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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [systemd] ipv4 forwarding not configured - systemd-sysctl fails to configure from /etc/sysctl.d/*.conf"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=89491">89491</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[systemd] ipv4 forwarding not configured - systemd-sysctl fails to configure from /etc/sysctl.d/*.conf
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>systemd
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>general
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>systemd-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>james@nurealm.net
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>systemd-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>On Arch, systemd 218 or 219, and linux 3.19, ipv4 forwarding is not enabled,
despite specifying in /etc/sysctl.d/30-ipforward.conf:

net.ipv4.conf.all.forwarding=1
net.ipv4.conf.default.forwarding=1

Explicitly adding per interface forwarding also fails:

net.ipv4.conf.enp0s7.forwarding=1
net.ipv4.conf.enp4s0.forwarding=1

Forwarding can be enabled manually, with, for instance, "sysctl --system". 
ipv6 forwarding seems to be configured properly.</pre>
        </div>
      </p>
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