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<p style="margin-top:0in;background:white"><span style="font-size:10.0pt;font-family:Prompt;color:#363636">Bird starts, and claims that it is waiting for the upstream routers to become neighbors…<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">2024-07-31 06:25:25.774 isp1: Initializing<br>
2024-07-31 06:25:25.774 isp2: Initializing<br>
2024-07-31 06:25:25.774 isp1: Starting<br>
2024-07-31 06:25:25.774 isp1: State changed to start<br>
2024-07-31 06:25:25.774 isp2: Starting<br>
2024-07-31 06:25:25.774 isp2: State changed to start<br>
2024-07-31 06:25:25.774 Started<br>
2024-07-31 06:25:25.775 isp2: Waiting for 4.4.92.131 to become my neighbor<br>
2024-07-31 06:25:25.775 isp1: Waiting for 4.4.92.130 to become my neighbor<o:p></o:p></span></p>
<p style="background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.0pt;font-family:Prompt;color:#363636">…however, I can see in tcpdump that bird is refusing BGP connections…<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">08:50:31.055601 IP 4.4.92.130.34302 > 4.4.92.140.179: Flags [S], seq 733565924, win 16384, options [mss 1424,wscale 0,nop,sackOK,eol], length 0<br>
08:50:31.056685 IP 4.4.92.140.179 > 4.4.92.130.34302: Flags [R.], seq 0, ack 733565925, win 0, length 0<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">…and that’s because bird is not listening…<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">[root@fw9b log]# netstat -ant<br>
Active Internet connections (servers and established)<br>
Proto Recv-Q Send-Q Local Address Foreign Address State<br>
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN<br>
tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN<br>
tcp 0 0 127.0.0.1:8953 0.0.0.0:* LISTEN<br>
tcp6 0 0 :::1013 :::* LISTEN<br>
tcp6 0 0 :::444 :::* LISTEN<br>
tcp6 0 0 :::81 :::* LISTEN<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">Bird is running...<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:Prompt;color:#363636">[root@fw9b log]# ps ax|grep bird<br>
20738 pts/0 S+ 0:00 grep bird<br>
29732 ? Ss 0:00 /usr/sbin/bird<o:p></o:p></span></p>
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<span style="font-family:"Calibri",sans-serif">Strace shows that it is not binding to the port.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal">I read a full thread about this exact symptom here: <a href="https://bird.network.cz/pipermail/bird-users/2020-September/014824.html">
https://bird.network.cz/pipermail/bird-users/2020-September/014824.html</a><br>
<br>
Unfortunately, I’m brand new to bird and I was unable to follow some of it. <o:p>
</o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Eric<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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