#, 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/ip.7:36
#, no-wrap
msgid "IP"
msgstr ""

#. type: TH
#: man-pages/man7/ip.7:36
#, no-wrap
msgid "2014-05-10"
msgstr ""

#. type: TH
#: man-pages/man7/ip.7:36
#, no-wrap
msgid "Linux"
msgstr ""

#. type: TH
#: man-pages/man7/ip.7:36
#, no-wrap
msgid "Linux Programmer's Manual"
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:37
#, no-wrap
msgid "NAME"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:39
msgid "ip - Linux IPv4 protocol implementation"
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:39
#, no-wrap
msgid "SYNOPSIS"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:41
msgid "B<#include E<lt>sys/socket.hE<gt>>"
msgstr ""

#.  .B #include <net/netinet.h> -- does not exist anymore
#.  .B #include <linux/errqueue.h> -- never include <linux/foo.h>
#. type: Plain text
#: man-pages/man7/ip.7:45
msgid "B<#include E<lt>netinet/in.hE<gt>>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:47
msgid "B<#include E<lt>netinet/ip.hE<gt> >/* superset of previous */"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:49
msgid "I<tcp_socket>B< = socket(AF_INET, SOCK_STREAM, 0);>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:51
msgid "I<udp_socket>B< = socket(AF_INET, SOCK_DGRAM, 0);>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:53
msgid "I<raw_socket>B< = socket(AF_INET, SOCK_RAW, >I<protocol>B<);>"
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:53
#, no-wrap
msgid "DESCRIPTION"
msgstr ""

#.  FIXME has someone verified that 2.1 is really 1812 compliant?
#. type: Plain text
#: man-pages/man7/ip.7:60
msgid ""
"Linux implements the Internet Protocol, version 4, described in RFC\\ 791 "
"and RFC\\ 1122.  B<ip> contains a level 2 multicasting implementation "
"conforming to RFC\\ 1112.  It also contains an IP router including a packet "
"filter."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:64
msgid ""
"The programming interface is BSD-sockets compatible.  For more information "
"on sockets, see B<socket>(7)."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:95
msgid ""
"An IP socket is created by calling the B<socket>(2)  function as "
"B<socket(AF_INET, >I<socket_type>B<, >I<protocol>B<)>.  Valid socket types "
"are B<SOCK_STREAM> to open a B<tcp>(7)  socket, B<SOCK_DGRAM> to open a "
"B<udp>(7)  socket, or B<SOCK_RAW> to open a B<raw>(7)  socket to access the "
"IP protocol directly.  I<protocol> is the IP protocol in the IP header to be "
"received or sent.  The only valid values for I<protocol> are 0 and "
"B<IPPROTO_TCP> for TCP sockets, and 0 and B<IPPROTO_UDP> for UDP sockets.  "
"For B<SOCK_RAW> you may specify a valid IANA IP protocol defined in RFC\\ "
"1700 assigned numbers."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:117
msgid ""
"When a process wants to receive new incoming packets or connections, it "
"should bind a socket to a local interface address using B<bind>(2).  In this "
"case, only one IP socket may be bound to any given local (address, port) "
"pair.  When B<INADDR_ANY> is specified in the bind call, the socket will be "
"bound to I<all> local interfaces.  When B<listen>(2)  is called on an "
"unbound socket, the socket is automatically bound to a random free port with "
"the local address set to B<INADDR_ANY>.  When B<connect>(2)  is called on an "
"unbound socket, the socket is automatically bound to a random free port or "
"to a usable shared port with the local address set to B<INADDR_ANY>."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:123
msgid ""
"A TCP local socket address that has been bound is unavailable for some time "
"after closing, unless the B<SO_REUSEADDR> flag has been set.  Care should be "
"taken when using this flag as it makes TCP less reliable."
msgstr ""

#. type: SS
#: man-pages/man7/ip.7:123
#, no-wrap
msgid "Address format"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:134
msgid ""
"An IP socket address is defined as a combination of an IP interface address "
"and a 16-bit port number.  The basic IP protocol does not supply port "
"numbers, they are implemented by higher level protocols like B<udp>(7)  and "
"B<tcp>(7).  On raw sockets I<sin_port> is set to the IP protocol."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:142
#, no-wrap
msgid ""
"struct sockaddr_in {\n"
"    sa_family_t    sin_family; /* address family: AF_INET */\n"
"    in_port_t      sin_port;   /* port in network byte order */\n"
"    struct in_addr sin_addr;   /* internet address */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:147
#, no-wrap
msgid ""
"/* Internet address. */\n"
"struct in_addr {\n"
"    uint32_t       s_addr;     /* address in network byte order */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:172
msgid ""
"I<sin_family> is always set to B<AF_INET>.  This is required; in Linux 2.2 "
"most networking functions return B<EINVAL> when this setting is missing.  "
"I<sin_port> contains the port in network byte order.  The port numbers below "
"1024 are called I<privileged ports> (or sometimes: I<reserved ports>).  Only "
"privileged processes (i.e., those having the B<CAP_NET_BIND_SERVICE> "
"capability) may B<bind>(2)  to these sockets.  Note that the raw IPv4 "
"protocol as such has no concept of a port, they are implemented only by "
"higher protocols like B<tcp>(7)  and B<udp>(7)."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:191
msgid ""
"I<sin_addr> is the IP host address.  The I<s_addr> member of I<struct "
"in_addr> contains the host interface address in network byte order.  "
"I<in_addr> should be assigned one of the B<INADDR_*> values (e.g., "
"B<INADDR_ANY>)  or set using the B<inet_aton>(3), B<inet_addr>(3), "
"B<inet_makeaddr>(3)  library functions or directly with the name resolver "
"(see B<gethostbyname>(3))."
msgstr ""

#.  Leave a loophole for XTP @)
#. type: Plain text
#: man-pages/man7/ip.7:203
msgid ""
"IPv4 addresses are divided into unicast, broadcast and multicast addresses.  "
"Unicast addresses specify a single interface of a host, broadcast addresses "
"specify all hosts on a network and multicast addresses address all hosts in "
"a multicast group.  Datagrams to broadcast addresses can be sent or received "
"only when the B<SO_BROADCAST> socket flag is set.  In the current "
"implementation, connection-oriented sockets are allowed to use only unicast "
"addresses."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:211
msgid ""
"Note that the address and the port are always stored in network byte order.  "
"In particular, this means that you need to call B<htons>(3)  on the number "
"that is assigned to a port.  All address/port manipulation functions in the "
"standard library work in network byte order."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:224
msgid ""
"There are several special addresses: B<INADDR_LOOPBACK> (127.0.0.1)  always "
"refers to the local host via the loopback device; B<INADDR_ANY> (0.0.0.0)  "
"means any address for binding; B<INADDR_BROADCAST> (255.255.255.255)  means "
"any host and has the same effect on bind as B<INADDR_ANY> for historical "
"reasons."
msgstr ""

#. type: SS
#: man-pages/man7/ip.7:224
#, no-wrap
msgid "Socket options"
msgstr ""

#.  or SOL_IP on Linux
#. type: Plain text
#: man-pages/man7/ip.7:233
msgid ""
"IP 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 IP is B<IPPROTO_IP>.  A boolean integer flag is zero when it is false, "
"otherwise true."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:233
#, no-wrap
msgid "B<IP_ADD_MEMBERSHIP> (since Linux 1.2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:239
msgid "Join a multicast group.  Argument is an I<ip_mreqn> structure."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:249
#, no-wrap
msgid ""
"struct ip_mreqn {\n"
"    struct in_addr imr_multiaddr; /* IP multicast group\n"
"                                     address */\n"
"    struct in_addr imr_address;   /* IP address of local\n"
"                                     interface */\n"
"    int            imr_ifindex;   /* interface index */\n"
"};\n"
msgstr ""

#.  (i.e., within the 224.0.0.0-239.255.255.255 range)
#. type: Plain text
#: man-pages/man7/ip.7:270
msgid ""
"I<imr_multiaddr> contains the address of the multicast group the application "
"wants to join or leave.  It must be a valid multicast address (or "
"B<setsockopt>(2)  fails with the error B<EINVAL>).  I<imr_address> is the "
"address of the local interface with which the system should join the "
"multicast group; if it is equal to B<INADDR_ANY>, an appropriate interface "
"is chosen by the system.  I<imr_ifindex> is the interface index of the "
"interface that should join/leave the I<imr_multiaddr> group, or 0 to "
"indicate any interface."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:285
msgid ""
"The I<ip_mreqn> structure is available only since Linux 2.2.  For "
"compatibility, the old I<ip_mreq> structure (present since Linux 1.2) is "
"still supported; it differs from I<ip_mreqn> only by not including the "
"I<imr_ifindex> field.  Only valid as a B<setsockopt>(2)."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:285
#, no-wrap
msgid "B<IP_ADD_SOURCE_MEMBERSHIP> (since Linux 2.4.22 / 2.5.68)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:292
msgid ""
"Join a multicast group and allow receiving data only from a specified source."
"  Argument is an I<ip_mreq_source> structure."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:303
#, no-wrap
msgid ""
"struct ip_mreq_source {\n"
"    struct in_addr imr_multiaddr;  /* IP multicast group\n"
"                                      address */\n"
"    struct in_addr imr_interface;  /* IP address of local\n"
"                                      interface */\n"
"    struct in_addr imr_sourceaddr; /* IP address of\n"
"                                      multicast source */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:324
msgid ""
"The I<ip_mreq_source> structure is similar to I<ip_mreqn> described under "
"B<IP_ADD_MEMBERSIP>.  The I<imr_multiaddr> field contains the address of the "
"multicast group the application wants to join or leave.  The "
"I<imr_interface> field is the address of the local interface with which the "
"system should join the multicast group.  Finally, the I<imr_sourceaddr> "
"field contains the address of the source the application wants to receive "
"data from."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:327
msgid ""
"This option can be used multiple times to allow receiving data from more "
"than one source."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:327
#, no-wrap
msgid "B<IP_BLOCK_SOURCE> (since Linux 2.4.22 / 2.5.68)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:335
msgid ""
"Stop receiving multicast data from a specific source in a given group.  This "
"is valid only after the application has subscribed to the multicast group "
"using either B<IP_ADD_MEMBERSHIP> or B<IP_ADD_SOURCE_MEMBERSHIP>."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:340 man-pages/man7/ip.7:362 man-pages/man7/ip.7:926
msgid ""
"Argument is an I<ip_mreq_source> structure as described under "
"B<IP_ADD_SOURCE_MEMBERSHIP>."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:340
#, no-wrap
msgid "B<IP_DROP_MEMBERSHIP> (since Linux 1.2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:349
msgid ""
"Leave a multicast group.  Argument is an I<ip_mreqn> or I<ip_mreq> structure "
"similar to B<IP_ADD_MEMBERSHIP>."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:349
#, no-wrap
msgid "B<IP_DROP_SOURCE_MEMBERSHIP> (since Linux 2.4.22 / 2.5.68)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:357
msgid ""
"Leave a source-specific group\\(emthat is, stop receiving data from a given "
"multicast group that come from a given source.  If the application has "
"subscribed to multiple sources within the same group, data from the "
"remaining sources will still be delivered.  To stop receiving data from all "
"sources at once, use B<IP_LEAVE_GROUP>."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:362
#, no-wrap
msgid "B<IP_FREEBIND> (since Linux 2.4)"
msgstr ""

#.  Precisely: 2.4.0-test10
#. type: Plain text
#: man-pages/man7/ip.7:375
msgid ""
"If enabled, this boolean option allows binding to an IP address that is "
"nonlocal or does not (yet) exist.  This permits listening on a socket, "
"without requiring the underlying network interface or the specified dynamic "
"IP address to be up at the time that the application is trying to bind to it."
"  This option is the per-socket equivalent of the I<ip_nonlocal_bind> I</"
"proc> interface described below."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:375
#, no-wrap
msgid "B<IP_HDRINCL> (since Linux 2.0)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:391
msgid ""
"If enabled, the user supplies an IP header in front of the user data.  Only "
"valid for B<SOCK_RAW> sockets.  See B<raw>(7)  for more information.  When "
"this flag is enabled the values set by B<IP_OPTIONS>, B<IP_TTL> and "
"B<IP_TOS> are ignored."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:391
#, no-wrap
msgid "B<IP_MSFILTER> (since Linux 2.4.22 / 2.5.68)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:397
msgid ""
"This option provides access to the advanced full-state filtering API.  "
"Argument is an I<ip_msfilter> structure."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:406
#, no-wrap
msgid ""
"struct ip_msfilter {\n"
"    struct in_addr imsf_multiaddr; /* IP multicast group\n"
"                                      address */\n"
"    struct in_addr imsf_interface; /* IP address of local\n"
"                                      interface */\n"
"    uint32_t       imsf_fmode;     /* Filter-mode */\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:412
#, no-wrap
msgid ""
"    uint32_t       imsf_numsrc;    /* Number of sources in\n"
"                                      the following array */\n"
"    struct in_addr imsf_slist[1];  /* Array of source\n"
"                                      addresses */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:427
msgid ""
"There are two macros, B<MCAST_INCLUDE> and B<MCAST_EXCLUDE>, which can be "
"used to specify the filtering mode.  Additionally, the "
"B<IP_MSFILTER_SIZE>(n)  macro exists to determine how much memory is needed "
"to store I<ip_msfilter> structure with I<n> sources in the source list."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:430
msgid ""
"For the full description of multicast source filtering refer to RFC 3376."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:430
#, no-wrap
msgid "B<IP_MTU> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.124
#. type: Plain text
#: man-pages/man7/ip.7:438
msgid ""
"Retrieve the current known path MTU of the current socket.  Valid only when "
"the socket has been connected.  Returns an integer.  Only valid as a "
"B<getsockopt>(2)."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:438
#, no-wrap
msgid "B<IP_MTU_DISCOVER> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.124
#. type: Plain text
#: man-pages/man7/ip.7:459
msgid ""
"Set or receive the Path MTU Discovery setting for a socket.  When enabled, "
"Linux will perform Path MTU Discovery as defined in RFC\\ 1191 on "
"B<SOCK_STREAM> sockets.  For non-B<SOCK_STREAM> sockets, B<IP_PMTUDISC_DO> "
"forces the don't-fragment flag to be set on all outgoing packets.  It is the "
"user's responsibility to packetize the data in MTU-sized chunks and to do "
"the retransmits if necessary.  The kernel will reject (with B<EMSGSIZE>)  "
"datagrams that are bigger than the known path MTU.  B<IP_PMTUDISC_WANT> will "
"fragment a datagram if needed according to the path MTU, or will set the "
"don't-fragment flag otherwise."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:467
msgid ""
"The system-wide default can be toggled between B<IP_PMTUDISC_WANT> and "
"B<IP_PMTUDISC_DONT> by writing (respectively, zero and nonzero values) to "
"the I</proc/sys/net/ipv4/ip_no_pmtu_disc> file."
msgstr ""

#. type: tbl table
#: man-pages/man7/ip.7:471
#, no-wrap
msgid "Path MTU discovery value:Meaning\n"
msgstr ""

#. type: tbl table
#: man-pages/man7/ip.7:472
#, no-wrap
msgid "IP_PMTUDISC_WANT:Use per-route settings.\n"
msgstr ""

#. type: tbl table
#: man-pages/man7/ip.7:473
#, no-wrap
msgid "IP_PMTUDISC_DONT:Never do Path MTU Discovery.\n"
msgstr ""

#. type: tbl table
#: man-pages/man7/ip.7:474
#, no-wrap
msgid "IP_PMTUDISC_DO:Always do Path MTU Discovery.\n"
msgstr ""

#. type: tbl table
#: man-pages/man7/ip.7:475
#, no-wrap
msgid "IP_PMTUDISC_PROBE:Set DF but ignore Path MTU.\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:493
msgid ""
"When PMTU discovery is enabled, the kernel automatically keeps track of the "
"path MTU per destination host.  When it is connected to a specific peer with "
"B<connect>(2), the currently known path MTU can be retrieved conveniently "
"using the B<IP_MTU> socket option (e.g., after an B<EMSGSIZE> error "
"occurred).  The path MTU may change over time.  For connectionless sockets "
"with many destinations, the new MTU for a given destination can also be "
"accessed using the error queue (see B<IP_RECVERR>).  A new error will be "
"queued for every incoming MTU update."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:498
msgid ""
"While MTU discovery is in progress, initial packets from datagram sockets "
"may be dropped.  Applications using UDP should be aware of this and not take "
"it into account for their packet retransmit strategy."
msgstr ""

#.  FIXME this is an ugly hack
#. type: Plain text
#: man-pages/man7/ip.7:503
msgid ""
"To bootstrap the path MTU discovery process on unconnected sockets, it is "
"possible to start with a big datagram size (up to 64K-headers bytes long) "
"and let it shrink by updates of the path MTU."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:512
msgid ""
"To get an initial estimate of the path MTU, connect a datagram socket to the "
"destination address using B<connect>(2)  and retrieve the MTU by calling "
"B<getsockopt>(2)  with the B<IP_MTU> option."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:524
msgid ""
"It is possible to implement RFC 4821 MTU probing with B<SOCK_DGRAM> or "
"B<SOCK_RAW> sockets by setting a value of B<IP_PMTUDISC_PROBE> (available "
"since Linux 2.6.22).  This is also particularly useful for diagnostic tools "
"such as B<tracepath>(8)  that wish to deliberately send probe packets larger "
"than the observed Path MTU."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:524
#, no-wrap
msgid "B<IP_MULTICAST_ALL> (since Linux 2.6.31)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:538
msgid ""
"This option can be used to modify the delivery policy of multicast messages "
"to sockets bound to the wildcard B<INADDR_ANY> address.  The argument is a "
"boolean integer (defaults to 1).  If set to 1, the socket will receive "
"messages from all the groups that have been joined globally on the whole "
"system.  Otherwise, it will deliver messages only from the groups that have "
"been explicitly joined (for example via the B<IP_ADD_MEMBERSHIP> option) on "
"this particular socket."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:538
#, no-wrap
msgid "B<IP_MULTICAST_IF> (since Linux 1.2)"
msgstr ""

#.  net: IP_MULTICAST_IF setsockopt now recognizes struct mreq
#.  Commit: 3a084ddb4bf299a6e898a9a07c89f3917f0713f7
#. type: Plain text
#: man-pages/man7/ip.7:550
msgid ""
"Set the local device for a multicast socket.  Argument is an I<ip_mreqn> or "
"I<ip_mreq> (since Linux 3.5)  structure similar to B<IP_ADD_MEMBERSHIP>."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:554
msgid "When an invalid socket option is passed, B<ENOPROTOOPT> is returned."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:554
#, no-wrap
msgid "B<IP_MULTICAST_LOOP> (since Linux 1.2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:558
msgid ""
"Set or read a boolean integer argument that determines whether sent "
"multicast packets should be looped back to the local sockets."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:558
#, no-wrap
msgid "B<IP_MULTICAST_TTL> (since Linux 1.2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:566
msgid ""
"Set or read the time-to-live value of outgoing multicast packets for this "
"socket.  It is very important for multicast packets to set the smallest TTL "
"possible.  The default is 1 which means that multicast packets don't leave "
"the local network unless the user program explicitly requests it.  Argument "
"is an integer."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:566
#, no-wrap
msgid "B<IP_NODEFRAG> (since Linux 2.6.36)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:574
msgid ""
"If enabled (argument is nonzero), the reassembly of outgoing packets is "
"disabled in the netfilter layer.  This option is valid only for B<SOCK_RAW> "
"sockets.  The argument is an integer."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:574
#, no-wrap
msgid "B<IP_OPTIONS> (since Linux 2.0)"
msgstr ""

#.  Precisely: 1.3.30
#. type: Plain text
#: man-pages/man7/ip.7:603
msgid ""
"Set or get the IP options to be sent with every packet from this socket.  "
"The arguments are a pointer to a memory buffer containing the options and "
"the option length.  The B<setsockopt>(2)  call sets the IP options "
"associated with a socket.  The maximum option size for IPv4 is 40 bytes.  "
"See RFC\\ 791 for the allowed options.  When the initial connection request "
"packet for a B<SOCK_STREAM> socket contains IP options, the IP options will "
"be set automatically to the options from the initial packet with routing "
"headers reversed.  Incoming packets are not allowed to change options after "
"the connection is established.  The processing of all incoming source "
"routing options is disabled by default and can be enabled by using the "
"I<accept_source_route> I</proc> interface.  Other options like timestamps "
"are still handled.  For datagram sockets, IP options can be only set by the "
"local user.  Calling B<getsockopt>(2)  with B<IP_OPTIONS> puts the current "
"IP options used for sending into the supplied buffer."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:603
#, no-wrap
msgid "B<IP_PKTINFO> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.68
#. type: Plain text
#: man-pages/man7/ip.7:620
msgid ""
"Pass an B<IP_PKTINFO> ancillary message that contains a I<pktinfo> structure "
"that supplies some information about the incoming packet.  This only works "
"for datagram oriented sockets.  The argument is a flag that tells the socket "
"whether the B<IP_PKTINFO> message should be passed or not.  The message "
"itself can only be sent/retrieved as control message with a packet using "
"B<recvmsg>(2)  or B<sendmsg>(2)."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:629
#, no-wrap
msgid ""
"struct in_pktinfo {\n"
"    unsigned int   ipi_ifindex;  /* Interface index */\n"
"    struct in_addr ipi_spec_dst; /* Local address */\n"
"    struct in_addr ipi_addr;     /* Header Destination\n"
"                                    address */\n"
"};\n"
msgstr ""

#.  FIXME elaborate on that.
#.  This field is grossly misnamed
#. type: Plain text
#: man-pages/man7/ip.7:654
msgid ""
"I<ipi_ifindex> is the unique index of the interface the packet was received "
"on.  I<ipi_spec_dst> is the local address of the packet and I<ipi_addr> is "
"the destination address in the packet header.  If B<IP_PKTINFO> is passed to "
"B<sendmsg>(2)  and I<ipi_spec_dst> is not zero, then it is used as the local "
"source address for the routing table lookup and for setting up IP source "
"route options.  When I<ipi_ifindex> is not zero, the primary local address "
"of the interface specified by the index overwrites I<ipi_spec_dst> for the "
"routing table lookup."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:654
#, no-wrap
msgid "B<IP_RECVERR> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.15
#.  or SOL_IP on Linux
#. type: Plain text
#: man-pages/man7/ip.7:676
msgid ""
"Enable extended reliable error message passing.  When enabled on a datagram "
"socket, all generated errors will be queued in a per-socket error queue.  "
"When the user receives an error from a socket operation, the errors can be "
"received by calling B<recvmsg>(2)  with the B<MSG_ERRQUEUE> flag set.  The "
"I<sock_extended_err> structure describing the error will be passed in an "
"ancillary message with the type B<IP_RECVERR> and the level B<IPPROTO_IP>.  "
"This is useful for reliable error handling on unconnected sockets.  The "
"received data portion of the error queue contains the error packet."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:682
msgid ""
"The B<IP_RECVERR> control message contains a I<sock_extended_err> structure:"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:690
#, no-wrap
msgid ""
"#define SO_EE_ORIGIN_NONE    0\n"
"#define SO_EE_ORIGIN_LOCAL   1\n"
"#define SO_EE_ORIGIN_ICMP    2\n"
"#define SO_EE_ORIGIN_ICMP6   3\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:701
#, no-wrap
msgid ""
"struct sock_extended_err {\n"
"    uint32_t ee_errno;   /* error number */\n"
"    uint8_t  ee_origin;  /* where the error originated */\n"
"    uint8_t  ee_type;    /* type */\n"
"    uint8_t  ee_code;    /* code */\n"
"    uint8_t  ee_pad;\n"
"    uint32_t ee_info;    /* additional information */\n"
"    uint32_t ee_data;    /* other data */\n"
"    /* More data may follow */\n"
"};\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:703
#, no-wrap
msgid "struct sockaddr *SO_EE_OFFENDER(struct sock_extended_err *);\n"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:726
msgid ""
"I<ee_errno> contains the I<errno> number of the queued error.  I<ee_origin> "
"is the origin code of where the error originated.  The other fields are "
"protocol-specific.  The macro B<SO_EE_OFFENDER> returns a pointer to the "
"address of the network object where the error originated from given a "
"pointer to the ancillary message.  If this address is not known, the "
"I<sa_family> member of the I<sockaddr> contains B<AF_UNSPEC> and the other "
"fields of the I<sockaddr> are undefined."
msgstr ""

#.  FIXME . Is it a good idea to document that? It is a dubious feature.
#.  On
#.  .B SOCK_STREAM
#.  sockets,
#.  .B IP_RECVERR
#.  has slightly different semantics. Instead of
#.  saving the errors for the next timeout, it passes all incoming
#.  errors immediately to the user.
#.  This might be useful for very short-lived TCP connections which
#.  need fast error handling. Use this option with care:
#.  it makes TCP unreliable
#.  by not allowing it to recover properly from routing
#.  shifts and other normal
#.  conditions and breaks the protocol specification.
#. type: Plain text
#: man-pages/man7/ip.7:785
msgid ""
"IP uses the I<sock_extended_err> structure as follows: I<ee_origin> is set "
"to B<SO_EE_ORIGIN_ICMP> for errors received as an ICMP packet, or "
"B<SO_EE_ORIGIN_LOCAL> for locally generated errors.  Unknown values should "
"be ignored.  I<ee_type> and I<ee_code> are set from the type and code fields "
"of the ICMP header.  I<ee_info> contains the discovered MTU for B<EMSGSIZE> "
"errors.  The message also contains the I<sockaddr_in of the node> caused the "
"error, which can be accessed with the B<SO_EE_OFFENDER> macro.  The "
"I<sin_family> field of the B<SO_EE_OFFENDER> address is B<AF_UNSPEC> when "
"the source was unknown.  When the error originated from the network, all IP "
"options (B<IP_OPTIONS>, B<IP_TTL>, etc.) enabled on the socket and contained "
"in the error packet are passed as control messages.  The payload of the "
"packet causing the error is returned as normal payload.  Note that TCP has "
"no error queue; B<MSG_ERRQUEUE> is not permitted on B<SOCK_STREAM> sockets.  "
"B<IP_RECVERR> is valid for TCP, but all errors are returned by socket "
"function return or B<SO_ERROR> only."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:790
msgid ""
"For raw sockets, B<IP_RECVERR> enables passing of all received ICMP errors "
"to the application, otherwise errors are only reported on connected sockets"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:794
msgid ""
"It sets or retrieves an integer boolean flag.  B<IP_RECVERR> defaults to off."
""
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:794
#, no-wrap
msgid "B<IP_RECVOPTS> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.15
#. type: Plain text
#: man-pages/man7/ip.7:805
msgid ""
"Pass all incoming IP options to the user in a B<IP_OPTIONS> control message. "
" The routing header and other options are already filled in for the local "
"host.  Not supported for B<SOCK_STREAM> sockets."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:805
#, no-wrap
msgid "B<IP_RECVORIGDSTADDR> (since Linux 2.6.29)"
msgstr ""

#.  commit e8b2dfe9b4501ed0047459b2756ba26e5a940a69
#. type: Plain text
#: man-pages/man7/ip.7:816
msgid ""
"This boolean option enables the B<IP_ORIGDSTADDR> ancillary message in "
"B<recvmsg>(2), in which the kernel returns the original destination address "
"of the datagram being received.  The ancillary message contains a I<struct "
"sockaddr_in>."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:816
#, no-wrap
msgid "B<IP_RECVTOS> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.68
#. type: Plain text
#: man-pages/man7/ip.7:825
msgid ""
"If enabled, the B<IP_TOS> ancillary message is passed with incoming packets. "
" It contains a byte which specifies the Type of Service/Precedence field of "
"the packet header.  Expects a boolean integer flag."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:825
#, no-wrap
msgid "B<IP_RECVTTL> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.68
#. type: Plain text
#: man-pages/man7/ip.7:835
msgid ""
"When this flag is set, pass a B<IP_TTL> control message with the time to "
"live field of the received packet as a byte.  Not supported for "
"B<SOCK_STREAM> sockets."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:835
#, no-wrap
msgid "B<IP_RETOPTS> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.15
#. type: Plain text
#: man-pages/man7/ip.7:842
msgid ""
"Identical to B<IP_RECVOPTS>, but returns raw unprocessed options with "
"timestamp and route record options not filled in for this hop."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:842
#, no-wrap
msgid "B<IP_ROUTER_ALERT> (since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.68
#. type: Plain text
#: man-pages/man7/ip.7:854
msgid ""
"Pass all to-be forwarded packets with the IP Router Alert option set to this "
"socket.  Only valid for raw sockets.  This is useful, for instance, for user-"
"space RSVP daemons.  The tapped packets are not forwarded by the kernel; it "
"is the user's responsibility to send them out again.  Socket binding is "
"ignored, such packets are only filtered by protocol.  Expects an integer "
"flag."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:854
#, no-wrap
msgid "B<IP_TOS> (since Linux 1.0)"
msgstr ""

#.  FIXME elaborate on this
#.  Needs CAP_NET_ADMIN
#.  Boolean
#.  Since Linux 2.6.27
#.  Author: KOVACS Krisztian <hidden@sch.bme.hu>
#.  http://lwn.net/Articles/252545/
#. type: Plain text
#: man-pages/man7/ip.7:888
msgid ""
"Set or receive the Type-Of-Service (TOS) field that is sent with every IP "
"packet originating from this socket.  It is used to prioritize packets on "
"the network.  TOS is a byte.  There are some standard TOS flags defined: "
"B<IPTOS_LOWDELAY> to minimize delays for interactive traffic, "
"B<IPTOS_THROUGHPUT> to optimize throughput, B<IPTOS_RELIABILITY> to optimize "
"for reliability, B<IPTOS_MINCOST> should be used for \"filler data\" where "
"slow transmission doesn't matter.  At most one of these TOS values can be "
"specified.  Other bits are invalid and shall be cleared.  Linux sends "
"B<IPTOS_LOWDELAY> datagrams first by default, but the exact behavior depends "
"on the configured queueing discipline.  Some high priority levels may "
"require superuser privileges (the B<CAP_NET_ADMIN> capability).  The "
"priority can also be set in a protocol independent way by the "
"(B<SOL_SOCKET>, B<SO_PRIORITY>)  socket option (see B<socket>(7))."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:888
#, no-wrap
msgid "B<IP_TRANSPARENT> (since Linux 2.6.24)"
msgstr ""

#.  commit f5715aea4564f233767ea1d944b2637a5fd7cd2e
#.      This patch introduces the IP_TRANSPARENT socket option: enabling that
#.      will make the IPv4 routing omit the non-local source address check on
#.      output. Setting IP_TRANSPARENT requires NET_ADMIN capability.
#.  http://lwn.net/Articles/252545/
#. type: Plain text
#: man-pages/man7/ip.7:908
msgid ""
"Setting this boolean option enables transparent proxying on this socket.  "
"This socket option allows the calling application to bind to a nonlocal IP "
"address and operate both as a client and a server with the foreign address "
"as the local endpoint.  NOTE: this requires that routing be set up in a way "
"that packets going to the foreign address are routed through the TProxy box "
"(i.e., the system hosting the application that employs the B<IP_TRANSPARENT> "
"socket option).  Enabling this socket option requires superuser privileges "
"(the B<CAP_NET_ADMIN> capability)."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:911
msgid ""
"TProxy redirection with the iptables TPROXY target also requires that this "
"option be set on the redirected socket."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:911
#, no-wrap
msgid "B<IP_TTL> (since Linux 1.0)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:915
msgid ""
"Set or retrieve the current time-to-live field that is used in every packet "
"sent from this socket."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:915
#, no-wrap
msgid "B<IP_UNBLOCK_SOURCE> (since Linux 2.4.22 / 2.5.68)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:921
msgid ""
"Unblock previously blocked multicast source.  Returns B<EADDRNOTAVAIL> when "
"given source is not being blocked."
msgstr ""

#. type: SS
#: man-pages/man7/ip.7:926
#, no-wrap
msgid "/proc interfaces"
msgstr ""

#.  FIXME As at 2.6.12, 14 Jun 2005, the following are undocumented:
#. 	ip_queue_maxlen
#. 	ip_conntrack_max
#. type: Plain text
#: man-pages/man7/ip.7:942
msgid ""
"The IP protocol supports a set of I</proc> interfaces to configure some "
"global parameters.  The parameters can be accessed by reading or writing "
"files in the directory I</proc/sys/net/ipv4/>.  Interfaces described as "
"I<Boolean> take an integer value, with a nonzero value (\"true\") meaning "
"that the corresponding option is enabled, and a zero value (\"false\")  "
"meaning that the option is disabled."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:942
#, no-wrap
msgid "I<ip_always_defrag> (Boolean; since Linux 2.2.13)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:948
msgid ""
"[New with kernel 2.2.13; in earlier kernel versions this feature was "
"controlled at compile time by the B<CONFIG_IP_ALWAYS_DEFRAG> option; this "
"option is not present in 2.4.x and later]"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:955
msgid ""
"When this boolean flag is enabled (not equal 0), incoming fragments (parts "
"of IP packets that arose when some host between origin and destination "
"decided that the packets were too large and cut them into pieces) will be "
"reassembled (defragmented) before being processed, even if they are about to "
"be forwarded."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:962
msgid ""
"Only enable if running either a firewall that is the sole link to your "
"network or a transparent proxy; never ever use it for a normal router or "
"host.  Otherwise, fragmented communication can be disturbed if the fragments "
"travel over different links.  Defragmentation also has a large memory and "
"CPU time cost."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:966
msgid ""
"This is automagically turned on when masquerading or transparent proxying "
"are configured."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:966
#, no-wrap
msgid "I<ip_autoconfig> (since Linux 2.2 to 2.6.17)"
msgstr ""

#.  Precisely: since 2.1.68
#.  FIXME document ip_autoconfig
#. type: Plain text
#: man-pages/man7/ip.7:972
msgid "Not documented."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:972
#, no-wrap
msgid "I<ip_default_ttl> (integer; default: 64; since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.15
#. type: Plain text
#: man-pages/man7/ip.7:980
msgid ""
"Set the default time-to-live value of outgoing packets.  This can be changed "
"per socket with the B<IP_TTL> option."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:980
#, no-wrap
msgid "I<ip_dynaddr> (Boolean; default: disabled; since Linux 2.0.31)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:987
msgid ""
"Enable dynamic socket address and masquerading entry rewriting on interface "
"address change.  This is useful for dialup interface with changing IP "
"addresses.  0 means no rewriting, 1 turns it on and 2 enables verbose mode."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:987
#, no-wrap
msgid "I<ip_forward> (Boolean; default: disabled; since Linux 1.2)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:992
msgid ""
"Enable IP forwarding with a boolean flag.  IP forwarding can be also set on "
"a per-interface basis."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:992
#, no-wrap
msgid "I<ip_local_port_range> (since Linux 2.2)"
msgstr ""

#.  Precisely: since 2.1.68
#. type: Plain text
#: man-pages/man7/ip.7:1000
msgid ""
"This file contains two integers that define the default local port range "
"allocated to sockets that are not explicitly bound to a port number\\(emthat "
"is, the range used for I<ephemeral ports>.  An ephemeral port is allocated "
"to a socket in the following circumstances:"
msgstr ""

#. type: IP
#: man-pages/man7/ip.7:1001 man-pages/man7/ip.7:1004 man-pages/man7/ip.7:1007 man-pages/man7/ip.7:1010
#, no-wrap
msgid "*"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1004
msgid ""
"the port number in a socket address is specified as 0 when calling "
"B<bind>(2);"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1007
msgid ""
"B<listen>(2)  is called on a stream socket that was not previously bound;"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1010
msgid ""
"B<connect>(2)  was called on a socket that was not not previously bound;"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1013
msgid ""
"B<sendto>(2)  is called on a datagram socket that was not not previously "
"bound."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1020
msgid ""
"Allocation of ephemeral ports starts with the first number in "
"I<ip_local_port_range> and ends with the second number.  If the range of "
"ephemeral ports is exhausted, then the relevant system call returns an error "
"(but see BUGS)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1031
msgid ""
"Note that the port range in I<ip_local_port_range> should not conflict with "
"the ports used by masquerading (although the case is handled).  Also, "
"arbitrary choices may cause problems with some firewall packet filters that "
"make assumptions about the local ports in use.  The first number should be "
"at least greater than 1024, or better, greater than 4096, to avoid clashes "
"with well known ports and to minimize firewall problems."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1031
#, no-wrap
msgid "I<ip_no_pmtu_disc> (Boolean; default: disabled; since Linux 2.2)"
msgstr ""

#.  Precisely: 2.1.15
#.  The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
#. type: Plain text
#: man-pages/man7/ip.7:1043
msgid ""
"If enabled, don't do Path MTU Discovery for TCP sockets by default.  Path "
"MTU discovery may fail if misconfigured firewalls (that drop all ICMP "
"packets) or misconfigured interfaces (e.g., a point-to-point link where the "
"both ends don't agree on the MTU) are on the path.  It is better to fix the "
"broken routers on the path than to turn off Path MTU Discovery globally, "
"because not doing it incurs a high cost to the network."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1043
#, no-wrap
msgid "I<ip_nonlocal_bind> (Boolean; default: disabled; since Linux 2.4)"
msgstr ""

#.  Precisely: patch-2.4.0-test10
#.  The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
#. type: Plain text
#: man-pages/man7/ip.7:1052
msgid ""
"If set, allows processes to B<bind>(2)  to nonlocal IP addresses, which can "
"be quite useful, but may break some applications."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1052
#, no-wrap
msgid "I<ip6frag_time> (integer; default: 30)"
msgstr ""

#.  The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
#. type: Plain text
#: man-pages/man7/ip.7:1057
msgid "Time in seconds to keep an IPv6 fragment in memory."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1057
#, no-wrap
msgid "I<ip6frag_secret_interval> (integer; default: 600)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1061
msgid ""
"Regeneration interval (in seconds) of the hash secret (or lifetime for the "
"hash secret) for IPv6 fragments."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1061
#, no-wrap
msgid "I<ipfrag_high_thresh> (integer), I<ipfrag_low_thresh> (integer)"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1068
msgid ""
"If the amount of queued IP fragments reaches I<ipfrag_high_thresh>, the "
"queue is pruned down to I<ipfrag_low_thresh>.  Contains an integer with the "
"number of bytes."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1068
#, no-wrap
msgid "I<neigh/*>"
msgstr ""

#.  FIXME Document the conf/*/* interfaces
#.  FIXME Document the route/* interfaces
#.  FIXME document them all
#. type: Plain text
#: man-pages/man7/ip.7:1075
msgid "See B<arp>(7)."
msgstr ""

#. type: SS
#: man-pages/man7/ip.7:1075
#, no-wrap
msgid "Ioctls"
msgstr ""

#.  2006-04-02, mtk
#.  commented out the following because ipchains is obsolete
#.  .PP
#.  The ioctls to configure firewalling are documented in
#.  .BR ipfw (4)
#.  from the
#.  .B ipchains
#.  package.
#. type: Plain text
#: man-pages/man7/ip.7:1088
msgid "All ioctls described in B<socket>(7)  apply to B<ip>."
msgstr ""

#.  FIXME Add a discussion of multicasting
#. type: Plain text
#: man-pages/man7/ip.7:1092
msgid ""
"Ioctls to configure generic device parameters are described in "
"B<netdevice>(7)."
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:1092
#, no-wrap
msgid "ERRORS"
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1096
#, no-wrap
msgid "B<EACCES>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1112
msgid ""
"The user tried to execute an operation without the necessary permissions.  "
"These include: sending a packet to a broadcast address without having the "
"B<SO_BROADCAST> flag set; sending a packet via a I<prohibit> route; "
"modifying firewall settings without superuser privileges (the "
"B<CAP_NET_ADMIN> capability); binding to a privileged port without superuser "
"privileges (the B<CAP_NET_BIND_SERVICE> capability)."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1112
#, no-wrap
msgid "B<EADDRINUSE>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1115
msgid "Tried to bind to an address already in use."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1115
#, no-wrap
msgid "B<EADDRNOTAVAIL>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1119
msgid ""
"A nonexistent interface was requested or the requested source address was "
"not local."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1119
#, no-wrap
msgid "B<EAGAIN>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1122
msgid "Operation on a nonblocking socket would block."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1122
#, no-wrap
msgid "B<EALREADY>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1125
msgid ""
"An connection operation on a nonblocking socket is already in progress."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1125
#, no-wrap
msgid "B<ECONNABORTED>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1129
msgid "A connection was closed during an B<accept>(2)."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1129
#, no-wrap
msgid "B<EHOSTUNREACH>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1134
msgid ""
"No valid routing table entry matches the destination address.  This error "
"can be caused by a ICMP message from a remote router or for the local "
"routing table."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1134
#, no-wrap
msgid "B<EINVAL>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1140
msgid ""
"Invalid argument passed.  For send operations this can be caused by sending "
"to a I<blackhole> route."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1140
#, no-wrap
msgid "B<EISCONN>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1144
msgid "B<connect>(2)  was called on an already connected socket."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1144
#, no-wrap
msgid "B<EMSGSIZE>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1147
msgid ""
"Datagram is bigger than an MTU on the path and it cannot be fragmented."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1147
#, no-wrap
msgid "B<ENOBUFS>, B<ENOMEM>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1152
msgid ""
"Not enough free memory.  This often means that the memory allocation is "
"limited by the socket buffer limits, not by the system memory, but this is "
"not 100% consistent."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1152
#, no-wrap
msgid "B<ENOENT>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1156
msgid "B<SIOCGSTAMP> was called on a socket where no packet arrived."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1156
#, no-wrap
msgid "B<ENOPKG>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1159
msgid "A kernel subsystem was not configured."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1159
#, no-wrap
msgid "B<ENOPROTOOPT> and B<EOPNOTSUPP>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1162
msgid "Invalid socket option passed."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1162
#, no-wrap
msgid "B<ENOTCONN>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1166
msgid ""
"The operation is defined only on a connected socket, but the socket wasn't "
"connected."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1166
#, no-wrap
msgid "B<EPERM>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1170
msgid ""
"User doesn't have permission to set high priority, change configuration, or "
"send signals to the requested process or group."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1170
#, no-wrap
msgid "B<EPIPE>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1173
msgid "The connection was unexpectedly closed or shut down by the other end."
msgstr ""

#. type: TP
#: man-pages/man7/ip.7:1173
#, no-wrap
msgid "B<ESOCKTNOSUPPORT>"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1176
msgid "The socket is not configured or an unknown socket type was requested."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1183
msgid ""
"Other errors may be generated by the overlaying protocols; see B<tcp>(7), "
"B<raw>(7), B<udp>(7)  and B<socket>(7)."
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:1183
#, no-wrap
msgid "NOTES"
msgstr ""

#.  IP_PASSSEC is Linux-specific
#.  IP_XFRM_POLICY is Linux-specific
#.  IP_IPSEC_POLICY is a nonstandard extension, also present on some BSDs
#. type: Plain text
#: man-pages/man7/ip.7:1198
msgid ""
"B<IP_FREEBIND>, B<IP_MSFILTER>, B<IP_MTU>, B<IP_MTU_DISCOVER>, "
"B<IP_RECVORIGDSTADDR>, B<IP_PKTINFO>, B<IP_RECVERR>, B<IP_ROUTER_ALERT>, and "
"B<IP_TRANSPARENT> are Linux-specific."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1207
msgid ""
"Be very careful with the B<SO_BROADCAST> option - it is not privileged in "
"Linux.  It is easy to overload the network with careless broadcasts.  For "
"new application protocols it is better to use a multicast group instead of "
"broadcasting.  Broadcasting is discouraged."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1217
msgid ""
"Some other BSD sockets implementations provide B<IP_RCVDSTADDR> and "
"B<IP_RECVIF> socket options to get the destination address and the interface "
"of received datagrams.  Linux has the more general B<IP_PKTINFO> for the "
"same task."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1226
msgid ""
"Some BSD sockets implementations also provide an B<IP_RECVTTL> option, but "
"an ancillary message with type B<IP_RECVTTL> is passed with the incoming "
"packet.  This is different from the B<IP_TTL> option used in Linux."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1232
msgid ""
"Using B<SOL_IP> socket options level isn't portable, BSD-based stacks use "
"B<IPPROTO_IP> level."
msgstr ""

#. type: SS
#: man-pages/man7/ip.7:1232
#, no-wrap
msgid "Compatibility"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1245
msgid ""
"For compatibility with Linux 2.0, the obsolete B<socket(AF_INET, "
"SOCK_PACKET, >I<protocol>B<)> syntax is still supported to open a "
"B<packet>(7)  socket.  This is deprecated and should be replaced by "
"B<socket(AF_PACKET, SOCK_RAW, >I<protocol>B<)> instead.  The main difference "
"is the new I<sockaddr_ll> address structure for generic link layer "
"information instead of the old B<sockaddr_pkt>."
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:1245
#, no-wrap
msgid "BUGS"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1247
msgid "There are too many inconsistent error values."
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1255
msgid ""
"The error used to diagnose exhaustion of the ephemeral port range differs "
"across the various system calls (B<connect>(2), B<bind>(2), B<listen>(2), "
"B<sendto>(2))  that can assign ephemeral ports."
msgstr ""

#.  .PP
#.  Some versions of glibc forget to declare
#.  .IR in_pktinfo .
#.  Workaround currently is to copy it into your program from this man page.
#. type: Plain text
#: man-pages/man7/ip.7:1262
msgid ""
"The ioctls to configure IP-specific interface options and ARP tables are not "
"described."
msgstr ""

#.  .SH AUTHORS
#.  This man page was written by Andi Kleen.
#. type: Plain text
#: man-pages/man7/ip.7:1272
msgid ""
"Receiving the original destination address with B<MSG_ERRQUEUE> in "
"I<msg_name> by B<recvmsg>(2)  does not work in some 2.2 kernels."
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:1272
#, no-wrap
msgid "SEE ALSO"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1285
msgid ""
"B<recvmsg>(2), B<sendmsg>(2), B<byteorder>(3), B<ipfw>(4), "
"B<capabilities>(7), B<icmp>(7), B<ipv6>(7), B<netlink>(7), B<raw>(7), "
"B<socket>(7), B<tcp>(7), B<udp>(7)"
msgstr ""

#.  FIXME autobind INADDR REUSEADDR
#. type: Plain text
#: man-pages/man7/ip.7:1290
msgid ""
"RFC\\ 791 for the original IP specification.  RFC\\ 1122 for the IPv4 host "
"requirements.  RFC\\ 1812 for the IPv4 router requirements."
msgstr ""

#. type: SH
#: man-pages/man7/ip.7:1290
#, no-wrap
msgid "COLOPHON"
msgstr ""

#. type: Plain text
#: man-pages/man7/ip.7:1298
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 ""