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[chris32]

Hi All,

First post and all that 

So I've had VDSL for just under a year and all good.  I originally had an ECI modem but have just today swapped to a Huawei HG612 so I can
1) Get line stats and all that good stuff
2) Hopefully match manufacturer of my FTTC cabinet
3) Take advantage of G.INP 

I'm using bcm96368MVWG_fs_kernel_HG612V100R001C01B030SP08_webgui firmware on my HG612 and DSLstats to get the info.

Here are the stats:

Code: [Select]

xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 20551 Kbps, Downstream rate = 66108 Kbps
Bearer: 0, Upstream rate = 16816 Kbps, Downstream rate = 57254 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.1 5.9
Attn(dB): 17.9 0.0
Pwr(dBm): 13.9 7.5
VDSL2 framing
Bearer 0
MSGc: 19 18
B: 41 29
M: 1 1
T: 64 64
R: 10 10
S: 0.0233 0.0567
L: 17824 5639
D: 1393 567
I: 52 40
N: 52 40
Counters
Bearer 0
OHF: 14312544 1845982
OHFErr: 0 0
RS: 284877755 1321743
RSCorr: 14014 1355
RSUnCorr: 0 0

Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 2953631568 0
Data Cells: 108155320 0
Drop Cells: 0
Bit Errors: 0 0

ES: 0 0
SES: 0 0
UAS: 25 25
AS: 26829

Bearer 0
INP: 3.00 4.00
INPRein: 0.00 0.00
delay: 8 8
PER: 1.87 5.46
OR: 106.69 35.10
AgR: 57361.16 16851.17

Bitswap: 12956/12964 97/97

Total time = 7 hours 27 min 34 sec
FEC: 14014 1355
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 25 25
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 12 min 34 sec
FEC: 209 2
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 3
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 7 hours 27 min 34 sec
FEC: 14014 1355
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 25 25
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 1 day time = 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 7 hours 27 min 9 sec
FEC: 14014 1355
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
# Questions are: Does "Bearer: 0" in my line stats mean G.INP is turned off?  Any ideas why G.INP is off on my line?  Do I have to wait for DLM?

Also, just to confirm, I understand those in the know can tell my cabinet manufacturer from the following line stats:

Code: [Select]

xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 20619 Kbps, Downstream rate = 66336 Kbps
Bearer: 0, Upstream rate = 16816 Kbps, Downstream rate = 57254 Kbps

Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
  VDSL Port Details   Upstream   Downstream
Attainable Net Data Rate:     20619 kbps     66336 kbps
Actual Aggregate Tx Power:        7.5 dBm      13.9 dBm
====================================================================================
  VDSL Band Status U0 U1 U2 U3 U4 D1 D2 D3
  Line Attenuation(dB): 5.0 24.7 36.9 N/A N/A 12.7 30.5 46.1
Signal Attenuation(dB): 5.0 24.0 36.1 N/A N/A 15.5 30.3 46.1
        SNR Margin(dB): 5.8 6.0 5.9 N/A N/A 6.1 6.2 6.2
         TX Power(dBm): 0.2 -18.9 6.6 N/A N/A 11.3 7.8 7.0
# Is my cabinet definitely a Huawei cabinet?

Thanks all!

[Bald_Eagle1]

Hi Chris32 & welcome.

Questions are: Does "Bearer: 0" in my line stats mean G.INP is turned off?  Any ideas why G.INP is off on my line?  Do I have to wait for DLM?

When G.INP is active, you will also see references to Bearer 1 & other G.INP related stats
You will have to wait for it to become active (see below).

Also, just to confirm, I understand those in the know can tell my cabinet manufacturer from the following line stats:

Code: [Select]

Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)

Is my cabinet definitely a Huawei cabinet?

Those Discovery Phase band plan tones do indeed confirm that you are connected to a Huawei cabinet DSLAM, so you should shortly see that G.INP has been activated (assuming all Huaweis have now been updated).

Here's an example from an ECI cabinet:-

Code: [Select]

Discovery Phase (Initial) Band Plan
US: (6,31) (882,1193) (1984,2770)
DS: (33,857) (1218,1959) (2795,4083)


[chris32]

Bald_Eagle1 thank you and thank you! 

I guess it's a waiting game again now?  What kicked my move to a HG612 was that my Thinkbroadband monitor showed my minimum latency shoot from 10ms to 25ms around 20 days ago. I did have a noisy line (sounded like mains hum - water in the crimps!) which I resolved around 16 days ago now.

There were 2 schools of thought:

1) DLM working around my (then) duff line by increasing interleaving
2) G.INP kicking in as I have read that this may affect min latency

Over last 14 days, line has been clear as a bell - zero hum. Yet DLM has yet to kick me down to 10ms minimum latency 

So stuff it, I decided to swap to a HG612 so I could really see what was going on on my line!

Attached is my latest TBB graph, circa 10am drop is me swapping from ECI to HG612 

As I say, guess it's back to a waiting game now?

[Bald_Eagle1]

From what we have seen so far, it appears that ECI modems & HG612 modems connected to Huawei DSLAMs, but still using older firmware/software versions are currently unable to take advantage of the G.INP improvements.

You are now using the definitely G.INP capable modem, firmware & software, so you'll just have to play the waiting game.


It does appear to be generally a fairly short wait once a fully compatible modem is in place, maybe a couple of days or so?

It would be interesting to see what difference(s) it makes, as & when G.INP is actually activated on your connection, especially as the stats are currently confirming quite high depths of DS & US Interleaving & delay (particularly high for US which is often at 1 for Interleaving depth (OFF) & zero delay).

[chris32]

Thanks Bald_Eagle1 (again!)

Okey cokey. I'll wait 

No problem. I'll definitely post some more stats once G.INP kicks in. As you say hopefully a couple of days or so. 

[chris32]

It would be interesting to see what difference(s) it makes, as & when G.INP is actually activated on your connection, especially as the stats are currently confirming quite high depths of DS & US Interleaving & delay (particularly high for US which is often at 1 for Interleaving depth (OFF) & zero delay).

Well here we go!!!  Looks like DLM AND G.INP kicked in at 3am this morning!

Code: [Select]

xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 21298 Kbps, Downstream rate = 66768 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 67273 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.2 6.2
Attn(dB): 17.8 0.0
Pwr(dBm): 13.9 7.4
VDSL2 framing
Bearer 0
MSGc: -6 -6
B: 243 97
M: 1 1
T: 0 0
R: 10 8
S: 0.1155 0.1554
L: 17594 5457
D: 8 8
I: 254 106
N: 254 106
Q: 8 8
V: 0 2
RxQueue: 54 39
TxQueue: 18 13
G.INP Framing: 18 18
G.INP lookback: 18 13
RRC bits: 24 24
Bearer 1
MSGc: 154 58
B: 0 0
M: 2 2
T: 2 2
R: 16 16
S: 6.4000 16.0000
L: 40 16
D: 3 1
I: 32 32
N: 32 32
Q: 0 0
V: 0 0
RxQueue: 0 0
TxQueue: 0 0
G.INP Framing: 0 0
G.INP lookback: 0 0
RRC bits: 0 0
Counters
Bearer 0
OHF: 0 0
OHFErr: 0 0
RS: 593970936 783948
RSCorr: 7008 41
RSUnCorr: 0 0
Bearer 1
OHF: 1071937 27486
OHFErr: 0 0
RS: 10718755 9282
RSCorr: 0 0
RSUnCorr: 0 0

Retransmit Counters
rtx_tx: 24 4
rtx_c: 24 4
rtx_uc: 0 0

G.INP Counters
LEFTRS: 0 0
minEFTR: 67246 19991
errFreeBits: 17665662 5250879

Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 2227486887 0
Data Cells: 1546700 0
Drop Cells: 0
Bit Errors: 0 0

Bearer 1
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 0 0
Data Cells: 0 0
Drop Cells: 0
Bit Errors: 0 0

ES: 11 0
SES: 10 0
UAS: 58 48
AS: 17219

Bearer 0
INP: 48.00 47.00
INPRein: 0.00 0.00
delay: 0 0
PER: 0.00 0.00
OR: 0.01 0.01
AgR: 67342.23 20102.08

Bearer 1
INP: 4.50 4.00
INPRein: 4.50 4.00
delay: 3 0
PER: 16.06 16.06
OR: 79.68 31.87
AgR: 79.68 31.87

Bitswap: 10208/10208 28/28

Total time = 22 hours 3 min 3 sec
FEC: 43178 5726
CRC: 5106 0
ES: 11 0
SES: 10 0
UAS: 58 48
LOS: 1 0
LOF: 6 0
LOM: 0 0
Latest 15 minutes time = 3 min 3 sec
FEC: 0 1
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 8 6
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 22 hours 3 min 3 sec
FEC: 43178 5726
CRC: 5106 0
ES: 11 0
SES: 10 0
UAS: 58 48
LOS: 1 0
LOF: 6 0
LOM: 0 0
Previous 1 day time = 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 4 hours 46 min 57 sec
FEC: 7008 41
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
#
and

Code: [Select]

# xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 21309 Kbps, Downstream rate = 66768 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 67273 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
  VDSL Port Details   Upstream   Downstream
Attainable Net Data Rate:     21309 kbps     66768 kbps
Actual Aggregate Tx Power:        7.4 dBm      13.9 dBm
====================================================================================
VDSL Band Status U0 U1 U2 U3 U4 D1 D2 D3
  Line Attenuation(dB): 5.0 24.8 37.0   N/A   N/A 12.7 30.6 46.2
Signal Attenuation(dB): 5.0 24.0 36.0   N/A   N/A 15.4 30.3 46.2
SNR Margin(dB): 6.7 6.3 6.2   N/A   N/A 6.1 6.1 6.2
TX Power(dBm): 0.5 -18.8 6.5   N/A   N/A 11.3 7.8 7.0
#
TBB monitor screeny attached

[Bald_Eagle1]

That seems like quite an improvement 

It does appear that you have posted the pre-G.INP pbParams data though.

Are you using one of the stats monitoring/graphing programs (either my HG612 Modem Stats package or Roseway's DSLStats)?

[chris32]

Yep noticed that!!  Just edited post... 

Seems DSLstats is showing wrong pbparams.. telneted to get correct stats

Code: [Select]

# xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 21309 Kbps, Downstream rate = 66768 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 67273 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 Kbps
Discovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band Plan
US: (7,32) (871,1205) (1972,2782)
DS: (33,859) (1216,1961) (2793,3970)
  VDSL Port Details   Upstream   Downstream
Attainable Net Data Rate:     21309 kbps     66768 kbps
Actual Aggregate Tx Power:        7.4 dBm      13.9 dBm
====================================================================================
VDSL Band Status U0 U1 U2 U3 U4 D1 D2 D3
  Line Attenuation(dB): 5.0 24.8 37.0   N/A   N/A 12.7 30.6 46.2
Signal Attenuation(dB): 5.0 24.0 36.0   N/A   N/A 15.4 30.3 46.2
SNR Margin(dB): 6.7 6.3 6.2   N/A   N/A 6.1 6.1 6.2
TX Power(dBm): 0.5 -18.8 6.5   N/A   N/A 11.3 7.8 7.0
#


[WWWombat]

That is a hefty change!

If DLM just turned off FEC/interleaving, the old stats suggested you would have ended up with a 60/20 sync speed.

For G.INP to bump you to 67/20 is quite an improvement.

[Bald_Eagle1]

A couple of questions for anyone "in the know" (Black Sheep, perhaps)?


We have recently had our attention drawn to 'different' Huawei DSLAM versions.

This appears to be the usual Huawei DSLAM:-

ChipSet Vendor Id:      BDCM:0xa44f
ChipSet VersionNumber:  0xa44f

These DSLAMS appear to have no problems in activation G.INP when a compatible modem is connected.



However, from posts in various forums, it appears that these 'other' Huawei DSLAMS might not yet be G.INP ready:-

ChipSet Vendor Id:      BDCM:0xa485
ChipSet VersionNumber:  0xa485

This version also uses slightly different band plan tones that look a bit like somewhere between older firmware & the 'usual' firmware band plans as reported by unlocked & G.INP compatible modems with Broadcom chipsets.





The questions..............

1) Should these DSLAMS now be G.INP capable?
2) If not, what is required & when will it be done?
3) Are engineers able to determine the DSLAM's version from their JDSU or Exfo testers?


A factual response would be most helpful in clearing up some of the confusion that abounds surrounding the recent G.INP implementation via Huawei DSLAMS.

[burakkucat]

Not an answer to your question(s) but just a comment and a thought . . .

The Huawei MSANs that are currently deployed (as DSLAMs) in FTTCs are the SmartAX MA5616 and the SmartAX MA5603. I wonder if the observation of BDCM:0xa44f and BDCM:0xa485 might be related to the type of MSAN installed? 

[Bald_Eagle1]

Quick update...................

I have just seen evidence elsewhere that G.INP is also actually available via these DSLAMS:-

ChipSet Vendor Id:      BDCM:0xa485
ChipSet VersionNumber:  0xa485

[chris32]

Also, not an answer to your questions, just an info update really...

Looks like my Huawei DSLAM is one of the usual types:

Code: [Select]

Stats recorded 13 Apr 2015 11:56:37

DSLAM/MSAN type:        BDCM:0xa44f / v0xa44f
Modem/router firmware:  AnnexA version - A2pv6C038m.d24j
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  4 days 8 hours 55 min 59 sec
Resyncs:                0 (since 08 Apr 2015 21:01:03)

Downstream Upstream
Line attenuation (dB):  17.8 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 67273 20000
SNR margin (dB):        6.1 6.0
Power (dBm):            13.9 7.5
Interleave depth:        8 8
INP:                    48.00 47.00
G.INP:                  Enabled

RSCorr/RS (%):          0.3517 0.0814
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                0 0

 

[WWWombat]

Not an answer either, but ...

It strikes me that the Broadcom chipset perhaps varies by the card-type, and not just by the DSLAM model. Kitz recently reported a swap-out of VCMM cards, so perhaps we're seeing something related to that.

[KIAB]

I'm on Cabinet 39 in Bath, & I haven't got it yet.


Stats recorded 13 Apr 2015 13:18:33

DSLAM/MSAN type:           BDCM:0xa44f / v0xa44f
Modem/router firmware:     AnnexA version - A2pv6C030b.d22g
DSL mode:                  VDSL2 Profile 17a
Status:                    Showtime
Uptime:                    19 hours 7 min 5 sec
Resyncs:                   0 (since 13 Apr 2015 13:18:26)
         
            Downstream   Upstream
Line attenuation (dB):     0.0      0.0
Signal attenuation (dB):   Not monitored      
Connection speed (kbps):   17999      3695
SNR margin (dB):           15.1      9.9
Power (dBm):               12.8      4.1
Interleave depth:          1274      79
INP:                       11.50      4.00
G.INP:                     Not enabled      

RSCorr/RS (%):             0.0262      2.0383
RSUnCorr/RS (%):           0.0303      0.0000
ES/hour:                   0      0