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smpdump - Man Page

dump InfiniBand subnet management attributes


smpdump [options] <dlid|dr_path> <attribute> [attribute_modifier]


smpdump is a general purpose SMP utility which gets SM attributes from a specified SMA. The result is dumped in hex by default.



LID or DR path to SMA


IBA attribute ID for SM attribute


IBA modifier for SM attribute

-s, --string

Print strings in packet if possible

Addressing Flags

-D, --Direct     The address specified is a directed route

   [options] -D [options] "0"          # self port
   [options] -D [options] "0,1,2,1,4"  # out via port 1, then 2, ...

   (Note the second number in the path specified must match the port being
   used.  This can be specified using the port selection flag '-P' or the
   port found through the automatic selection process.)

-L, --Lid   The address specified is a LID

Port Selection flags

-C, --Ca <ca_name>    use the specified ca_name.

-P, --Port <ca_port>    use the specified ca_port.

Local port Selection

Multiple port/Multiple CA support: when no IB device or port is specified (see the "local umad parameters" below), the libibumad library selects the port to use 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 libibumad library attempts to fulfill the user request, and will fail if it is not possible.

For example:

ibaddr                 # use the first port (criteria #1 above)
ibaddr -C mthca1       # pick the best port from "mthca1" only.
ibaddr -P 2            # use the second (active/up) port from the first available IB device.
ibaddr -C mthca0 -P 2  # use the specified port only.

Debugging flags


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


show send and receive errors (timeouts and others)

-h, --help      show the usage message

-v,  --verbose

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

-V, --version     show the version info.

Configuration flags

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

--config, -z  <config_file> Specify alternate config file.

Default: /etc/infiniband-diags/ibdiag.conf


Config File


A global config file is provided to set some of the common options for all tools.  See supplied config file for details.


Direct Routed Examples


smpdump -D 0,1,2,3,5 16 # NODE DESC smpdump -D 0,1,2 0x15 2 # PORT INFO, port 2

LID Routed Examples


smpdump 3 0x15 2        # PORT INFO, lid 3 port 2 smpdump 0xa0 0x11       # NODE INFO, lid 0xa0

See Also

smpquery (8)


Hal Rosenstock

< halr@voltaire.com >

Referenced By

sminfo(8), smpquery(8).

2017-08-21 Open IB Diagnostics