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Airtel V-Fiber (VDSL) - Link Drop & Other Issues [HELP]

Discussion in 'Airtel V-Fiber' started by Adidam, Feb 25, 2017.

  1. Abhi1136

    Abhi1136 Member
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    [​IMG] [​IMG] [​IMG] the airtel guy came and replaced the huawei 630 router with binatone dt 920w. speeds are fine but my mobile is not getting connected to wi fi?
     
    #341 Abhi1136, Sep 13, 2017
    Last edited: Sep 13, 2017
  2. Sushubh

    Sushubh Administrator
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    maybe he created a different wireless password on the new device?
     
  3. waterloo_sunset

    waterloo_sunset Active Member
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    My huawei was replaced with a binatone 920w as well but i noticed a peculiar problem with it. Even though the vdsl link itself was stable with no resyncs, after about a day or so of uptime there would be heavy packet loss and only a restart would fix it and the cycle would repeat itself. So, I got them to replace the binatone with a dlink DSL 224 and it worked well for 3-4 days but today after approx 2 days of uptime there was packet loss again (20-25%) and upon checking the DSL stats i noticed the CRC errors count rapidly increasing and as was the case with binatone, it became normal after a router reboot. I don't know what to make of it because i never faced this problem with the huawei .

    Code:
    DSL Line Status    SHOWTIME.
    DSL Mode    VDSL2-17A G.Vector FDPS AnnexB
    Channel Mode    FAST
    Up Stream    9997 kbps
    Down Stream    44994 kbps
    Attenuation Down Stream    23 dB
    Attenuation Up Stream    19 dB
    SNR Margin Down Stream    9.4 dB
    SNR Margin Up Stream    10.4 dB
    Vendor ID    RETK
    Firmware Version    v134fc14
    CRC Errors    4
    Up Stream BER    0e-7
    Down Stream BER    0e-7
    Up Output Power    6.5
    Down Output Power    13.5
    ES    4
    SES    0
    UAS    1212
    Up Stream FEC Errors    22
    Down Stream FEC Errors    0
    Up Stream HEC Errors    0
    Down Stream HEC Errors    0
     
  4. yougotmehere

    yougotmehere Member
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    @waterloo_sunset Your stats don't seem good for a stable VDSL connection. They are still good for an ADSL+ profile. As per the Airtel guy who came to Install, the min SNR in VDSL should be more than 12db for average to good connection and 15+ for excellent stability. However, on ADSL the SNR can go as low as 7db and still remain somewhat stable for 16mbps profile.
     
  5. yougotmehere

    yougotmehere Member
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    Below are my line stats and on 777VR i haven't had any problem till date.

    Dsl Line Status
    SHOWTIME.
    Dsl Mode VDSL2-17A G.Vector FDPS AnnexB
    Up Stream 9998 kbps
    Down Stream 45000 kbps
    Attenuation Down Stream 18
    Attenuation Up Stream 20
    SNR Margin Down Stream 14.2
    SNR Margin Up Stream 17.8
    Vendor ID Beetel
    Firmware Version v134fc14
    HEC Errors 0
    Loop Length 550
    Up Stream BER 0e-7
    Down Stream BER 0e-7
    Up Output Power 5
    Down Output Power 13.5
    Down Stream CRC 1
    Up Stream CRC 0
    Down Stream FEC 0
    Up Stream FEC 2
    Down Stream ES 1
    Up Stream ES 0
    Down Stream SES 0
    Up Stream SES 0
    Down Stream UAS 84
    Up Stream UAS 0
     
  6. tusharmegh

    tusharmegh New Member

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    Guys ,
    I am on 40 Mbps Connection (From Lucknow) and my speed keeps on Fluctuating during the day.Its only during the late night OR early morning I get 40+ Mbps speed..I have complained innumerable number of times.They have even changed my wires and got some sort of testing done but still no improvement.During the day speed keeps on fluctuating between 10-35 Mbps.It's very annoying.

    Can anything be done regarding this.

    Here are my stats:
    [​IMG]
     
    #346 tusharmegh, Sep 13, 2017
    Last edited: Sep 13, 2017
  7. waterloo_sunset

    waterloo_sunset Active Member
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    @yougotmehere I'm aware that the line stats are not ideal but the only thing that's changed is the router. The connection was trouble free for 9 months with the huawei.
     
  8. raj2007

    raj2007 Chennai
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    Facing random disconnections for the past 2 days and getting only 3 mbps downstream.
    No reply from Airtel yet after my complaint

    Source
     
  9. yougotmehere

    yougotmehere Member
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    Because Huawei has the best hardware chips among the three routers and it still can hold on steady till the last breath unlike others. I am not sure if those modems will ever come back as homemade (Binatone) routers are in circulation. Might wanna try bribing some service engineer to get you the Huawei one.
     
  10. yougotmehere

    yougotmehere Member
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    @raj2007 Check with your local service engineer as he can tell you in a sec. Usually they downscale the sync rates when their is some upgradation in the process or some kind of breakage or even a server glitch (My profile got corrupt at the server end and sync rates got randomly assigned)
     
    raj2007 likes this.