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Commands for DHCPv6
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Chapter 27 Commands for DHCPv6
27.1 clear ipv6 dhcp binding
Command: clear ipv6 dhcp binding [<ipv6-address>] [pd <ipv6-prefix |
prefix-length>]
Function: To clear one specified DHCPv6 assigned address binding record or all the
IPv6 address binding records.
Parameter: <ipv6-address> is the specified IPv6 address with binding record;
<ipv6-prefix| prefix-length> is the specified IPv6 prefix with binding record; To clear all
IPv6 address binding record if there is no specified record.
Command Mode: Admin Configuration Mode.
Usage Guide: DHCPv6 IPv6 address binding information can be displayed through the
command show ipv6 dhcp binding. If DHCPv6 client does not use the DHCPv6
allocated IPv6 address but when the life time of the IPv6 address does not end, the
DHCPv6 server will not remove its bind for this address. In this situation, the address
binding information can be removed manually through this command; and if no
parameter is appended, this command will remove all the address binding information,
then all addresses and prefix will be assigned again in the DHCPv6 address pool.
Example: To delete all binding record of IPv6 address and prefix.
Switch#clear ipv6 dhcp binding
Relative Command: show ipv6 dhcp binding
27.2 clear ipv6 dhcp conflict
Command: clear ipv6 dhcp conflict [<address>]
Function: Clear the address with the conflict record in address conflict log.
Parameter: <address> is the specified address with the conflict record, no specified
address will clear all conflict records.
Command mode: Admin Mode
Usage Guide: With show ipv6 dhcp conflict command, the user can check the conflict
in which IP addresses. With this command, the user can clears the conflict record of an
address. If no specified address will clear the conflict record of all addresses in log. After
the conflict records are cleared in log, these addresses can be used by DHCPv6 server
again.
Example: When administrator checks the conflict logs, administrator discovers that