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| DHCP Commands
DHCP Client
– 1386 –
DEFAULT SETTING
Disabled
COMMAND MODE
Global Configuration
COMMAND USAGE
◆ 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.
◆ This command allows two-message exchange method for prefix
delegation. When enabled, DCHPv6 client requests submitted from the
specified interface will include the rapid commit option in all solicit
messages.
EXAMPLE
Console(config)#ipv6 dhcp client rapid-commit vlan 2
Console(config)#
ipv6 dhcp restart
client vlan
This command submits a DHCPv6 client request.
SYNTAX
ipv6 dhcp restart client 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: 1-4094)
DEFAULT SETTING
None
COMMAND MODE
Privileged Exec
COMMAND USAGE
◆ This command starts the DHCPv6 client process if it is not yet running
by submitting requests for configuration information through the
specified interface(s). When DHCPv6 is restarted, the switch may
attempt to acquire an IP address prefix through stateful address auto-
configuration. If the router advertisements have the “other stateful
configuration” flag set, the switch may also attempt to acquire other
non-address configuration information (such as a default gateway or
DNS server) when DHCPv6 is restarted.
Prior to submitting a client request to a DHCPv6 server, the switch
should be configured with a link-local address using the ipv6 address
autoconfig command. The state of the Managed Address Configuration