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       ibtracert- trace InfiniBand path


       ibtracert  [-d(ebug)]  [-v(erbose)] [-D(irect)] [-G(uids)] [-n(o_info)]
       [-m mlid] [-s smlid] [-C ca_name] [-P ca_port] [-t(imeout)  timeout_ms]
       [-V(ersion)]   [--node-name--map   <node-name-map>]   [-h(elp)]  [<dest
       dr_path|lid|guid> [<startlid> [<endlid>]]]


       ibtracert uses SMPs to trace the  path  from  a  source  GID/LID  to  a
       destination  GID/LID.  Each  hop  along the path is displayed until the
       destination is reached or a hop does  not  respond.  By  using  the  -m
       option,  multicast  path  tracing  can  be performed between source and
       destination nodes.


       -n, --no_info
              simple format; don’t show additional information

       -m     show the multicast trace of the specified mlid

       --node-name-map <node-name-map>
              Specify a node name map.  The node name map file maps  GUIDs  to
              more  user  friendly  names.  See ibnetdiscover(8) for node name
              map file format.


       Most OpenIB diagnostics take the following common flags. The exact list
       of  supported  flags  per utility can be found in the usage message and
       can be shown using the util_name -h syntax.

       # Debugging flags

       -d      raise the IB debugging level.
               May be used several times (-ddd or -d -d -d).

       -h      show the usage message

       -v      increase the application verbosity level.
               May be used several times (-vv or -v -v -v)

       -V      show the version info.

       # Addressing flags

       -D      use directed path address arguments. The path
               is a comma separated list of out ports.
               "0"             # self port
               "0,1,2,1,4"     # out via port 1, then 2, ...

       -G      use GUID address argument. In most cases, it is the Port  GUID.

       -s <smlid>      use ’smlid’ as the target lid for SM/SA queries.

       # Other common flags:

       -C <ca_name>    use the specified ca_name.

       -P <ca_port>    use the specified ca_port.

       -t <timeout_ms> override the default timeout for the solicited mads.

       Multiple CA/Multiple Port Support

       When  no IB device or port is specified, the port to use is selected by
       the following criteria:

       1. the first port that is ACTIVE.

       2. if not found, the first port that is UP (physical link up).

       If a port and/or CA name is specified, the user request is attempted to
       be fulfilled, and will fail if it is not possible.


       Unicast examples

       ibtracert 4 16              # show path between lids 4 and 16

       ibtracert -n 4 16           # same, but using simple output format

       ibtracert -G 0x8f1040396522d 0x002c9000100d051  # use guid addresses

       Multicast example

       ibtracert  -m  0xc000  4  16     #  show  multicast path of mlid 0xc000
       between lids 4 and 16




       Hal Rosenstock

       Ira Weiny