Difference between revisions of "DHCPv6 Cisco IOS"

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m (DHCPv6 multicast)
m (To Multicast All Site Local DHCPv6 servers)
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R1(config-if)#<input>ipv6 dhcp relay destination FF05::1:3</input>
 
R1(config-if)#<input>ipv6 dhcp relay destination FF05::1:3</input>
 
</source>
 
</source>
 
+
==Troubleshooting==
 +
<source lang=cli>
 +
R1#<input>show ipv6 dhcp pool ROOM308</input>
 +
DHCPv6 pool: ROOM308
 +
  DNS server: 2001:16D8:DD85:B000:20C:29FF:FE84:CC63
 +
  Active clients: 0
 +
R1#<input>terminal monitor</input>
 +
R1#<input>debug ipv6 dhcp database ?</input>
 +
  IPv6 DHCP database debugging is on
 +
</source>
 
*See [http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp_ps6441_TSD_Products_Configuration_Guide_Chapter.html http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp_ps6441_TSD_Products_Configuration_Guide_Chapter.html]
 
*See [http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp_ps6441_TSD_Products_Configuration_Guide_Chapter.html http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp_ps6441_TSD_Products_Configuration_Guide_Chapter.html]
 
*See [http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp.html#wp1054443 Cisco DHCPv6 configuration guide]
 
*See [http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp.html#wp1054443 Cisco DHCPv6 configuration guide]
 
{{Source cli}}
 
{{Source cli}}
 
[[Category:IPv6]][[Category:CiscoIPv6]][[Category:IOS]]
 
[[Category:IPv6]][[Category:CiscoIPv6]][[Category:IOS]]

Revision as of 07:32, 13 December 2011

Kate.png This article is under development....

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

DHCPv6 multicast

  • Local link DHCPv6 multicast FF02::1:2
  • Entire site DHCPv6 multicast FF05::1:3
NOTE
When using multicast remember to enable ipv6 multicast routing
ipv6 multicast-routing

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>

Troubleshooting

R1#<input>show ipv6 dhcp pool ROOM308</input>
DHCPv6 pool: ROOM308
  DNS server: 2001:16D8:DD85:B000:20C:29FF:FE84:CC63
  Active clients: 0
R1#<input>terminal monitor</input>
R1#<input>debug ipv6 dhcp database ?</input>
   IPv6 DHCP database debugging is on