Cisco Nexus 5500 Series - Ip Dhcp Snooping Information Option

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Cisco Nexus 5500 Series NX-OS Security Command Reference
OL-27883-02
Chapter I Commands
ip dhcp snooping information option
ip dhcp snooping information option
To enable the insertion and removal of option-82 information for Dynamic Host Configuration Protocol
(DHCP) packets, use the ip dhcp snooping information option command. To disable the insertion and
removal of option-82 information, use the no form of this command.
ip dhcp snooping information option
no ip dhcp snooping information option
Syntax Description This command has no arguments or keywords.
Command Default By default, the device does not insert and remove option-82 information.
Command Modes Global configuration mode
Command History
Usage Guidelines To use this command, you must enable the DHCP snooping feature using the feature dhcp command.
Examples This example shows how to globally enable DHCP snooping:
switch# configure terminal
switch(config)# ip dhcp snooping information option
switch(config)#
Related Commands
Release Modification
5.2(1)N1(1) This command was introduced.
Command Description
feature dhcp Enables the DHCP snooping feature on the device.
ip dhcp snooping Globally enables DHCP snooping on the device.
ip dhcp snooping trust Configures an interface as a trusted source of DHCP messages.
ip dhcp snooping vlan Enables DHCP snooping on the specified VLANs.
show ip dhcp snooping Displays general information about DHCP snooping.
show running-config
dhcp
Displays DHCP snooping configuration, including IP Source Guard
configuration.