…han 1260 octets, this is considered safer than causing IPv4 reassembly errors [ RFC4963 ]. Other than the special rules for handling fragments and path MTU discovery, the actual translation of the packet header consists of a simple translation as defined below. Note that ICMPv6 p…

…nodes, because it limits the speed of a single protocol between two endpoints [ RFC4963 ]. Although this RFC suggests that the uniqueness of the IP ID is moot, tunnels exacerbate this condition. A tunnel often aggregates traffic from a number of different source and destination a…

…eassembly functionality; instead, they choose to drop all fragments. Finally, [ RFC4963 ] documents other issues specific to IPv4 fragmentation. Due to these issues, an application SHOULD NOT send UDP datagrams that result in IP packets that exceed the Maximum Transmission Unit (…