Dell Force10 MXL Blade - Commands to Configure Secure DHCP

198 | Dynamic Host Configuration Protocol (DHCP)
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Parameters
Command Mode
EXEC Privilege
Default
Display DHCP lease information on all DHCP client-enabled interfaces on the switch.
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
• ip dhcp snooping verify mac-address
• show ip dhcp snooping
arp inspection
Enable dynamic ARP inspection (DAI) on a VLAN.
Syntax
arp inspection
Command Modes
INTERFACE VLAN
Default
Disabled
Command
History
Related
Commands
interface type slot/
port
Display DHCP lease information on the specified interface.
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.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
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.