How can I specify the IPv6 "Free Network Range"?
IPv6Certain tests cases require the creation and use of arbitrary IPv6 hosts on the WAN. CDRouter will automatically assign IPv6 addresses to these hosts from a range of unused addresses commonly referred to as the "IPv6 Free Network Range". The Free Network Range can be configured using the following testvars:
testvar ipv6FreeNetworkPrefixLen 64
testvar ipv6FreeNetworkStop 3001:ffff:ffff::
The ipv6FreeNetworkStart testvar specifies the first address in the range, while the ipv6FreeNetworkStop testvar specifies the last address in the range. The ipv6FreeNetworkPrefixLen testvar indicates the prefix length of the IPv6 Free Network Range, and must be an integer value between 8 and 64.
The IPv6 Free Network Range must not conflict with any other addresses used in the test setup, including the 6to4 2002::/16 subnet.
Related articles that may also be helpful:
- How do I disable IPv6 on my Linux system?
- How can I skip the interface address checking for IPv6 when running CDRouter?
- CDRouter expects the WAN interface to block PINGs. How can I change this default behavior?
- What is the Router Advertisement Interval? How could an incorrect value cause test failures?
- What is the ipv6RemoteHost used for, and how can I change its address?