#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: man-pages-l10n VERSION\n"
"POT-Creation-Date: 2014-07-17 17:57+0900\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#. type: TH
#: man-pages/man7/ipv6.7:86
#, no-wrap
msgid "IPV6"
msgstr ""

#. type: TH
#: man-pages/man7/ipv6.7:86
#, no-wrap
msgid "2012-12-16"
msgstr ""

#. type: TH
#: man-pages/man7/ipv6.7:86
#, no-wrap
msgid "Linux"
msgstr ""

#. type: TH
#: man-pages/man7/ipv6.7:86
#, no-wrap
msgid "Linux Programmer's Manual"
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:87
#, no-wrap
msgid "NAME"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:89
msgid "ipv6 - Linux IPv6 protocol implementation"
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:89
#, no-wrap
msgid "SYNOPSIS"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:91
msgid "B<#include E<lt>sys/socket.hE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:93
msgid "B<#include E<lt>netinet/in.hE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:95
msgid "I<tcp6_socket>B< = socket(AF_INET6, SOCK_STREAM, 0);>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:97
msgid "I<raw6_socket>B< = socket(AF_INET6, SOCK_RAW, >I<protocol>B<);>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:99
msgid "I<udp6_socket>B< = socket(AF_INET6, SOCK_DGRAM, >I<protocol>B<);>"
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:99
#, no-wrap
msgid "DESCRIPTION"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:106
msgid ""
"Linux 2.2 optionally implements the Internet Protocol, version 6.  This man "
"page contains a description of the IPv6 basic API as implemented by the "
"Linux kernel and glibc 2.1.  The interface is based on the BSD sockets "
"interface; see B<socket>(7)."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:111
msgid ""
"The IPv6 API aims to be mostly compatible with the IPv4 API (see B<ip>(7)).  "
"Only differences are described in this man page."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:123
msgid ""
"To bind an B<AF_INET6> socket to any process, the local address should be "
"copied from the I<in6addr_any> variable which has I<in6_addr> type.  In "
"static initializations, B<IN6ADDR_ANY_INIT> may also be used, which expands "
"to a constant expression.  Both of them are in network byte order."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:130
msgid ""
"The IPv6 loopback address (::1) is available in the global "
"I<in6addr_loopback> variable.  For initializations, B<IN6ADDR_LOOPBACK_INIT> "
"should be used."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:137
msgid ""
"IPv4 connections can be handled with the v6 API by using the v4-mapped-on-v6 "
"address type; thus a program only needs to support this API type to support "
"both protocols.  This is handled transparently by the address handling "
"functions in the C library."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:142
msgid ""
"IPv4 and IPv6 share the local port space.  When you get an IPv4 connection "
"or packet to a IPv6 socket, its source address will be mapped to v6 and it "
"will be mapped to v6."
msgstr ""

#. type: SS
#: man-pages/man7/ipv6.7:142
#, no-wrap
msgid "Address format"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:152
#, no-wrap
msgid ""
"struct sockaddr_in6 {\n"
"    sa_family_t     sin6_family;   /* AF_INET6 */\n"
"    in_port_t       sin6_port;     /* port number */\n"
"    uint32_t        sin6_flowinfo; /* IPv6 flow information */\n"
"    struct in6_addr sin6_addr;     /* IPv6 address */\n"
"    uint32_t        sin6_scope_id; /* Scope ID (new in 2.4) */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:156
#, no-wrap
msgid ""
"struct in6_addr {\n"
"    unsigned char   s6_addr[16];   /* IPv6 address */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:178
msgid ""
"I<sin6_family> is always set to B<AF_INET6>; I<sin6_port> is the protocol "
"port (see I<sin_port> in B<ip>(7)); I<sin6_flowinfo> is the IPv6 flow "
"identifier; I<sin6_addr> is the 128-bit IPv6 address.  I<sin6_scope_id> is "
"an ID depending on the scope of the address.  It is new in Linux 2.4.  Linux "
"supports it only for link-local addresses, in that case I<sin6_scope_id> "
"contains the interface index (see B<netdevice>(7))"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:184
msgid ""
"IPv6 supports several address types: unicast to address a single host, "
"multicast to address a group of hosts, anycast to address the nearest member "
"of a group of hosts (not implemented in Linux), IPv4-on-IPv6 to address a "
"IPv4 host, and other reserved address types."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:190
msgid ""
"The address notation for IPv6 is a group of 8 4-digit hexadecimal numbers, "
"separated with a \\(aq:\\(aq.  \\&\"::\" stands for a string of 0 bits.  "
"Special addresses are ::1 for loopback and ::FFFF:E<lt>IPv4 addressE<gt> for "
"IPv4-mapped-on-IPv6."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:192
msgid "The port space of IPv6 is shared with IPv4."
msgstr ""

#. type: SS
#: man-pages/man7/ipv6.7:192
#, no-wrap
msgid "Socket options"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:200
msgid ""
"IPv6 supports some protocol-specific socket options that can be set with "
"B<setsockopt>(2)  and read with B<getsockopt>(2).  The socket option level "
"for IPv6 is B<IPPROTO_IPV6>.  A boolean integer flag is zero when it is "
"false, otherwise true."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:200
#, no-wrap
msgid "B<IPV6_ADDRFORM>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:214
msgid ""
"Turn an B<AF_INET6> socket into a socket of a different address family.  "
"Only B<AF_INET> is currently supported for that.  It is allowed only for "
"IPv6 sockets that are connected and bound to a v4-mapped-on-v6 address.  The "
"argument is a pointer to an integer containing B<AF_INET>.  This is useful "
"to pass v4-mapped sockets as file descriptors to programs that don't know "
"how to deal with the IPv6 API."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:214
#, no-wrap
msgid "B<IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:219
msgid ""
"Control membership in multicast groups.  Argument is a pointer to a I<struct "
"ipv6_mreq>."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:219
#, no-wrap
msgid "B<IPV6_MTU>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:225
msgid ""
"B<getsockopt>(): Retrieve the current known path MTU of the current socket.  "
"Only valid when the socket has been connected.  Returns an integer."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:231
msgid ""
"B<setsockopt>(): Set the MTU to be used for the socket.  The MTU is limited "
"by the device MTU or the path MTU when path MTU discovery is enabled.  "
"Argument is a pointer to integer."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:231
#, no-wrap
msgid "B<IPV6_MTU_DISCOVER>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:239
msgid ""
"Control path-MTU discovery on the socket.  See B<IP_MTU_DISCOVER> in "
"B<ip>(7)  for details."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:239
#, no-wrap
msgid "B<IPV6_MULTICAST_HOPS>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:246
msgid ""
"Set the multicast hop limit for the socket.  Argument is a pointer to an "
"integer.  -1 in the value means use the route default, otherwise it should "
"be between 0 and 255."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:246
#, no-wrap
msgid "B<IPV6_MULTICAST_IF>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:257
msgid ""
"Set the device for outgoing multicast packets on the socket.  This is "
"allowed only for B<SOCK_DGRAM> and B<SOCK_RAW> socket.  The argument is a "
"pointer to an interface index (see B<netdevice>(7))  in an integer."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:257
#, no-wrap
msgid "B<IPV6_MULTICAST_LOOP>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:261
msgid ""
"Control whether the socket sees multicast packets that it has send itself.  "
"Argument is a pointer to boolean."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:261
#, no-wrap
msgid "B<IPV6_RECVPKTINFO> (since Linux 2.6.14)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:275
msgid ""
"Set delivery of the B<IPV6_PKTINFO> control message on incoming datagrams.  "
"Such control messages contain a I<struct in6_pktinfo>, as per RFC 3542.  "
"Only allowed for B<SOCK_DGRAM> or B<SOCK_RAW> sockets.  Argument is a "
"pointer to a boolean value in an integer."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:278
msgid ""
"B<IPV6_RTHDR, IPV6_AUTHHDR, IPV6_DSTOPTS, IPV6_HOPOPTS, IPV6_FLOWINFO, "
"IPV6_HOPLIMIT>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:303
msgid ""
"Set delivery of control messages for incoming datagrams containing extension "
"headers from the received packet.  B<IPV6_RTHDR> delivers the routing "
"header, B<IPV6_AUTHHDR> delivers the authentication header, B<IPV6_DSTOPTS> "
"delivers the destination options, B<IPV6_HOPOPTS> delivers the hop options, "
"B<IPV6_FLOWINFO> delivers an integer containing the flow ID, "
"B<IPV6_HOPLIMIT> delivers an integer containing the hop count of the packet. "
" The control messages have the same type as the socket option.  All these "
"header options can also be set for outgoing packets by putting the "
"appropriate control message into the control buffer of B<sendmsg>(2).  Only "
"allowed for B<SOCK_DGRAM> or B<SOCK_RAW> sockets.  Argument is a pointer to "
"a boolean value."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:303
#, no-wrap
msgid "B<IPV6_RECVERR>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:312
msgid ""
"Control receiving of asynchronous error options.  See B<IP_RECVERR> in "
"B<ip>(7)  for details.  Argument is a pointer to boolean."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:312
#, no-wrap
msgid "B<IPV6_ROUTER_ALERT>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:327
msgid ""
"Pass forwarded packets containing a router alert hop-by-hop option to this "
"socket.  Only allowed for B<SOCK_RAW> sockets.  The tapped packets are not "
"forwarded by the kernel, it is the user's responsibility to send them out "
"again.  Argument is a pointer to an integer.  A positive integer indicates a "
"router alert option value to intercept.  Packets carrying a router alert "
"option with a value field containing this integer will be delivered to the "
"socket.  A negative integer disables delivery of packets with router alert "
"options to this socket."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:327
#, no-wrap
msgid "B<IPV6_UNICAST_HOPS>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:333
msgid ""
"Set the unicast hop limit for the socket.  Argument is a pointer to an "
"integer.  -1 in the value means use the route default, otherwise it should "
"be between 0 and 255."
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:333
#, no-wrap
msgid "B<IPV6_V6ONLY> (since Linux 2.4.21 and 2.6)"
msgstr ""

#.  See RFC 3493
#. type: Plain text
#: man-pages/man7/ipv6.7:340
msgid ""
"If this flag is set to true (nonzero), then the socket is restricted to "
"sending and receiving IPv6 packets only.  In this case, an IPv4 and an IPv6 "
"application can bind to a single port at the same time."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:344
msgid ""
"If this flag is set to false (zero), then the socket can be used to send and "
"receive packets to and from an IPv6 address or an IPv4-mapped IPv6 address."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:346
msgid "The argument is a pointer to a boolean value in an integer."
msgstr ""

#.  FLOWLABEL_MGR, FLOWINFO_SEND
#. type: Plain text
#: man-pages/man7/ipv6.7:351
msgid ""
"The default value for this flag is defined by the contents of the file I</"
"proc/sys/net/ipv6/bindv6only>.  The default value for that file is 0 (false)."
""
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:351
#, no-wrap
msgid "ERRORS"
msgstr ""

#. type: TP
#: man-pages/man7/ipv6.7:353
#, no-wrap
msgid "B<ENODEV>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:363
msgid ""
"The user tried to B<bind>(2)  to a link-local IPv6 address, but the "
"I<sin6_scope_id> in the supplied I<sockaddr_in6> structure is not a valid "
"interface index."
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:363
#, no-wrap
msgid "VERSIONS"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:368
msgid ""
"The older I<libinet6> libc5 based IPv6 API implementation for Linux is not "
"described here and may vary in details."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:384
msgid ""
"Linux 2.4 will break binary compatibility for the I<sockaddr_in6> for 64-bit "
"hosts by changing the alignment of I<in6_addr> and adding an additional "
"I<sin6_scope_id> field.  The kernel interfaces stay compatible, but a "
"program including I<sockaddr_in6> or I<in6_addr> into other structures may "
"not be.  This is not a problem for 32-bit hosts like i386."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:392
msgid ""
"The I<sin6_flowinfo> field is new in Linux 2.4.  It is transparently passed/"
"read by the kernel when the passed address length contains it.  Some "
"programs that pass a longer address buffer and then check the outgoing "
"address length may break."
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:392
#, no-wrap
msgid "NOTES"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:402
msgid ""
"The I<sockaddr_in6> structure is bigger than the generic I<sockaddr>.  "
"Programs that assume that all address types can be stored safely in a "
"I<struct sockaddr> need to be changed to use I<struct sockaddr_storage> for "
"that instead."
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:402
#, no-wrap
msgid "BUGS"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:407
msgid ""
"The IPv6 extended API as in RFC\\ 2292 is currently only partly implemented; "
"although the 2.2 kernel has near complete support for receiving options, the "
"macros for generating IPv6 options are missing in glibc 2.1."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:409
msgid "IPSec support for EH and AH headers is missing."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:411
msgid "Flow label management is not complete and not documented here."
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:413
msgid "This man page is not complete."
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:413
#, no-wrap
msgid "SEE ALSO"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:416
msgid "B<cmsg>(3), B<ip>(7)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:420
msgid ""
"RFC\\ 2553: IPv6 BASIC API; Linux tries to be compliant to this.  RFC\\ 2460:"
" IPv6 specification."
msgstr ""

#. type: SH
#: man-pages/man7/ipv6.7:420
#, no-wrap
msgid "COLOPHON"
msgstr ""

#. type: Plain text
#: man-pages/man7/ipv6.7:428
msgid ""
"This page is part of release 3.70 of the Linux I<man-pages> project.  A "
"description of the project, information about reporting bugs, and the latest "
"version of this page, can be found at \\%http://www.kernel.org/doc/man-pages/"
"."
msgstr ""