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<p class="MsoNormal"><span lang="EN-US">Hello Libreswan-Users,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">i’m having trouble trying out vti-based tunnels.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m using libreswan-3.23-5.el7_5.x86_64 – (from the CentOS repos).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Connection is roughly this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Left = %defaultroute<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Leftsourcip, leftsubnet and rightsubnet are defined<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Vti-interface and mark are defined.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ipsec auto –add works, but<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ipsec auto –route fails:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">route-client output: /usr/libexec/ipsec/_updown.netkey: doroute "ip route replace (rightsubnet) via (defaultroute) dev (vti-interface) src (leftsourceip)" failed (RTNETLINK answers: Network is unreachable)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The script is trying to use the (real) interface’s default route as a routing target on the vti device – and fails.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could anyone point me where I’d have to look closer? Or is vti only supposed to work with left/rightsubnet set to 0.0.0.0?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Heiko<o:p></o:p></span></p>
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