[Bug 1862481] Re: [docs] Cannot set accept-ra to 2, it keeps reseting it to 0

[Lukas Märdian]

This was reduced to an documentation issue, so I'm closing the packaging
bug, keeping the upstream bug.

** Summary changed:

- Cannot set accept-ra to 2, it keeps reseting it to 0
+ [docs] Cannot set accept-ra to 2, it keeps reseting it to 0

** Changed in: netplan
   Importance: Wishlist => Medium

** Changed in: netplan.io (Ubuntu)
       Status: Confirmed => Won't Fix

** Tags added: foundations-todo

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https://bugs.launchpad.net/bugs/1862481

Title:
  [docs] Cannot set accept-ra to 2, it keeps reseting it to 0

Status in Netplan:
  Triaged
Status in netplan.io package in Ubuntu:
  Won't Fix

Bug description:
  As netplan is not supporting ipv6-pd now, we have to rely on other
  dhcpv6 client like dibbler-client or wide-dhcpv6-client. In order for
  those tools to work, /proc/sys/net/ipv6/conf/wan/accept_ra need to be
  2. However, with setting like following:

  network:
    version: 2
    renderer: networkd
    ethernets:
      wan:
        dhcp4: true
        dhcp-identifier: mac
        link-local: [ ]

  /proc/sys/net/ipv6/conf/wan/accept_ra will always reset to 0.

  The "accept-ra" option doesn't help as it only accept yes/no.

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