Reference Guide

Dynamic Host Configuration Protocol (DHCP) | 507
show ip dhcp server
c s
Display the DHCP server statistics.
Syntax show ip dhcp server statistics
Command Mode
EXEC Privilege
Default
None
Command
History
Commands to Configure Secure DHCP
DHCP as defined by RFC 2131 provides no authentication or security mechanisms.
Secure DHCP is a suite of features that protects networks that use dynamic address
allocation from spoofing and attacks.
• arp inspection
• arp inspection-trust
• clear ip dhcp snooping
• ip dhcp snooping
• ip dhcp snooping database
• ip dhcp snooping binding
• ip dhcp snooping database renew
• ip dhcp snooping trust
• ip dhcp source-address-validation
• ip dhcp snooping vlan
• ip dhcp relay information-option
• ip dhcp snooping verify mac-address
• show ip dhcp snooping
arp inspection
c e s
Enable Dynamic Arp Inspection (DAI) on a VLAN.
Syntax arp inspection
Command Modes
INTERFACE VLAN
Default
Disabled
Version 8.2.1.0 Introduced on C-Series and S-Series.