Concept Guide

ipv6 dhcp pool
ipv6 dhcp pool <pool-name>
dns-server <ipv6-address>
domain-name <domain>
lease <days> <hours> <minutes> <seconds>
network <network prefix>
no ...
option <code> {ip <ipv6-addr> | text <string>}
preference <1-255>
Description
This command configures a DHCPv6 pool on the controller.
Syntax
Parameter Description
dns-server
IPv6 address of the DNS server.
domain-name
Domain name to which the client belongs.
lease
The amount of time that the assigned IPv6 address is valid for the client. Specify the
lease in <days> <hours> <minutes> <seconds>. The default value is 12 hours.
network
The DHCPv6 network prefix.
no
Negates any configured parameter.
option
Client-specific option code and IPv6 address or text. See RFC 3315, “Dynamic Host
Configuration Protocol for IPv6 (DHCPv6)”.
preference
The DHCPv6 server preference.
Usage Guidelines
A DHCPv6 pool should be created for each IPv6 subnetwork for which DHCPv6 services should be provided.
DHCPv6 pools are not specifically tied to VLANs, as the DHCPv6 server exists on every VLAN. When the
controller receives a DHCPv6 request from a client, it examines the origin of the request to determine if it
should respond. If the IPv6 address of the VLAN matches a configured DHCPv6 pool, the controller answers
the request.
Example
The following command configures a DHCPv6 pool:
(host) (config) #ipv6 dhcp pool DHCPv6
dns-server 2001:470:20::2
domain-name test.org
lease 0 12 0 0
network 2001:470:20::/64
option 24 text “Domain Search List”
preference 25
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