Administrator Guide

Version Description
9.14(1.0) Enhanced to support non-default VRF configuration for DHCPv6 helper address.
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S4810, S4820T, S6000, S6000–ON, Z9000, and Z9500.
Usage Information
Use this command on the interfaces where the DHCP clients are connected to forward the packets from clients
to DHCP server and vice-versa.
Example
DellEMC(conf-if-te-1/1/1/1)# ipv6 helper-address
X:X:X:X::X IPv6 helper address
VRF VRF name.
show ip dhcp snooping
Display the contents of the DHCP binding table or display the interfaces configured with IP Source Guard.
Syntax
show ip dhcp snooping [binding | source-address-validation [discard-counters
[interface interface]]]
Parameters
Parameters Description
binding
Display the binding table.
source-address-
validation
Display the interfaces configured with IP Source Guard.
discard-counters
(OPTIONAL) Display the number of dropped packets.
interface interface
(OPTIONAL) Specifies an interface to show the discard counters.
Enter any of the following keywords and the interface information:
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then
the
stack/slot/port/subport information.
• For a 25-Gigabit Ethernet interface, enter the keyword twentyFiveGigE then the
stack/slot/port/subport information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the stack/
slot/port[/subport] information.
• For a 50-Gigabit Ethernet interface, enter the keyword fiftyGigE then the stack/
slot/port/subport information.
• For a 100-Gigabit Ethernet interface, enter the keyword hundredGigE then the
stack/slot/port information.
• For a port channel interface, enter the keywords port-channel then a number.
Defaults None
Command Modes
• EXEC
• EXEC Privilege
Dynamic Host Configuration Protocol (DHCP) 551