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rtsol (8)
  • >> rtsol (8) ( FreeBSD man: Команды системного администрирования )

  • BSD mandoc
     

    NAME

    rtsold , rtsol
    
     - router solicitation daemon
    
    
     
    

    SYNOPSIS

    [-dDfFm1 ] [-O script-name ] interface ...
    [-dDfFm1 ] [-O script-name ] -a
    rtsol [-dDF ] [-O script-name ] interface ...
    rtsol [-dD ] [-O script-name ] -a  

    DESCRIPTION

    is the daemon program to send ICMPv6 Router Solicitation messages on the specified interfaces. If a node (re)attaches to a link, sends some Router Solicitations on the link destined to the link-local scope all-routers multicast address to discover new routers and to get non link-local addresses.

    should be used on IPv6 hosts (non-router nodes) only.

    If you invoke the program as rtsol it will transmit probes from the specified interface without becoming a daemon. In other words, rtsol behaves as Do -f1 interfaces Dc .

    Specifically, sends at most 3 Router Solicitations on an interface after one of the following events:

    Lp Once has sent a Router Solicitation, and has received a valid Router Advertisement, it refrains from sending additional solicitations on that interface, until the next time one of the above events occurs. Lp When sending a Router Solicitation on an interface, includes a Source Link-layer address option if the interface has a link-layer address. Lp manages a per-interface parameter to detect if a separate protocol is needed for configuration parameters other than host's addresses. At the invocation time, the flag is FALSE, and becomes TRUE when the daemon receives a router advertisement with the OtherConfig flag being set. A script file can be specified to deal with the case (see below) When start resending router solicitation messages by one of the conditions events, the daemon resets the parameter because the event may indicate a change on the attached link.

    Upon receipt of signal SIGUSR1 will dump the current internal state into /var/run/rtsold.dump

    The options are as follows:

    -a
    Autoprobe outgoing interface. will try to find a non-loopback, non-point-to-point, IPv6-capable interface. If finds multiple interfaces, will exit with error.
    -d
    Enable debugging.
    -D
    Enable more debugging including the printing of internal timer information.
    -f
    Prevent from becoming a daemon (foreground mode). Warning messages are generated to standard error instead of syslog(3).
    -F
    Explicitly configure the kernel to accept Router Advertisements and disable IPv6 forwarding. These settings are required for proper operation. Without this option, the current settings will be obeyed; if they are incompatible with proper operation, warning messages will be generated, but Router Solicitations will still be sent. The settings may be changed manually with sysctl(8).
    -m
    Enable mobility support. If this option is specified, sends probing packets to default routers that have advertised Router Advertisements when the node (re)attaches to an interface. Moreover, if the option is specified, periodically sends Router Solicitation on an interface that does not support SIOCGIFMEDIA ioctl.
    -1
    Perform only one probe. Transmit Router Solicitation packets until at least one valid Router Advertisement packet has arrived on each interface then exit.
    -O script-name
    Specifies a supplement script file to handle the Other Configuration flag of the router advertisement. When the flag changes from FALSE to TRUE, will invoke script-name with a single argument of the receiving interface name, expecting the script will then start a protocol for the other configuration. script-name must be the absolute path from root to the script file, be a regular file, and be created by the same owner who runs .

     

    RETURN VALUES

    The program exits 0 on success, and >0 on failures.  

    FILES

    /var/run/rtsold.pid
    the pid of the currently running .
    /var/run/rtsold.dump
    dumps internal state on.

     

    SEE ALSO

    rtadvd(8), sysctl(8)  

    HISTORY

    The command is based on the rtsol command, which first appeared in WIDE/KAME IPv6 protocol stack kit. rtsol is now integrated into rtsold(8).  

    BUGS

    In some operating systems, when a PCMCIA network card is removed and reinserted, the corresponding interface index is changed. However, assumes such changes will not occur, and always uses the index that it got at invocation. As a result, may not work if you reinsert a network card. In such a case, should be killed and restarted.

    The IPv6 autoconfiguration specification assumes a single-interface host. You may see kernel error messages if you try to autoconfigure a host with multiple interfaces. Also, it seems contradictory for to accept multiple interface arguments.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    FILES
    SEE ALSO
    HISTORY
    BUGS


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