Concept Guide

ip dhcp snooping database renew
Renew the binding table.
Syntax
ip dhcp snooping database renew
Defaults none
Command Modes
• EXEC
• EXEC Privilege
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.19.0 Introduced on the MXL 10/40GbE Switch IO Module.
ip dhcp snooping trust
Congure an interface as trusted.
Syntax
[no] ip dhcp snooping trust
Defaults Untrusted
Command Modes INTERFACE
Supported Modes Full–Switch
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.
ip dhcp source-address-validation
Enable IP source guard.
Syntax
[no] ip dhcp source-address-validation
Defaults Disabled.
Command Modes INTERFACE
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
1208 Security