Show Ip Dhcp Snooping - Cisco Catalyst 3560-X Command Reference Manual

show ip dhcp snooping

show ip dhcp snooping
Syntax Description
Command Modes
Command History
Usage Guidelines
Examples
Related Commands
Catalyst 3750-X and 3560-X Switch Command Reference
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Use the show ip dhcp snooping user EXEC command to display the DHCP snooping configuration.
show ip dhcp snooping [ | {begin | exclude | include} expression]
| 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.
User EXEC
Release Modification
12.2(53)SE2 This command was introduced.
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.
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
------------------------
GigabitEthernet1/0/1
GigabitEthernet1/0/2
GigabitEthernet1/0/3
GigabitEthernet1/0/4
Command
show ip dhcp snooping binding
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Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands
Trusted Rate limit (pps)
------- ----------------
yes unlimited
yes unlimited
no 2000
yes unlimited
Description
Displays the DHCP snooping binding information.
OL-21522-02