[Bug 850566] [NEW] does not configure ipv6 vlan interfaces due to autoconf sysctl failure

[mTim]

Public bug reported:

upon upgrade to 11.10 the ipv6 vlan interface is not configured correctly, leaves it in a half configured state.
ipv4 configured properly, but not ipv6

#/etc/network/interfaces

iface eth0.83 inet static
  address 192.168.83.2
  netmask 255.255.255.0

iface eth0.83 inet6 static
  autoconf 0
  address 2002:XXXX:XXXX:53:XXX:XXXX:XXXX:XXXX
  netmask 64

The failure is due to the sysctl calling net.ipv6.conf.eth0.83.autoconf = 0, which is incorrect since the dot is interpreted incorrectly, it should be
net.ipv6.conf.eth0/83.autoconf = 0

Fixed in 0.7~beta1

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

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https://bugs.launchpad.net/bugs/850566

Title:
  does not configure ipv6 vlan interfaces due to autoconf sysctl failure

Status in “ifupdown” package in Ubuntu:
  New

Bug description:
  upon upgrade to 11.10 the ipv6 vlan interface is not configured correctly, leaves it in a half configured state.
  ipv4 configured properly, but not ipv6

  #/etc/network/interfaces

  iface eth0.83 inet static
    address 192.168.83.2
    netmask 255.255.255.0

  iface eth0.83 inet6 static
    autoconf 0
    address 2002:XXXX:XXXX:53:XXX:XXXX:XXXX:XXXX
    netmask 64

  The failure is due to the sysctl calling net.ipv6.conf.eth0.83.autoconf = 0, which is incorrect since the dot is interpreted incorrectly, it should be
  net.ipv6.conf.eth0/83.autoconf = 0

  Fixed in 0.7~beta1

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