Cisco Catalyst 3560X-24P Specifications

General

Brand	Cisco
Model	Catalyst 3560X-24P
Category	Switch
Language	English