DHCPv6 Cisco IOS

This article is under development....

This article will be written when the author gets experience using DHCPv6. (Hopefully shortly :-)

DHCPv6 other-config-flag

Node will autoconfigure its IPv6 address using |Stateless Autoconfiguration. The ipv6 nd other-config-flag teels the node to collect remaining setup from DHCPv6- in this case DNS-server IP.

ipv6 dhcp pool ROOM308
 dns-server 2001:16D8:DD85:B000:20C:29FF:FE84:CC63
!
interface FastEthernet0/1
 ipv6 address 2001:16D8:DD85:B000::1/64
 ipv6 enable
 ipv6 nd other-config-flag
 ipv6 dhcp server ROOM308
!

DHCPv6 Relay agent

On local link

R1(config)#<input>interface fastethernet 0/0</input>
R1(config-if)#<input>ipv6 dhcp relay destination FE80::250:A2FF:FEBF:A056 fastethernet0/1</input>

To global unicast

R1(config)#<input>interface fastethernet 0/0</input>
R1(config-if)#<input>ipv6 dhcp relay destination 2001:16D8:DD85:146::2</input>
R1(config-if)#<input>ipv6 dhcp relay source-interface loopback 0</input>

To Multicast All Site Local DHCPv6 servers

R1(config)#<input>interface fastethernet 0/0</input>
R1(config-if)#<input>ipv6 dhcp relay destination FF05::1:3</input>

• See http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp_ps6441_TSD_Products_Configuration_Guide_Chapter.html
• See Cisco DHCPv6 configuration guide