Command Line Reference Guide

Dynamic Host Configuration Protocol (DHCP) | 449
arp inspection
c e s
Enable Dynamic Arp Inspection (DAI) on a VLAN.
Syntax
arp inspection
Command Modes
INTERFACE VLAN
Default
Disabled
Command
History
Related
Commands
arp inspection-trust
c e s
Specify a port as trusted so that ARP frames are not validated against the binding table.
Syntax
arp inspection-trust
Command Modes
INTERFACE
INTERFACE PORT-CHANNEL
Default
Disabled
Command
History
Related
Commands
clear ip dhcp snooping
c e s
Clear the DHCP snooping binding table.
Syntax
clear ip dhcp snooping binding
Command Modes
EXEC Privilege
Default
None
Command
History
Related
Commands
Version 8.3.1.0 Introduced on E-Series.
Version 8.2.1.0 Introduced on C-Series and S-Series
arp inspection-trust
Specify a port as trusted so that ARP frames are not validated against the
binding table.
Version 8.3.1.0 Introduced on E-Series.
Version 8.2.1.0 Introduced on C-Series and S-Series
arp inspection Enable Dynamic ARP Inspection on a VLAN.
Version 8.3.1.0 Introduced on E-Series.
Version 7.8.1.0 Introduced on C-Series and S-Series
show ip dhcp snooping Display the contents of the DHCP binding table.