ibstat - Man Page

query basic status of InfiniBand device(s)


ibstat [options] <ca_name> [portnum]


ibstat is a binary which displays basic information obtained from the local IB driver. Output includes LID, SMLID, port state, link width active, and port physical state.

It is similar to the ibstatus utility but implemented as a binary rather than a script. It has options to list CAs and/or ports and displays more information than ibstatus.


-l, --list_of_cas

list all IB devices

-s, --short

short output

-p, --port_list

show port list


InfiniBand device name


port number of InfiniBand device

Debugging flags


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

-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

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

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



ibstat            # display status of all ports on all IB devices ibstat -l         # list all IB devices ibstat -p         # show port guids ibstat mthca0 2   # show status of port 2 of 'mthca0'

See Also

ibstatus (8)


Hal Rosenstock

< halr@voltaire.com >

Referenced By


2017-08-21 Open IB Diagnostics