Service Manual

Parameters
all Display DHCP client statistics on all DHCP client-enabled interfaces on the switch.
interface type slot/
port
Display DHCP client statistics on the specified interface.
• For a 10-GigabitEthernet Ethernet interface, enter TenGigabitEthernet then the
slot/port numbers; for example, tengigabitethernet 1/3.
• For a 40-GigabitEthernet Ethernet interface, enter FortyGigabitEthernet then
the slot/port numbers; for example, fortygigabitethernet 0/2.
Defaults none
Command Modes EXEC Privilege
Command History
Version Description
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
show ip dhcp lease
Display lease information about the dynamic IP address currently assigned to a DHCP client-enabled interface.
Syntax
show ip dhcp lease [interface type slot/port]
Parameters
interface type slot/
port
Display DHCP lease information on the specified interface.
• For a 10-GigabitEthernet Ethernet interface, enter TenGigabitEthernet then the
slot/port numbers; for example, tengigabitethernet 1/3.
• For a 40-GigabitEthernet Ethernet interface, enter FortyGigabitEthernet then
the slot/port numbers; for example, fortygigabitethernet 0/2.
Defaults Display DHCP lease information on all DHCP client-enabled interfaces on the switch.
Command Modes EXEC Privilege
Command History
Version Description
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
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
Enable dynamic arp inspection (DAI) on a VLAN.
Syntax
arp inspection
Defaults Disabled
434 Dynamic Host Configuration Protocol (DHCP)