[Bug 1216586] [NEW] resolvconf uses only one ipv6 nameserver

[gsauthof]

Public bug reported:

I've specified two IPv6 nameserver addresses via /etc/network/interfaces
like this:

iface eth0 inet6 static
        ...
        dns-nameserver XXX YYY

iface eth0 inet6 static
        address ...
        netmask 64
        gateway ...
        dns-nameservers ...:23::2 ...:24::2

Doing a ifdown eth0 && ifup eth0 I get following /etc/resolv.conf:

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver XXX
nameserver YYY
nameserver ...:23::2

That means the 2nd ipv6 nameserver was not picked up.

1) Release:        10.04
2) package resolvconf 1.45ubuntu1
3) expected behaviour: the 2 via /etc/network/interfaces specified ipv6 nameservers in /etc/resolv.conf after ifdown/ifup
4) actual behaviour: only the first ipv6 nameserver address is written to /etc/resolv.conf

** Affects: ifupdown (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1216586

Title:
  resolvconf uses only one ipv6 nameserver

Status in “ifupdown” package in Ubuntu:
  New

Bug description:
  I've specified two IPv6 nameserver addresses via
  /etc/network/interfaces like this:

  iface eth0 inet6 static
          ...
          dns-nameserver XXX YYY

  iface eth0 inet6 static
          address ...
          netmask 64
          gateway ...
          dns-nameservers ...:23::2 ...:24::2

  Doing a ifdown eth0 && ifup eth0 I get following /etc/resolv.conf:

  # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
  #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
  nameserver XXX
  nameserver YYY
  nameserver ...:23::2

  That means the 2nd ipv6 nameserver was not picked up.

  1) Release:        10.04
  2) package resolvconf 1.45ubuntu1
  3) expected behaviour: the 2 via /etc/network/interfaces specified ipv6 nameservers in /etc/resolv.conf after ifdown/ifup
  4) actual behaviour: only the first ipv6 nameserver address is written to /etc/resolv.conf

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