Usage: transmission-cli [options] <file|url|magnet>

Options:
 -h  --help                          Display this help page and exit
 -b  --blocklist                     Enable peer blocklists
 -B  --no-blocklist                  Disable peer blocklists
 -d  --downlimit            <speed>  Set max download speed in kB/s
 -D  --no-downlimit                  Don't limit the download speed
 -er --encryption-required           Encrypt all peer connections
 -ep --encryption-preferred          Prefer encrypted peer connections
 -et --encryption-tolerated          Prefer unencrypted peer connections
 -f  --finish               <script> Run a script when the torrent finishes
 -g  --config-dir           <path>   Where to find configuration files
 -m  --portmap                       Enable portmapping via NAT-PMP or UPnP
 -M  --no-portmap                    Disable portmapping
 -p  --port                 <port>   Port for incoming peers (Default: 51413)
 -t  --tos                  <tos>    Peer socket TOS (0 to 255,
                                     default=default)
 -u  --uplimit              <speed>  Set max upload speed in kB/s
 -U  --no-uplimit                    Don't limit the upload speed
 -v  --verify                        Verify the specified torrent
 -V  --version                       Show version number and exit
 -w  --download-dir         <path>   Where to save downloaded data

[nemo@localhost ~]$ transmission-cli slackware-14.1-install-d1.torrent 
transmission-cli 2.82 (14160)
[21:04:05.156] Transmission 2.82 (14160) started
[21:04:05.172] RPC Server: Adding address to whitelist: 127.0.0.1
[21:04:05.173] DHT: Generating new id
[21:04:05.205] Saved "/home/nemo/.config/transmission/torrents/slackware-14.1-iso.6f8cd699135b4915.torrent"
[21:04:05.487] Port Forwarding (NAT-PMP): initnatpmp succeeded (0)
[21:04:05.487] Port Forwarding (NAT-PMP): sendpublicaddressrequest succeeded (2)
Progress: 3.2%, dl from 0 of 0 peers (0 kB/s), ul to 0 (0 kB/s) [0.00]    [21:04:13.497] Port Forwarding: State changed from "Not forwarded" to "Starting"
[21:04:14.038] Port Forwarding: State changed from "Starting" to "???"
Progress: 3.2%, dl from 0 of 18 peers (0 kB/s), ul to 0 (0 kB/s) [0.00]         [21:04:24.002] slackware-14.1-iso: Starting IPv4 DHT announce (poor, 16 nodes)
Progress: 12.4%, dl fr[21:04:57.099] slackware-14.1-iso: Piece 399, which was just downloaded, failed its checksum test
[21:04:58.237] DHT: Attempting bootstrap from dht.transmissionbt.com
Progress: 25.9%, dl from 24 of 26 peers (2.27 MB/s), ul to 0 (0 kB/s) [0.00]