Brocade Communications Systems ServerIron ADX 12.4.00 - Manual (Page 266)

254 ServerIron ADX Global Server Load Balancing Guide
53-1002437-01
DNS
A
IPv6 address assignment
The initial implementation of GSLB for IPv6 addresses supports user configurable geographic
prefixes as a metric in GSLB policy settings for IPv6 addresses. The default client length on the
ServerIron is 64.
The following geographic prefixes are preconfigured:
29.0.0.0/8 NORTH AMERICA
3.0.0.0/8 NORTH AMERICA
30.0.0.0/8 NORTH AMERICA
33.0.0.0/8 NORTH AMERICA
35.0.0.0/8 NORTH AMERICA
38.0.0.0/8 NORTH AMERICA
4.0.0.0/8 NORTH AMERICA
44.0.0.0/8 NORTH AMERICA
45.0.0.0/8 NORTH AMERICA
46.0.0.0/8 NORTH AMERICA
47.0.0.0/8 NORTH AMERICA
48.0.0.0/8 NORTH AMERICA
55.0.0.0/8 NORTH AMERICA
56.0.0.0/8 NORTH AMERICA
6.0.0.0/8 NORTH AMERICA
61.0.0.0/8 ASIA
62.0.0.0/8 ASIA
63.0.0.0/8 NORTH AMERICA
64.0.0.0/8 NORTH AMERICA
8.0.0.0/8 NORTH AMERICA
80.0.0.0/8 EUROPE
81.0.0.0/8 EUROPE
9.0.0.0/8 NORTH AMERICA
TABLE 28 IANA IPv6 address assignment
Address Designation
2001:0000::/23 IANA*
2001:0200::/23 APNIC
2001:0400::/23 ARIN
2001:0600::/23 RIPE NCC
2001:0800::/23 RIPE NCC
TABLE 27 IPv4 address assignment
Address Designation