The IPv6 protocol is the next generation of large-scale IP networks, it supports addresses that are 128 bits long. This allows 2128 possible addresses (versus 232 possible IPv4 addresses).
Typically, the IP address assigned on an IPv6 host consists of a 64-bit subnetSubnet is the logical division of an IP network. identifier and a 64-bit interface identifier. IPv6 addresses are represented as eight colon-separated fields of up to four hexadecimal digits each. The following are examples of IPv6 addresses:
The use of the “::” symbol is a special syntax that you can use to compress one or more group of zeros or to compress leading or trailing zeros in an address. The “::” can appear only once in an address.
For example, the address, 2001:0000:0eab:dead:0000:00a0:abcd:004e can also be represented as:
2001:0:eab:DEAD:0:A0:ABCD:4E – leading zeros can be omitted
2001:0:0eab:dead:0:a0:abcd:4e – not case sensitive
2001:0:0eab:dead::a0:abcd:4e - valid
2001::eab:dead::a0:abcd:4e - invalid
IPv6 uses a "/" notation which describes the no: of bits in netmaskNetmask is a 32-bit mask used for segregating IP address into subnets. Netmask defines the class and range of IP addresses., similar to IPv4.
2001:eab::1/128 – single Host
2001:eab::/64 – network
This chapter describes ArubaOS support for IPv6 features:
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