This command reports the current situation of the NPV resource:
[13:09:13] ABILIS_CPX:d d npv
RES:NPv -----------------------------------------------------------------------
       NPV-STATE:READY         CUR-LINKS:2         LINKS-READY:2
       UDP-STATE:READY         MAX-LINKS:1000      LINKS-DOWN:0
       BCK-STATE:READYThe meaning:
NPV-STATEINACTIVE - NPV driver is not active,
                configuration parameter
                ACT:NO.
READY - the driver is fully ready to
                work.
UDP-STATEDOWN - UDP is DOWN.
READY - UDP is READY.
BCK-STATEBackup state:
DOWN - backup is DOWN or
                configuration parameter
                BCKRES:NONE.
READY - backup is READY.
CUR-LINKSCurrent number of link used.
LINKS-READYNumber of links in READY state.
MAX-LINKSMaximum number of configurable links.
LINKS-DOWNNumber of links in DOWN state.
This command can help to understand what is happening, in case of troubles:
[13:09:15] ABILIS_CPX:d s npv
RES:NPv -----------------------------------------------------------------------
       --- Cleared 1 days 05:34:13 ago, on 30/11/2017 at 10:01:59 -------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       AUTH-FAIL  |          0|          0|BAD-FORMAT |          0|           |
       NO-LINK    |          0|           |
       - IP traffic -----------------------------------------------------------
       IP-CHR     |    2380374|    2761316|IP-FRM     |      42500|      52792|
       -- Bck traffic ---------------------------------------------------------
       SUCC-CALL  |          0|          0|FAIL-CALL  |          0|          0|
       TIME-CALL  |          0|          0|BCK-EXCEED |          0|          0|
       BCK-CHR    |          0|          0|BCK-FRM    |          0|          0|
       ------------------------------------------------------------------------With reference to the shown interval of time («Cleared 1 days 05:34:13 ago») these counters show the number of:
AUTH-FAIL | Failure of incoming/outgoing authentication request. | 
BAD-FORMAT  | Number of packets received with a remote IP not present into main filter. | 
NO-LINK | Number of packets receive with a DST-ID not existent. | 
IP-CHR | Incoming/outgoing characters from/to IP/UDP. | 
IP-FRM | Incoming/outgoing frames from/to IP/UDP. | 
SUCC-CALL | Successful incoming/outgoing calls. | 
FAIL-CALL | IN - incoming calls intercepted but refused. OUT - unsuccessful outgoing calls. | 
TIME-CALL | Connection time for incoming/outgoing calls. | 
BCK-EXCEED | Incoming/outgoing backup calls that cannot be executed
              because the max-bck limit was
              exceeded. | 
BCK-CHR | Incoming/outgoing characters from/to BCK. | 
BCK-FRM | Incoming/outgoing frames from/to BCK. | 
The following commands are used to display the diagnostics of tunneling links:
Shows the diagnostics of all the Packet Voice links.
Shows the diagnostics of all the Packet Voice links in extended mode.
Shows the diagnostics of Packet Voice link with id n in extended mode.
Shows the Link-Check (LC) Round Trip Time (msec) and local/remote loss of the last 5 minutes.
To display the diagnostics of the NPVL resource the following commands are used:
[13:09:13] ABILIS_CPX:d d npvl
ID:  CLUS:    STATE: RemID: Path1: Path2: Bck:   Bck-Chan:  CR:
-------------------------------------------------------------------------------
1    linea1    READY  255    UP     UP     DOWN   READY      NO
2    linea2    READY  255    UP     UP     -      -          NOThe meaning:
IDLink identifier.
CLUSCluster identifier.
STATEPort state
DOWN - link is DOWN.
READY - link is READY.
RemIDRemote link identifier.
Path1/Path2Path state:
DOWN - path is DOWN.
AUTH - path is AUTHENTICATING.
WAIT - path is WAITING for link-check
                UP.
UP - path is UP.
BCK-STATEBackup state:
DOWN - backup is DOWN.
READY - backup is READY.
Bck-ChanBackup channel state:
            READY/READY-DELAY/CALLING/CALLED/CONNECTED-TO/CONNECTED-FROM/CLEARING/CLEARED/NOT
            PRESENT/STOPPED 1/STOPPED
            2/US DELAY.
CRNPVL cipher state:
NO - no cipher.
LOC - local cipher key is used for
                both directions.
REM - remote cipher key is used for
                both directions.
BOTH - cipher is set in both sides:
                each side sends packets ciphered with own key (and rem key is
                used for decipher).
To display the diagnostics extended of the NPVL resource the following commands are used:
[13:11:32] ABILIS_CPX:d de npvl id:1
ID:  CLUS:    STATE: RemID: Path1: Path2: Bck:   Bck-Chan:  CR:
                     RemIP1:                     RemIP2:
                     RTY:   USRTY: TDEL:  TREM:  VDT:
-------------------------------------------------------------------------------
1    linea1   READY  255    UP     UP     DOWN   READY      NO
                     127.000.000.001-38383       127.000.000.001-38383
                          0      0      0      0      0The meaning of extended diagnostics:
RemIP1Current remote IP address of first path.
RemIP2Current remote IP address of second path.
RTYCurrent Opening retry counter.
USRTYCurrent Unattended site opening retry counter.
TDELMaximum READY-DEL time.
TREMRemaining READY-DEL timer.
VDTCurrent Voice Disconnect Timer.
To display only Link-Check of the NPVL resource the following commands are used:
[13:11:32] ABILIS_CPX:d d[e] npvl lc
ID:  CLUS:    STATE: Path1:   LAST:   MIN:   AVG:   MAX:   LLOSS%:  RLOSS%:
                     Path2:
                     Bck:
-------------------------------------------------------------------------------
1    linea1    READY  UP        141    137    139    141       0.0      0.0
     --------------------------------------------------------------------------The meaning of Link-Check diagnostics:
LASTLink-check round-trip delay - Last attempt.
MINLink-check round-trip delay - Minimum delay in period.
AVGLink-check round-trip delay - Average delay in period.
MAXLink-check round-trip delay - Max delay in period.
LLOSS%Link-check round-trip delay - Percentage of packets loss during period.
RLOSS%Remote Link-check round-trip delay - Percentage of packets loss during period.
The following commands are used to display the statistics of tunneling links:
Shows the statistics of all the Packet Voice links.
Shows the statistics of all the Packet Voice links in extended mode.
Shows the statistics of Packet Voice with id n about path number m[1, 2, bck] in extended mode.
To display the statistics of the NPVL resource the following commands are used:
[13:13:32] ABILIS_CPX:d s npvl id:1
ID:1    CLUS:linea1 
       --- Cleared 2 days 18:19:30 ago, on 01/12/2017 at 19:09:03 -------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       NPVL-DOWN  |           |          0|BCK-STOP1  |           |          0|
       PATH-DOWN  |           |          0|BCK-STOP2  |           |          0|
       IP-CHR     |   19553933|   20310485|IP-FRM     |     171763|     183079|
       SUCC-CALL  |          0|          0|FAIL-CALL  |          0|          0|
       TIME-CALL  |          0|          0|BCK-EXCEED |          0|          0|
       BCK-CHR    |          0|          0|BCK-FRM    |          0|          0|
       ERRORS     |          0|          0|           |           |           |
       ------------------------------------------------------------------------
       -----------|-VOICE-IN--|-CHECK IN--|-----------|-VOICE-IN--|-CHECK IN--|
       MISSING    |          0|          0|REORDERED  |          0|          0|
       TOUT       |          0|          0|           |           |           |
       ------------------------------------------------------------------------
       -- Local and remote packet loss analysis, total and last 5 mins --------
       -----------|--MISSING--|----PCK----|--MISSING%-|
       LOC-TOTAL  |          0|      76032|       0.00|
       LOC-5min   |          0|          0|       0.00|
       REM-TOTAL  |        N/A|        N/A|        N/A|
       REM-5min   |        N/A|        N/A|        N/A|
       ------------------------------------------------------------------------
       -- Time arrival variation of voice packets after reordering (ms) -------
       ------------------------------------------------------------------------
            0- 20 |      76018 ( 100% )   |   151-200 |          0 (   0% )   |
           21- 50 |          0 (   0% )   |   201-300 |          0 (   0% )   |
           51-100 |          0 (   0% )   |   301-600 |          0 (   0% )   |
          101-150 |          0 (   0% )   |   601-xxx |          0 (   0% )   |
       ------------------------------------------------------------------------With reference to the shown interval of time («Cleared 2 days 18:19:30 ago») these counters show the number of:
ID | Link identifier. | 
CLUS | Cluster identifier | 
NPVL-DOWN | Times that link state went down. | 
PATH-DOWN | Times that path state went down. | 
BCK-STOP1 | Times that BCK state went in STOPPED1. | 
BCK-STOP2 | Times that BCK state went in STOPPED2. | 
IP-CHR | Incoming/outgoing characters from/to IP/UDP. | 
IP-FRM | Incoming/outgoing frames from/to IP/UDP. | 
SUCC-CALL | Successful incoming/outgoing calls. | 
FAIL-CALL | IN - incoming calls intercepted but refused. OUT - unsuccessful outgoing calls. | 
TIME-CALL | Connection time for incoming/outgoing calls. | 
BCK-EXCEED | Incoming/outgoing backup calls that cannot be executed
              because the max-bck limit was
              exceeded. | 
BCK-CHR | Incoming/outgoing characters from/to BCK. | 
BCK-FRM | Incoming/outgoing frames from/to BCK. | 
ERRORS | Sum of all possible incoming/outgoing link/path errors. | 
MISSING VOICE-IN | Missing voice frames when time-out expired. | 
MISSING CHECK-IN | Missing link-check frames when time-out expired. | 
REORDERED VOICE-IN | Voice frames out of sequence before T-OUT expired. | 
REORDERED CHECK-IN | Link-check frames out of sequence before T-OUT expired. | 
TOUT VOICE-IN | Time-out is expired, queued voice frames must be sent to the upper layer. | 
TOUT CHECK-IN | Time-out is expired, queued link-check frames must be sent to the upper layer. | 
LOC-TOTAL | LOCAL missing voice frames when time-out expired. | 
LOC-5min | LOCAL missing voice frames when time-out expired in last 5 minutes. | 
REM-TOTAL | REMOTE missing voice frames when time-out expired. | 
REM-5min | REMOTE missing voice frames when time-out expired in last 5 minutes. | 
0- 20/21-
              50/51-100/101-150/151-200/201-300/301-600/601-xxx | Frames received in time delay of 0-
              20/21-
              50/51-100/101-150/151-200/201-300/301-600/601-xxx
              milliseconds | 
To display the statistics extended of the NPVL resource the following commands are used:
[13:14:25] ABILIS_CPX:d se npvl id:1
ID:1    CLUS:linea1      
       --- Cleared 0 days 15:37:11 ago, on 05/12/2017 at 19:32:03 -------------
       - Link checks ----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       NPVL-DOWN  |           |          0|BCK-STOP1  |           |          0|
       PATH-DOWN  |           |          0|BCK-STOP2  |           |          0|
       PATH-LCTOUT|           |         10|BCK-LCTOUT |           |          0|
       - IP traffic -----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       IP-CHR     |   16311205|   15375264|IP-FRM     |      58361|      55840|
       IP-CHR-V   |   15051646|   14115230|IP-FRM-V   |      35876|      33342|
       IP-CHR-C   |    1259559|    1260034|IP-FRM-C   |      22485|      22498|
       V-RED-FM   |           |          0|V-SAVED%   |          3|          5|
       V-RED-VOICE|           |      65406|
       ------------------------------------------------------------------------
       - Bck traffic ----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       BCK-CHR    |          0|          0|BCK-FRM    |          0|          0|
       BCK-CHR-V  |          0|          0|BCK-FRM-V  |          0|          0|
       BCK-CHR-C  |          0|          0|BCK-FRM-C  |          0|          0|
       ------------------------------------------------------------------------
       - Errors ---------------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       LONG-V     |          0|          0|LOST-V     |          0|           |
       LONG-C     |          0|          0|LOST-C     |          0|          0|
       NO-CRKEY   |          0|          0|BAD-CIPH   |          0|          0|
       BAD-SOURCE |          0|           |BAD-LINK-ID|          0|           |
       BAD-DEST   |          0|           |
       -----------|-VOICE-IN--|-CHECK-IN--|-----------|-VOICE-IN--|-CHECK-IN--|
       MISSING    |          2|          0|REORDERED  |          0|          0|
       TOUT       |          1|          0|           |           |           |
       NOBUF      |          0|          0|OUT-SEQ    |          0|          0|
       NOBUF-LINK |          0|           |DUPLICATED |     100392|          0|
       RESYNC     |          0|          0|
       ------------------------------------------------------------------------
       -- Local and remote packet loss analysis, total and last 5 mins --------
       -----------|--MISSING--|----PCK----|--MISSING%-|
       LOC-TOTAL  |          2|      33703|       0.00|
       LOC-5min   |          0|          0|       0.00|
       REM-TOTAL  |          0|      32979|       0.00|
       REM-5min   |          0|          0|       0.00|
       ------------------------------------------------------------------------
       -- Time arrival variation of voice packets after reordering (ms) -------
       ------------------------------------------------------------------------
            0- 20 |      33695 ( 100% )   |   151-200 |          0 (   0% )   |
           21- 50 |          0 (   0% )   |   201-300 |          0 (   0% )   |
           51-100 |          0 (   0% )   |   301-600 |          0 (   0% )   |
          101-150 |          0 (   0% )   |   601-xxx |          0 (   0% )   |
       ------------------------------------------------------------------------
With reference to the shown interval of time («Cleared 0 days 15:37:11 ago») these counters show the number of:
![]()  | Tip | 
|---|---|
Those listed above have been excluded.  | 
PATH-LCTOUT | Times that link-check response for PATH was lost. | 
BCK-LCTOUT | Times that link-check response for BCK was lost. | 
IP-CHR-V | Voice incoming/outgoing IP characters from/to IP/UDP. | 
IP-CHR-C | Link-check incoming/outgoing IP characters from/to IP/UDP. | 
IP-FRM-V | Voice incoming/outgoing IP frames from/to IP/UDP. | 
IP-FRM-C | Link-check incoming/outgoing IP frames from/to IP/UDP. | 
V-RED-FM | Number of redundancy Fax-Modem frames. | 
V-RED-VOICE | Number of redundancy Voice frames. | 
V-SAVED% | Percentage of space saved with optimization on incoming/outgoing Voice frames. | 
BCK-CHR-V | Voice incoming/outgoing IP characters from/to BCK. | 
BCK-CHR-C | Link-check incoming/outgoing IP characters from/to BCK. | 
BCK-FRM-V | Voice incoming/outgoing IP frames from/to BCK. | 
BCK-FRM-C | Link-check incoming/outgoing IP frames from/to BCK. | 
LONG-V | Too long incoming/outgoing VOICE frames. | 
LONG-C | Too long incoming/outgoing Link-check frames. | 
LOST-V | Lost VOICE frames: buffer is full. | 
LOST-C | Lost Link-check frames: buffer is full. | 
NO-CRKEY | Missing CrKey. Incoming/outgoing data frame discarded. | 
BAD-CIPH | Invalid ciphered incoming/outgoing data frame. Frame discarded. | 
BAD-SOURCE | Incoming frames with good port but bad IP source address or bad source port. | 
BAD-LINK-ID | Incoming frames with good port but bad source ID or good destination ID but path state DOWN. | 
BAD-DEST | Incoming frames with bad IP source destination. | 
NOBUF | Lost Voice/Link-check frames: buffer is full. | 
NOBUF-LINK | Lost Voice frames: buffer is NOT full but maximum limit reached. | 
OUT-SEQ | OUT-OF-SEQ Voice/Link-check frames received after time-out. | 
DUPLICATED | OUT-OF-SEQ Voice/Link-check frames received duplicated. | 
RESYNC | Resync Voice/Link-check request. | 
To display the statistics extended of the NPVL resource separated by path the following commands are used:
[13:14:39] ABILIS_CPX:d se npvl id:1 path:1
ID:1    PATH:1    
       --- Cleared 0 days 21:53:20 ago, on 04/06/2015 at 18:08:46 -------------
       - Link checks ----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       PATH-DOWN  |           |          0|           |           |           |
       PATH-LCTOUT|           |          0|           |           |           |
       - IP traffic -----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       IP-CHR     |   24351634|   24427613|IP-FRM     |     275672|     294679|
       IP-CHR-V   |   23602243|   23554606|IP-FRM-V   |     260065|     279071|
       IP-CHR-C   |     749391|     873007|IP-FRM-C   |      15607|      15608|
       V-RED-FM   |           |          0|V-SAVED%   |          6|          4|
       V-RED-VOICE|           |          0|
       ------------------------------------------------------------------------
       - Errors ---------------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       LONG-V     |          0|          0|LOST-V     |          0|           |
       LONG-C     |          0|          0|LOST-C     |          0|          0|
       NO-CRKEY   |          0|          0|BAD-CIPH   |          0|          0|
       BAD-SOURCE |          0|           |BAD-LINK-ID|          0|           |
       BAD-DEST   |          0|           |
       -----------|-VOICE-IN--|-CHECK IN--|-----------|-VOICE-IN--|-CHECK IN--|
       NOBUF      |          0|          0|OUT-SEQ    |          0|          0|
       NOBUF-LINK |          0|           |DUPLICATED |     591929|          0|
       RESYNC     |          0|          0|
       ------------------------------------------------------------------------[13:17:28] ABILIS_CPX:d se npvl id:1 path:bck
ID:1    PATH:Bck  
       --- Cleared 0 days 21:53:49 ago, on 04/06/2015 at 18:08:46 -------------
       - Link checks ----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
                  |           |           |BCK-STOP1  |           |          0|
                  |           |           |BCK-STOP2  |           |          0|
                  |           |           |BCK-LCTOUT |           |          0|
       - Bck traffic ----------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       BCK-CHR    |          0|          0|BCK-FRM    |          0|          0|
       BCK-CHR-V  |          0|          0|BCK-FRM-V  |          0|          0|
       BCK-CHR-C  |          0|          0|BCK-FRM-C  |          0|          0|
       ------------------------------------------------------------------------
       - Errors ---------------------------------------------------------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       LONG-V     |          0|          0|LOST-V     |          0|           |
       LONG-C     |          0|          0|LOST-C     |          0|          0|
       NO-CRKEY   |          0|          0|BAD-CIPH   |          0|          0|
                  |           |           |BAD-LINK-ID|          0|           |
       -----------|-VOICE-IN--|-CHECK IN--|-----------|-VOICE-IN--|-CHECK IN--|
       NOBUF      |          0|          0|OUT-SEQ    |          0|          0|
       NOBUF-LINK |          0|           |DUPLICATED |          0|          0|
       RESYNC     |          0|          0|
       ------------------------------------------------------------------------