Service Manual

ip dhcp snooping trust
Configure an interface as trusted.
Syntax
[no] ip dhcp snooping trust
Defaults Untrusted
Command Modes INTERFACE
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
ipv6 dhcp snooping trust
Configure an interface as trusted for DHCP snooping.
Syntax
[no] ipv6 dhcp snooping trust
To disable dhcp snooping trusted capability on this interface, use the no ipv6 dhcp snooping trust
command.
Command Modes INTERFACE
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.7(0.0) Introduced on the MXL.
ip dhcp source-address-validation
Enable the IP Source Guard.
Syntax
[no] ip dhcp source-address-validation [ipmac]
Parameters
ipmac Enable IP+MAC Source Address Validation.
Defaults Disabled
Command Modes INTERFACE
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
Allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Validation.
440 Dynamic Host Configuration Protocol (DHCP)