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IPAddress.MapToIPv6 Method

.NET Framework 4.6 and 4.5

Maps the IPAddress object to an IPv6 address.

Namespace:  System.Net
Assembly:  System (in System.dll)

public IPAddress MapToIPv6()

Return Value

Type: System.Net.IPAddress
Returns IPAddress.
An IPv6 address.

Dual-stack sockets always require IPv6 addresses. The ability to interact with an IPv4 address requires the use of the IPv4-mapped IPv6 address format. Any IPv4 addresses must be represented in the IPv4-mapped IPv6 address format which enables an IPv6 only application to communicate with an IPv4 node. The IPv4-mapped IPv6 address format allows the IPv4 address of an IPv4 node to be represented as an IPv6 address. The IPv4 address is encoded into the low-order 32 bits of the IPv6 address, and the high-order 96 bits hold the fixed prefix 0:0:0:0:0:FFFF. The IPv4-mapped IPv6 address format is specified in RFC 4291. For more information, see www.ietf.org/rfc/rfc4291.txt.

.NET Framework

Supported in: 4.6, 4.5
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