CLI Reference Guide-R07

Chapter 26 | DHCP Commands (IPv4 and IPv6)
DHCP Client
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Example
The following command submits a client request on VLAN 1.
Console#ipv6 dhcp restart client vlan 1
Console#
Related Commands
ipv6 address autoconfig (662)
show ipv6 dhcp duid This command shows the DHCP Unique Identifier for this switch.
Command Mode
Privileged Exec
Command Usage
DHCPv6 clients and servers are identified by a DHCP Unique Identifier (DUID)
included in the client identifier and server identifier options. Static or dynamic
address prefixes may be assigned by a DHCPv6 server based on the client’s DUID.
Example
Console#show ipv6 dhcp duid
DHCPv6 Unique Identifier (DUID): 0001-0001-4A8158B4-00E00C0000FD
Console#
show ipv6 dhcp vlan This command shows DHCPv6 information for the specified interface(s).
Syntax
show ipv6 dhcp vlan vlan-list
vlan-list - VLAN ID, specified as a single number, a range of consecutive
numbers separated by a hyphen, or multiple numbers separated by
commas. (Range: 1-4094; Maximum command length: 300 characters)
Command Usage
Each allocation in the DHCPv6 server is identified by a DUID and an IAID. IAID
means Interface Association Identifier, and is a binding between the interface and
one or more IP addresses.
Command Mode
Privileged Exec
Example
Console#show ipv6 dhcp vlan 1
VLAN 1 is in DHCP client mode, Rapid-Commit
IAID: C0000F0