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

PPNSteve

• March 13, 2016 01:56

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)

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  dalem

  • March 14, 2016 02:46

  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

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  PPNSteve

  • March 14, 2016 04:28

  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

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  dalem

  • March 14, 2016 17:38

  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

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  PPNSteve

  • March 14, 2016 18:11

  what was the success message afterwards?

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  dalem

  • March 14, 2016 18:18

  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

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  PPNSteve

  • March 14, 2016 19:30

  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.

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  PPNSteve

  • March 14, 2016 20:08

  cPanel support ticket opened - Ticket ID: 7491717

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  cPanelMichael

  • March 21, 2016 15:37

  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.

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  PPNSteve

  • March 22, 2016 00:16

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

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