C
HAPTER
39
| DHCP Commands
DHCP for IPv6
– 957 –
â—† If the BOOTP or DHCP server has been moved to a different domain,
the network portion of the address provided to the client will be based
on this new domain.
EXAMPLE
In the following example, the device is reassigned the same address.
Console(config)#interface vlan 1
Console(config-if)#ip address dhcp
Console(config-if)#exit
Console#ip dhcp restart client
Console#show ip interface
Vlan 1 is Administrative Up - Link Up
Address is 12-34-12-34-12-34 (bia 12-34-12-34-12-34)
Index: 1001, MTU: 1500, Bandwidth: 1g
Address Mode is DHCP
IP Address: 192.168.0.9 Mask: 255.255.255.0
Proxy ARP is disabled
Console#
RELATED COMMANDS
ip address (962)
DHCP for IPv6
ipv6 dhcp client
rapid-commit vlan
This command specifies the Rapid Commit option for DHCPv6 message
exchange for all DHCPv6 client requests submitted from the specified
interface. Use the no form to disable this option.
SYNTAX
[no] ipv6 dhcp client rapid-commit vlan vlan-id
vlan-id - VLAN ID, specified as a single number, a range of
consecutive numbers separated by a hyphen, or multiple numbers
separated by commas. (Range: 1-4093, no leading zeroes)
DEFAULT SETTING
Disabled
COMMAND MODE
Global Configuration
COMMAND USAGE
â—† DHCPv6 clients can obtain configuration parameters from a server
through a normal four-message exchange (solicit, advertise, request,
reply), or through a rapid two-message exchange (solicit, reply). The
rapid-commit option must be enabled on both client and server for the
two-message exchange to be used.
â—† This command allows two-message exchange method for prefix
delegation. When enabled, DCHPv6 client requests submitted from the
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