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==Regarding IPv4-compatible IPv6== ...t to have one enumerate an actual way for IPv6 to be retro-compatible with IPv4 that isn't present in IPv6 already. ...

IPv4 protocol 17, Berkeley Socket type <tt>SOCK_DGRAM</tt>. Header is eight byte If no response is expected, the source port can be set to 0. Under IPv4, the checksum can be set to 0 to indicate that it is unused (the checksum i ...

...a multidimensional tree and generic set infrastructure; the combination of IPv4 and IPv6 into the ''inet'' family is most welcome. ...

...ective, major advantages of nftables include the unified approach (no more IPv4/IPv6 duplication!) and the ability to monitor changes to the ruleset. from ...use of <tt>systemd-networkd</tt>. part of this was using <tt>IPMasquerade=ipv4</tt> in a <tt>systemd.network</tt> unit, rather than hooking an <tt>iptable ...

* <tt>net.ipv4.ip_forward=1</tt> enable IPv4 packet forwarding * <tt>net.ipv4.tcp_syncookies=1</tt> enable TCP syncookies (see http://lwn.net/Articles/27 ...

The Address Resolution Protocol (ARP) provides IPv4 hosts within a broadcast domain with a means to discover what (if any) othe ...org/mail-archive/web/dhcwg/current/msg03797.html Gratuitous ARP in DHCP vs IPv4 ACD Draft]" 2004-04-02 (IETF [[DHCP|DHC]] working group) ...

...discovery protocol used by QidiPrint involves broadcasting to an attached IPv4 network on udp/3000. A Qidi printer will respond from source port 3000 to s ...

| Primary IP version || 4 || 4 || 0, it's ipv4 until the earth burns up baby ...

* Enable IPv4 and IPv6 forwarding, if appropriate, in <tt>/etc/sysctl.conf</tt>: ** <tt>net.ipv4.ip_forward=1</tt> ...

...t>RTM_NEWNEIGH, RTM_DELNEIGH, RTM_GETNEIGH</tt> — neighbor ([[ARP]], for [[IPv4]]) tables (ndmsg structs) ...

...] (3-3-4-style North American numbers). Unification of the E.163/E.164 and IPv4/IPv6 address spaces is attempted via [http://en.wikipedia.org/wiki/ENUM tEl ...

...w.wireshark.org/lists/ethereal-dev/200402/msg00512.html Fixed handling] of IPv4 fragmentation bits. ...ml.indiana.edu/hypermail/linux/net/0301.1/0037.html Addressed] an issue in IPv4 address/route removal. ...

The next header is an IPv4 or IPv6 header with the VTEPs' L3 addresses used as source and dest. These ...

...s within each VNet are reserved (network, gateway, dns1, dns2, broadcast). IPv4 VNets must be at least /29s, and no larger than /2s. IPv6 VNets must be /64 ...

* There is little point in setting IPv4 TOS bits (RFC 791, RFC 1349); they've been superseded as DiffServ/ECN (RFC ...

...etworking between itself and that process. As a simple example, imagine an IPv4 packet is fragmented into two fragments A and B. Two different payloads for ...