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Author Topic: HG612 swap from DM200 - unable to get internet  (Read 1364 times)

Zag

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HG612 swap from DM200 - unable to get internet
« on: June 05, 2019, 09:21:46 AM »

Hi guys,

First of all, thanks for all the hard work on this site, used a lot of the guides on here and managed to get DSLStats working across my network through the WAN port (Chrysalis/Dray TYVM).

I am getting stuck trying to swap my modem to the HG612 (unlocked 3B variant), the modem syncs and gathers all my line information perfectly but I am unable to access the internet. My current set up is as follows:

ISP (Zen Internet Fibre 2 FTTC 80/20) -> Netgear DM200 -> Edgerouter X -> LAN

With this set up the internet is fully functional, no issues with speed at all. I am wanting to swap the modems over to access my line stats as this is something the DM200 appears to completely lack.

I have tried making suggested adjustments within the HG612 such as swapping bridge mode between IP_Bridge and PPPoE_Bridge, turning VLAN 101 on and off, added VCI/VPI info as recommended by my ISP to the ATM settings, and resetting the modem to default settings. It's clear the HG612 is connecting to the external network but not allowing the edgerouter access.

I'm at a loss for what to try next as the DM200 is working without issue as things stand (as did my DSL-AC68u before I moved to a modem+router set up).

My DSL stats from the HG612 while it is connected are:

DSLAM type / SW version:   IFTN:0xb206 (178.6) / v0xb206
Modem/router firmware:     AnnexA version - A2pv6C038m.d24j
DSL mode:                  VDSL2 Profile 17a
Status:                    Showtime
Uptime:                     0 hour 27 min 30 sec
Resyncs:                   0 (since 05 Jun 2019 08:20:11)
         
            Downstream   Upstream
Line attenuation (dB):     8.8      0.0
Signal attenuation (dB):   Not monitored      
Connection speed (kbps):   68793      20000
SNR margin (dB):           6.4      10.0
Power (dBm):               -8.3      -8.2
Interleave depth:          1347      1
INP:                       3.00      0
G.INP:                     Not enabled      Not enabled
Vectoring status:          5 (VECT_UNCONFIGURED)      

RSCorr/RS (%):             0.0016      0.3454
RSUnCorr/RS (%):           0.0000      0.0000
ES/hour:                   2.40      9.60

Any ideas/help/pointers would be gratefully received.

Thanks
Adam
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Zag

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Re: HG612 swap from DM200 - unable to get internet
« Reply #1 on: June 05, 2019, 10:36:27 AM »

Looks like I have fixed it.

For future reference, anyone setting up a PPPoE connection on an Edgerouter X keep VLAN off (mine was set to 101 as suggested by Zen within the edgerouter!)
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burakkucat

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Re: HG612 swap from DM200 - unable to get internet
« Reply #2 on: June 05, 2019, 09:32:47 PM »

Welcome to the Kitz forum.  :)

Yes, that is correct. The VLAN (tagged 101) end-point should be the HG612 and not the routing device.

It seems like the person at your ISP/CP, with whom you were communicating, does not know much about the products they supply. VCI/VPI and ATM for a VDSL2 (ITU-T G.993.2) based service? Huh? No.  :no:  It should, of course, be PTM.
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Zag

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Re: HG612 swap from DM200 - unable to get internet
« Reply #3 on: June 06, 2019, 10:44:15 AM »

I should have been a bit more clear, Zen mention VCI/VPI settings within their connection settings paperwork online and I found a user with a similar sounding issue had resolved this by entering this information so put 2 and 2 together and got 22 I guess!

All set up and working happily now, just got to wait on a DLM profile reset as I'm sure that my interleaving being over 1300 is a bit excessive. That said, so far Zen have been great to deal with, not that sky were bad for customer service in the 20 or so days I was with them, just had no end of issues with the connection (hence my high DLM).

Thanks for the welcome  :)
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j0hn

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Re: HG612 swap from DM200 - unable to get internet
« Reply #4 on: June 06, 2019, 12:43:31 PM »

You're on Low Interleaving, which is the default profile for your ECI cabinet.

The 1300 Interleaving is irrelevant and that fugue varies with the sync.
INP=3 shows show it's Low Interleaving and in the detailed stats there will be a delay of 8, adding 8ms.

Out of interest who said they are doing a DLM reset for you.
I was under the impression the remote DLM reset procedure was stopping.
My understanding is it would keep the line on Low Interleaving anyway.
« Last Edit: June 06, 2019, 12:46:02 PM by j0hn »
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Zag

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Re: HG612 swap from DM200 - unable to get internet
« Reply #5 on: June 06, 2019, 12:59:39 PM »

Hi j0hn,

Delay is set at 8, you're quite correct.

In terms of DLM reset, Zen have said they would attempt to reset the DLM profile for me. They suggested my line should be achieving the full 80/20 with a minimum expected of 77/18.

Prior to the 3 weeks or so I spent with Sky, I was achieving about 10 - 15Mbps faster speeds with latency around the 7 or 8ms range on BT, whereas since the sky switchover it went up to 25-30ms (when DLM kicked in) and has now settled around 20ms or so (I presume some of this difference is due to the Zen gateway location being further away from me than BT).

BT 72-75Mbps 8ms moved to Sky @62Mbps 25ms used early exit clause and moved to Zen @65 Mbps 22ms (these are speed test results from my PC).

The ECI cab is right outside my front door
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j0hn

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Re: HG612 swap from DM200 - unable to get internet
« Reply #6 on: June 06, 2019, 01:13:59 PM »

The default line profile for ECI cabinets changed a while back from fastpath to Low Interleaving.

Some engineer initiated DLM resets seem to get fastpath back but product changes, ISP migrations and remote DLM resets (which I thought had ended/coming to an end) will result in the line starting a fresh with Low Interleaving.

It used to be fastpath and if errors were high they applied interleaving.
Now it's Low Interleaving and if errors are low enough then fastpath is applied.

Can you post the output of the xdslcmd info --stats command?

If Zen can get a remote DLM reset that removes Low Interleaving then that's great news.
If they can't then you could try some self help by following this guide to removing Interleaving.

https://forum.kitz.co.uk/index.php/topic,16427.0.html
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Zag

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Re: HG612 swap from DM200 - unable to get internet
« Reply #7 on: June 06, 2019, 01:54:25 PM »

That's really useful information to know, hopefully it will have some sort of impact.

Here's the telnet stats information from DSLstats:

xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason:   0
Last initialization procedure status:   0
Max:   Upstream rate = 26709 Kbps, Downstream rate = 79960 Kbps
Bearer:   0, Upstream rate = 20000 Kbps, Downstream rate = 69335 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):    6.3       9.7
Attn(dB):    8.8       0.0
Pwr(dBm):   -8.6      -8.5
         VDSL2 framing
         Bearer 0
MSGc:      18      150
B:      51      236
M:      1      1
T:      64      5
R:      12      16
S:      0.0239      0.3771
L:      21456      5410
D:      1357      1
I:      64      255
N:      64      255
         Counters
         Bearer 0
OHF:      56837261      531749
OHFErr:      54      616
RS:      1665271628      908309
RSCorr:      3322123      592168
RSUnCorr:   2437      0

         Bearer 0
HEC:      470      0
OCD:      13      0
LCD:      13      0
Total Cells:   3028590939      0
Data Cells:   237901669      0
Drop Cells:   0
Bit Errors:   0      0

ES:      17      482
SES:      0      0
UAS:      27      27
AS:      87144

         Bearer 0
INP:      3.00      0.00
INPRein:   0.00      0.00
delay:      8      0
PER:      1.53      6.15
OR:      125.22      202.87
AgR:      69460.66   20203.27

Bitswap:   42084/42102      2922/2975

Total time = 1 days 12 min 51 sec
FEC:      3322123      592168
CRC:      54      616
ES:      17      482
SES:      0      0
UAS:      27      27
LOS:      0      0
LOF:      0      0
LOM:      0      0
Latest 15 minutes time = 12 min 51 sec
FEC:      366      5
CRC:      0      1
ES:      0      1
SES:      0      0
UAS:      0      0
LOS:      0      0
LOF:      0      0
LOM:      0      0
Previous 15 minutes time = 15 min 0 sec
FEC:      3390      54
CRC:      0      4
ES:      0      3
SES:      0      0
UAS:      0      0
LOS:      0      0
LOF:      0      0
LOM:      0      0
Latest 1 day time = 12 min 51 sec
FEC:      366      5
CRC:      0      1
ES:      0      1
SES:      0      0
UAS:      0      0
LOS:      0      0
LOF:      0      0
LOM:      0      0
Previous 1 day time = 24 hours 0 sec
FEC:      3321757      592163
CRC:      54      615
ES:      17      481
SES:      0      0
UAS:      27      27
LOS:      0      0
LOF:      0      0
LOM:      0      0
Since Link time = 1 days 12 min 23 sec
FEC:      3322123      592168
CRC:      54      616
ES:      17      482
SES:      0      0
UAS:      0      0
LOS:      0      0
LOF:      0      0
LOM:      0      0
#
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