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Why can't I configure the server's shared IPv6 address?

Discussion in 'General Discussion' started by PPNSteve, Mar 13, 2016.

  1. PPNSteve

    PPNSteve Well-Known Member

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    So finally got IPv6 up and working on one of our servers and went to set the main shared IPv6 IP and I enter it (tried both long and short forms) in the proper text box and hit save.. nothing happens. no confirmation, its not saved in the text box, and no matter how many times I enter it. it just doesn't work.

    It's step #5 on this guide: Guide to IPv6 - How to Get Started With IPv6 - Documentation - cPanel Documentation

    So what gives?

    What can I do / How do I fix this?

    CENTOS 6.7 x86_64 standard
    WHM 54.0 (build 19)
     
  2. dalem

    dalem Well-Known Member
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    do you nad an IP IPv6 on the server ??
    "You must enter a valid IPv6 address that you have bound to this server."

    #ip -6 addr show scope global
    # ping6 ipv6.google.com


    if not you need to add at least one first
    either manually or via ipv6 ranges
     
  3. PPNSteve

    PPNSteve Well-Known Member

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    All the 'other' IPv6 things work, and sites respond to their assigned IPv6 IPs.. the only thing I can't do is set the main shared IPv6 IP.. hence the thread.

    IPv6 pings in and out just fine. and I have a global /64 range bound to the server.

    inet6 2607:f0d0:1103:83::/64 scope global
    valid_lft forever preferred_lft forever

    # ping6 ipv6.google.com
    PING ipv6.google.com(lga25s40-in-x0e.1e100.net) 56 data bytes
    64 bytes from lga25s40-in-x0e.1e100.net: icmp_seq=1 ttl=55 time=40.8 ms
    64 bytes from lga25s40-in-x0e.1e100.net: icmp_seq=2 ttl=55 time=40.9 ms
    64 bytes from lga25s40-in-x0e.1e100.net: icmp_seq=3 ttl=55 time=40.9 ms
    64 bytes from lga25s40-in-x0e.1e100.net: icmp_seq=4 ttl=55 time=40.8 ms
    ^C
    --- ipv6.google.com ping statistics ---
    4 packets transmitted, 4 received, 0% packet loss, time 3377ms
    rtt min/avg/max/mdev = 40.885/40.900/40.922/0.248 ms
     
  4. dalem

    dalem Well-Known Member
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    I have not tried the new tried IPV6 shared ip feature since its relatively new
    Tested it on one of own servers works without issue.

    time to open a ticket with cpanel
     
  5. PPNSteve

    PPNSteve Well-Known Member

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    what was the success message afterwards?
     
  6. dalem

    dalem Well-Known Member
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    Modifying “Shared Virtual Host IPv6 Address” from “” to “IPV6 IP”.


    This system has X free IPs.

    The config file, /etc/named.conf, already has support for IPv6.


    A non IPVP6 Enabled server

    This system has X free IPs. ( and of course no saving of the ipv6 address)

    Looks like cpanel is not detecting that you have IPV6 installed
     
  7. PPNSteve

    PPNSteve Well-Known Member

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    all I get is:
    Basic cPanel & WHM Setup

    This system has 2 free IPs.


    edit: going to check with our DC support first as they are "suppose to" support cPanel.. before opening a ticket with cPanel.
     
    #7 PPNSteve, Mar 14, 2016
    Last edited: Mar 14, 2016
  8. PPNSteve

    PPNSteve Well-Known Member

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    cPanel support ticket opened - Ticket ID: 7491717
     
  9. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello :)

    To update, internal case CPANEL-4779 is open to address an issue where trying to add IPv6 address pools within the same subnet as the IPv6 configured shared address fails with a message suggesting and invalid IPv6 range. You can monitor our change logs to see when this case has been addressed:

    Change Logs - Documentation - cPanel Documentation

    Thank you.
     
  10. PPNSteve

    PPNSteve Well-Known Member

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    Thanks guys..
    Nice to know you're addressing issues with this and hope others can benefit from it.
     
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