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Author Topic: G.INP just enabled after 3 months of monitoring  (Read 380 times)


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G.INP just enabled after 3 months of monitoring
« on: March 15, 2017, 10:17:28 AM »

So I started monitoring my line after I found this forum in December (thread here:,19024.0.html)

Short story is that I had been on a Huawei cab with fastpath or maybe G.INP (sub 10ms pings to bbc) until I removed some internal wiring probably causing a few disconnections and maybe some temporary noise on the line and got interleaved (no G.INP for sure since December - 15ms pings to bbc).

To try to get my error seconds down I capped my download and upload so I was around 9db on dl and 15db on ul. This continued to see me have 100 - 150 ES per day on both ul and dl over the last three months so no change to status. Over that time I have resynced a handful of times. Yesterday there was a resync and instead of coming back at around 30mb/s dl it synced at 24mb/s which I would guess was down to whatever caused the disconnect still causing a problem (I suspect work by BT causing problems but who knows). I was trying to download a large file at the time so I thought screw it I am going to remove the caps as I could get an additional 10mb/s. So I rebooted the router (couldn't be bothered to do the 30 minute wait to prevent DLM caring) and I resynced with an expected rate, way above the 24 I was on. Since that resync I got the same 100 - 150 ES per day. Today a few minutes ago I lost internet and to my shock on checking the status I now have G.INP enabled, 9-10ms pings to bbc and the highest ul sync I have ever seen on the line, dl is slightly below average at 32 but I'll take that for now.

So I am just posting to record the event really, no idea why G.INP kicked in, whether it for some reason has been disabled on the cab until now or whether having a capped line for a period of time and suddenly uncapping it fooled DLM into trying it (seems a big coincidence if this had no impact), I don't know, theories welcome.


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Re: G.INP just enabled after 3 months of monitoring
« Reply #1 on: March 15, 2017, 06:38:02 PM »

Interesting story.  :)

I won't attempt to guess what has happened. If you have been uploading the statistics to MDWS, then perhaps someone with an "analytical eye" may spot something.
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

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Re: G.INP just enabled after 3 months of monitoring
« Reply #2 on: March 29, 2017, 10:06:27 PM »

Continuing the record of changes, at 3:52am my line re-synced and my ul had INP and interleaving removed (this is almost exactly 14 days after G.INP being enabled). UL sync went from 8261kbps to 7381kbps, errors on UL have increased from very few to roughly 8 on average per hour. DL hasn't changed at all, is still at 10.4 SNRM and 32400kbps, INT 16, INP 45. Pings to bbc at 10pm are now 8ms.
« Last Edit: March 29, 2017, 10:08:33 PM by myriad »


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Re: G.INP just enabled after 3 months of monitoring
« Reply #3 on: March 29, 2017, 11:09:02 PM »

8 ms pings with G.INP you must be in Gamers heaven the lowest ping ms i'll get get is 28ms with G.INP of course I'm such a long way from the central server 400 miles or so could be even longer as I don't know the the full path of the cable.

There is not much to go on as you only started to upload stats to MDWS from the 24th of March so we'll take your word for it as we can't see what happened in those previous 2 months


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Re: G.INP just enabled after 3 months of monitoring
« Reply #4 on: Today at 02:27:48 AM »

He probably started uploading much earlier but if you haven't donated it only stores 5 days.
BT FTTC 55/10 ECI Huawei Cab - Zyxel VMG8924 bridge mode + Asus RT-AC68U - minted on MDWS via DslStats