Usage: /usr/bin/ibnetdiscover [options] [topology-file]

Options:
  --full, -f              show full information (ports' speed and width, vlcap)
  --show, -s              show more information
  --list, -l              list of connected nodes
  --grouping, -g          show grouping
  --Hca_list, -H          list of connected CAs
  --Switch_list, -S       list of connected switches
  --Router_list, -R       list of connected routers
  --node-name-map <file>  node name map file
  --cache <file>          filename to cache ibnetdiscover data to
  --load-cache <file>     filename of ibnetdiscover cache to load
  --diff <file>           filename of ibnetdiscover cache to diff
  --diffcheck <key(s)>    specify checks to execute for --diff
  --ports, -p             obtain a ports report
  --max_hops, -m          report max hops discovered by the library
  --outstanding_smps, -o <val>  specify the number of outstanding SMP's
                                which should be issued during the scan
  --config, -z <config>   use config file, default: /etc/infiniband-diags/ibdiag.conf
  --Ca, -C <ca>           Ca name to use
  --Port, -P <port>       Ca port number to use
  --timeout, -t <ms>      timeout in ms
  --m_key, -y <key>       M_Key to use in request
  --pkey-idx, -Y <idx>    P_Key table index for outgoing SA/GMP MADs
                          (default 0)
  --errors, -e            show send and receive errors
  --verbose, -v           increase verbosity level
  --debug, -d             raise debug level
  --help, -h              help message
  --version, -V           show version