<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br><br>Sent from my iPhone</div><div><br>On Jul 7, 2016, at 01:27, Xinwei Hong <<a href="mailto:xhong@skytap.com">xhong@skytap.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><p class=""><span class="">Jul  6 22:06:15: "routed-vpn" #2: prepare-client output: creating vti interface</span></p>
<p class=""><span class="">002 "routed-vpn" #2: prepare-client output: creating vti interface</span></p>
<p class=""><span class="">Jul  6 22:06:15: "routed-vpn" #2: prepare-client output: Keys are not allowed with ipip and sit tunnels</span></p>
<p class=""></p></div></div></div></div></blockquote><div>I think your iproute package is too old and does not support VTI</div><div><br></div><div>Paul</div></body></html>