DHCP Option 52

Detailed Configuration

Please note, the following configuration assumes the systems are already configured following vendor deployment documentation.

Cisco IOS Switch: DHCP Server

configure terminal

ipv6 dhcp pool [pool name]

address prefix [IPv6-prefix] lifetime [TTL in seconds 5 to 4294967295 OR infinite]

link-address [IPv6-prefix]

vendor-specific [Vendor ID]

suboption [number 1-65535] [IPv6 Address or ASCII text or HEX string *dependant on option used*]

  * For option 52
  * suboption 52 [array of IPv6 Controller Addresses seperated by , or ; ]

end

The above configuration assumes an interface has already been configured to answer DHCP requests.

Windows Server 2008 - 2012: DHCP Server

Open DHCP Manager

Right Click IPv6

Select "Set Predefined Options

From "Options Class" select "DHCP Standard Options" and click "Add"

In the "Option Type" window

• Enter a Name for the new Option (ie: capwap-ac-v6)
• Set the Data Type to "IPv6 Address"
• Enter the Code of "52"
• click "OK and "OK"

To assign the new option to a scope

• Expand IPv6 Scope
• Right Click "Scope Options"
• Select "Configure Options"
  • In the Scope Options Window
  • Available Options list - select option "00052 capwap-ac-v6"
  • In the "New IPv6 address" field enter the MGMT IPv6 Addresses for the primary, secondary, tertiary controllers.
  • Click Add

Linux ISC (makers of BIND) DHCP Server

Open "dhcpd6.conf

define the new option

option dhcp6.capwap-ac-v6 code 52 = [Controller IPv6 Addresses in an array seperated by , and line terminated by ; ]

Located the IPv6 Scope

option dhcp6.capwap-ac-v6 code 52 = [Controller IPv6 Addresses in an array seperated by , and line terminated by ; ]

Restart the DHCPv6 Service

service isc-dhcp-server6 restart