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<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi again,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">If I use multihop (ie removing direct and gateway direct from config), it will
connect, but I get the imported routes with my internet gateway as router. <o:p>
</o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">XX.XX.XX.0/27 via 10.6.24.82 dev wwan0 proto bird<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">It should be
<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">XX.XX.XX.0/27 via 10.9.140.1 dev tap0 proto bird<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">It doesn’t matter if I specified the source address and local address, it seems
always to try to send the traffic over wwan0 (external wan connection)<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Med vänlig hälsning / Best regards<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Magnus Löfqvist<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959"><o:p> </o:p></span></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><b><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">VMI IT Services AB</span></b></span><span style="mso-bookmark:_MailEndCompose"><u><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959;mso-fareast-language:EN-US"><o:p></o:p></span></u></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><u><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Head office:</span></u></span><span style="mso-bookmark:_MailEndCompose"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">
</span></span><span style="mso-bookmark:_MailEndCompose"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Hantverksvägen 15</span></span><span style="mso-bookmark:_MailEndCompose"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">764 93 VÄDDÖ, SWEDEN
</span></span><span style="mso-bookmark:_MailEndCompose"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><u><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Visiting address:<o:p></o:p></span></u></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Lilla Torget 1A<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">761 30 NORRTÄLJE, SWEDEN</span></span><span style="mso-bookmark:_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Tel +46 176 20 89 00 (02)</span></span><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Fax +46 176 20 89 19</span></span><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959"><br>
E-mail: </span></span><span style="mso-bookmark:_MailEndCompose"></span><a href="mailto:ml@vmi.se"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#0563C1">ml@vmi.se</span></span><span style="mso-bookmark:_MailEndCompose"></span></a><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">
<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">*** VMI E-mail disclaimer ***<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959"><o:p> </o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">The information in this e-mail is confidential and may be legally privileged.<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">It is intended solely for the addressee. Access to this email by anyone else is unauthorized.<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">If you are not the intended recipient, any disclosure, copying, distribution or any action taken
<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">or omitted to be taken in reliance on it, is prohibited and may be unlawful. Any opinions or
<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">advice contained in this e-mail are subject to the terms and conditions expressed in the
<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><i><span lang="EN-US" style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#595959">VMI General terms and conditions.<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></span></p>
<span style="mso-bookmark:_MailEndCompose"></span>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Från:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> green@highloadlab.com [mailto:green@highloadlab.com]
<b>För </b>Alexander Zubkov<br>
<b>Skickat:</b> den 8 november 2017 11:52<br>
<b>Till:</b> Magnus Löfqvist <ml@vmi.se><br>
<b>Kopia:</b> bird-users@network.cz<br>
<b>Ämne:</b> Re: BGP with wrong netmask on wan interface<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">In that case it probably because you are using direct (not multihop) bgp session and bird binds to the interface which have this address in its direct network - wwan0. In that case only routes with dev wwan0 will be applied. I think you
want to use multihop bgp session. If you want to use direct session and this address is accepted directly via tap0, than I think specifying source address from tap0 in bgp session should work.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Nov 8, 2017 at 10:47 AM, Magnus Löfqvist <<a href="mailto:ml@vmi.se" target="_blank">ml@vmi.se</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="m_1797177521083608046__MailEndCompose"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi,</span></a><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Yes, you are correct.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">But we have routes for
<a href="http://10.9.140.0/22" target="_blank">10.9.140.0/22</a> (OpenVPN transport network)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">ip ro sh:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">default via 10.6.52.59 dev wwan0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://10.0.0.0/8" target="_blank">10.0.0.0/8</a> dev wwan0 proto kernel scope
link src 10.6.52.58</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://10.9.140.0/22" target="_blank">10.9.140.0/22</a> dev tap0 proto kernel
scope link src 10.9.140.33</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Bird:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">bird> show route</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://0.0.0.0/0" target="_blank">0.0.0.0/0</a> via 10.6.52.59 on wwan0
[kernel1 09:43:55] * (10)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://10.9.140.0/22" target="_blank">10.9.140.0/22</a> dev tap0 [direct1
09:44:12] * (240)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">So why are not BGP traffic to 10.9.140.1 going thru tap0 ?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Med vänlig hälsning / Best regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Magnus Löfqvist</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">VMI IT Services AB</span></b><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><u><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Head office:</span></u><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">Hantverksvägen 15</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#595959">764 93 VÄDDÖ, SWEDEN
</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Från:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<a href="mailto:green@highloadlab.com" target="_blank">green@highloadlab.com</a> [mailto:<a href="mailto:green@highloadlab.com" target="_blank">green@highloadlab.com</a>]
<b>För </b>Alexander Zubkov<br>
<b>Skickat:</b> den 8 november 2017 10:16<br>
<b>Till:</b> Magnus Löfqvist <<a href="mailto:ml@vmi.se" target="_blank">ml@vmi.se</a>><br>
<b>Kopia:</b> <a href="mailto:bird-users@network.cz" target="_blank">bird-users@network.cz</a><br>
<b>Ämne:</b> Re: BGP with wrong netmask on wan interface</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span lang="EN-GB">Hi,</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span lang="EN-GB">You have:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">WAN (Mobile): 10.6.90.187 / 255.0.0.0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">OpenVPN interface (tap0): 10.9.140.33 / 255.255.252.0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">protocol bgp BGP1 from RR_LTE { neighbor 10.9.140.1 as 1; preference 140;};</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">So you are trying to reach 10.9.140.1. If you have no additional routes, than this address falls into
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">10.6.90.187 / 255.0.0.0 network, i.e. WAN interface and will be routed there.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">On Wed, Nov 8, 2017 at 8:20 AM, Magnus Löfqvist <</span><a href="mailto:ml@vmi.se" target="_blank"><span lang="EN-GB">ml@vmi.se</span></a><span lang="EN-GB">>
wrote:</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">I have some mobile routers (connected over LTE) and with openvpn.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Over the openvpn we are running a BGP to allow distribute some routes and export routes.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Some of the routers are having wrong netmask (255.0.0.0 instead of 255.255.255.252).
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">This seems to work (ie internet are working, and the openvpn connection is established).</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">But when we are trying to get the BGP connection up, it tries to send the BGP connection over the WAN istead of openvpn connection.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">I guess that I have made some mistake in the config.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">It should take smaller path before matching the larger..</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">WAN (Mobile): 10.6.90.187 / 255.0.0.0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">OpenVPN interface (tap0): 10.9.140.33 / 255.255.252.0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Bird config:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">template bgp RR_LTE {</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> debug all; # debug BGP</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> description "BIRD RR";</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> local as 1; # the AS used by the local BGP speaker</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> direct;</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> gateway direct;</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> import filter import_ATM; # just accept everything</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> export filter export_ATM; # and advertise it to all the neigbors</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> connect retry time 10; # reconnect try after 10s</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> hold time 240; # hold time send in BGP messages</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">}</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">protocol bgp BGP1 from RR_LTE { neighbor 10.9.140.1 as 1; preference 140;};</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">root@client1:/etc# tcpdump -ni wwan0 tcp port 179 and host 10.9.140.1</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">tcpdump: verbose output suppressed, use -v or -vv for full protocol decode</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">listening on wwan0, link-type EN10MB (Ethernet), capture size 65535 bytes</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">15:29:08.755188 IP 10.6.90.187.34974 > 10.9.140.1.179: Flags [S], seq 1482209106, win 14600, options [mss 1460,sackOK,TS val 88007 ecr 0,nop,wscale 8], length
0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">15:29:11.762726 IP 10.6.90.187.45591 > 10.9.140.1.179: Flags [S], seq 1681977930, win 14600, options [mss 1460,sackOK,TS val 88307 ecr 0,nop,wscale 8], length
0</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt">Med vänlig hälsning / Best regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;color:#888888">Magnus Löfqvist</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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