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Sites Not opening on FTTH

  1. #1
    Junior Member
    Join Date
    Feb 2017
    Posts
    2

    Default Sites Not opening on FTTH

    Hi Guys,

    I recently took a new FTTH connection all of a sudden during the past 2 weeks certain sites have become inaccessible. I have played with DNS settings & MTU szie property on my TP-Link router. I have also approached the BSNL exchange (no use though).

    Scenario: I could access most of the sites like google.co.in, gmail.com,blogpost.com, and many more. But I found access issues to following sites like irctc.co.in,ymail.com(yahoomail),private netbanking sites, utility payment sitses,few forums..These are the sites which I have discovered so for.


    1)
    Preferred DNS server 8.8.8.8
    Alternate DNS server 8.8.4.4
    2)
    Preferred DNS server 208.67.222.222
    Alternate DNS server 208.67.220.220
    3)
    Preferred DNS server 218.248.240.208
    Alternate DNS server 218.248.240.135
    4)
    Preferred DNS server 218.248.241.2
    Alternate DNS server 218.248.240.209
    5)
    Preferred DNS server 218.248.255.212
    Alternate DNS server 218.248.241.2
    6)
    Preferred DNS server 218.248.245.3
    Alternate DNS server 218.248.245.9

    None of the above set of DNS entry worked when set on Router>DHCP

    I also tried doing the ping test to identify optimal MTU size with values rangin from 1400(MTU1428) to 1470(MTU1498), everytime i got the same message: Packet needs to be fragmented but DF set

    I have AONT 100C modem and TP-Link WR841N Wi-Fi router

    The issue still persists. Can anyone help on this regard. with details on what should be DNS values on PC/Lapop and on router, with MTU values.


    Thanks in advance

  2. #2
    Junior Member
    Join Date
    Feb 2017
    Posts
    2

    Default

    Quote Originally Posted by velviews View Post
    Hi Guys,

    I recently took a new FTTH connection all of a sudden during the past 2 weeks certain sites have become inaccessible. I have played with DNS settings & MTU szie property on my TP-Link router. I have also approached the BSNL exchange (no use though).

    Scenario: I could access most of the sites like google.co.in, gmail.com,blogpost.com, and many more. But I found access issues to following sites like irctc.co.in,ymail.com(yahoomail),private netbanking sites, utility payment sitses,few forums..These are the sites which I have discovered so for.


    1)
    Preferred DNS server 8.8.8.8
    Alternate DNS server 8.8.4.4
    2)
    Preferred DNS server 208.67.222.222
    Alternate DNS server 208.67.220.220
    3)
    Preferred DNS server 218.248.240.208
    Alternate DNS server 218.248.240.135
    4)
    Preferred DNS server 218.248.241.2
    Alternate DNS server 218.248.240.209
    5)
    Preferred DNS server 218.248.255.212
    Alternate DNS server 218.248.241.2
    6)
    Preferred DNS server 218.248.245.3
    Alternate DNS server 218.248.245.9

    None of the above set of DNS entry worked when set on Router>DHCP

    I also tried doing the ping test to identify optimal MTU size with values rangin from 1400(MTU1428) to 1470(MTU1498), everytime i got the same message: Packet needs to be fragmented but DF set

    I have AONT 100C modem and TP-Link WR841N Wi-Fi router

    The issue still persists. Can anyone help on this regard. with details on what should be DNS values on PC/Lapop and on router, with MTU values.


    Thanks in advance


    Hi all ...i tried connecting another neighbors laptop to my network and I could open the above list of sites without any issues...But unfortunately the issue is still present on mobiles at my home, my laptop. any help?

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