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Barracuda CloudGen Firewall

How to Configure DHCPv6 with Prefix Delegation

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Prefixes delegated by the ISP for an IPv6 WAN can be used by the DHCPv6 server.

Before You Begin

Configure a dynamic IPv6 WAN connection with prefix delegation. For more information, see How to Configure Dynamic IPv6 WAN Connections.

Configure DHCPv6 with Prefix Delegation

  1. Go to CONFIGURATION > Configuration Tree > Box > Virtual Servers > Assigned Services > DHCP > DHCP Enterprise Configuration.
  2. Click Lock
  3. In the left menu, click Operational Setup IPv6.
  4. From the Enable DHCPv6 drop-down list, select yes. 
  5. Click + to add an entry to the Subnets table.
  6. Enter a Name.
  7. Click OK. The Subnets window opens.
  8. From the Used Subnet list, select the DHCP link that is configured for IPv6 prefix delegation.
  9. Click + to add and entry to the Pool Ranges table.
  10. Enter the IPV6 Begin prefix delegated networks address
  11. Enter the IPV6 End prefix delegated networks address.
  12. Click OK.
  13. Click + to add entries to the DNS Servers table.
  14. (optional) Enter a Domain Name:
  15. Click Send Changes and Activate.
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