Commands To Configure Secure Dhcp - Dell Force10 MXL Blade Reference Manual

Parameters
Command Mode
Default
Command
History

Commands to Configure Secure DHCP

arp inspection
Syntax
Command Modes
Default
Command
History
Related
Commands
198 | Dynamic Host Configuration Protocol (DHCP)
interface type slot/
Display DHCP lease information on the specified interface.
port
For a 10-GigabitEthernet Ethernet interface, enter TenGigabitEthernet followed
by the slot/port numbers; for example, tengigabitethernet 1/3.
For a 40-GigabitEthernet Ethernet interface, enter FortyGigabitEthernet followed
by the slot/port numbers; for example, fortygigabitethernet 0/2.
EXEC Privilege
Display DHCP lease information on all DHCP client-enabled interfaces on the switch.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
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
• ip dhcp snooping verify mac-address
• show ip dhcp snooping
Enable dynamic ARP inspection (DAI) on a VLAN.
arp inspection
INTERFACE VLAN
Disabled
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
arp inspection-trust Specifies a port as trusted so that ARP frames are not validated against
the binding table.