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An optional feature of IPv6, the jumbo payload option in a Hop-By-Hop Options extension header, [8] allows the exchange of packets with payloads of up to one octet less than 4 GB (2 32 − 1 = 4 294 967 295 octets), by making use of a 32-bit length field.
IPv6 addresses are assigned to organizations in much larger blocks as compared to IPv4 address assignments—the recommended allocation is a / 48 block which contains 2 80 addresses, being 2 48 or about 2.8 × 10 14 times larger than the entire IPv4 address space of 2 32 addresses and about 7.2 × 10 16 times larger than the / 8 blocks of IPv4 ...
The current use of the IPv6 Traffic Class field divides this between a 6 bit Differentiated Services Code Point [34] and a 2-bit Explicit Congestion Notification field. [ 35 ] Extension headers carry options that are used for special treatment of a packet in the network, e.g., for routing, fragmentation, and for security using the IPsec framework.
2 IGMP Internet Group Management Protocol: RFC 1112: 0x03 3 GGP Gateway-to-Gateway Protocol: RFC 823: 0x04 4 IP-in-IP IP in IP (encapsulation) RFC 2003: 0x05 5 ST Internet Stream Protocol: RFC 1190, RFC 1819: 0x06 6 TCP Transmission Control Protocol: RFC 793: 0x07 7 CBT Core-based trees: RFC 2189: 0x08 8 EGP Exterior Gateway Protocol: RFC 888 ...
ICMPv6 provides a minimal level of message integrity verification by the inclusion of a 16-bit checksum in its header. The checksum is calculated starting with a pseudo-header of IPv6 header fields according to the IPv6 standard, [6] which consists of the source and destination addresses, the packet length and the next header field, the latter of which is set to the value 58.
Versions 10.7 through 10.10 often prefer IPv4 even when working IPv6 connectivity is available. [18] Versions 10.11 and up will prioritize IPv6 Traffic in spec with Happy Eyeballs. [19] MeeGo: 1.2 No [20] Yes [21] No Yes [22] NetBSD: 7.0 Yes Yes Yes Yes Nintendo: Switch 17.0.1 No No ? ? OpenBSD: 6.6 Yes Yes Add-on [9] Yes RDNSS is only ...
Windows 11 Yes Supports IPv6 addresses under Windows using brackets as [IPv6]:port Windows File Explorer: Windows Tested with Windows 7–10, maybe XP: Yes Supports IPv6 addresses in the address field, using \\fe80--abcd-eff0.ipv6-literal.net using dashes instead of colons. Microsoft Exchange Server [1] Windows 2013+ Yes Internet Explorer [1 ...
It is included in Windows Vista, Windows Server 2008, Windows 7, Windows 8, Windows 10. [1] It is also implemented by systemd-resolved on Linux. [2] LLMNR is defined in RFC 4795 but was not adopted as an IETF standard. [3] As of April 2022, Microsoft has begun the process of phasing out both LLMNR and NetBIOS name resolution in favour of mDNS. [4]