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<p class="MsoPlainText"><span lang="EN-US">Dear bird gurus:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I’ve got Bird 1.5 compiled on an Arista 7150S24 multi-layer switch platform. I’m trying to inject a route learned by BGP into the kernel routing table and then into the switch FIB.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I’ve got the following export filter configured:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">protocol kernel {<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> persist; <o:p>
</o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> scan time 20; <o:p>
</o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> seconds<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> import none; <o:p>
</o:p></span></p>
<p class="MsoPlainText"><span lang="DE-CH"> export filter bgp_xxx_in; <o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">If I do an #ip route, I can see my entry into the switch routing table<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">xxx.xxx.xxx.0/22 via xxx.xxx.xxx.1 dev vlan201 proto bird<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">From the Arista Linux bash shell, this route is correctly used if I source a packet from here.<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">But this route is not installed into the switch FIB. It looks like Arista only inject routes that are tagged as “proto kernel” or “proto static” from the RIB to the FIB and this one is tagged “proto bird”.<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’ve seen some interesting options in the manual like “int krt_source” but it’s a read-only variable.<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">Is there another way to achieve that ?<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">Thanks for your help,<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">Romain<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" style="color:#1F497D;mso-fareast-language:FR">Romain Aviolat</span><span lang="EN-US" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:FR">Senior System Administrator<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:FR">R&D and Ops Infrastructure
</span><span lang="EN-US" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:FR">Kudelski Security - Kudelski Group</span><span lang="EN-US" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:FR">Rte de Genève 22-24,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:FR">1033 Cheseaux<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:FR">SWITZERLAND<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:FR">+41 21 732 03 79</span><span style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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