<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
I am correcting myself. I gave the wrong version on the previous email. <br>
<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
<span style="font-size: 12pt; margin: 0px; background-color: rgb(255, 255, 255);" class="ContentPasted0"><span class="ContentPasted0"> </span>On one side is BIRD<span class="ContentPasted0"> </span></span><span style="font-size: 14.67px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; background-color: rgb(255, 255, 255);" class="ContentPasted0">v2.0.11
and</span><font face="Calibri,Arial,Helvetica,sans-serif" style="font-size: 15px; background-color: rgb(255, 255, 255);"><span style="font-size:12pt;margin:0px" class="ContentPasted0"> on the other side is<span class="ContentPasted0"> </span></span></font><span style="font-size: 14.67px; font-family: Calibri, sans-serif; margin: 0px; background-color: white;" class="ContentPasted0">CISCO
ASR. <br>
</span><br>
BR,<br>
Sunnat</div>
<div id="appendonsend"></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Sunnat Samadov <sunnat.samadov@est.tech><br>
<b>Sent:</b> Monday, June 19, 2023 2:50 PM<br>
<b>To:</b> Ondrej Zajicek <santiago@crfreenet.org><br>
<b>Cc:</b> bird-users@network.cz <bird-users@network.cz><br>
<b>Subject:</b> Re: AdminDown is tearing down BGP session</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hi.<br>
<br>
</div>
<div class="x_elementToProof" style="color:rgb(0,0,0)"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt">Thank you for your reply. On one side is BIRD
</span><span style="font-size:14.6667px">v2.0.12 and</span><font face="Calibri, Arial, Helvetica, sans-serif"><span style="font-size:12pt"> on the other side is
</span></font><span class="x_ContentPasted0" style="font-family:Calibri,sans-serif; font-size:14.6667px; display:inline!important; background-color:rgb(255,255,255)">CISCO ASR. </span></div>
<div class="x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span class="x_ContentPasted0" style="font-family:Calibri,sans-serif; font-size:14.6667px; display:inline!important; background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span class="x_ContentPasted0" style="font-family:Calibri,sans-serif; font-size:14.6667px; display:inline!important; background-color:rgb(255,255,255)">Best regards,
<div>Sunnat</div>
</span></div>
<div class="x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span class="x_ContentPasted0" style="font-family:Calibri,sans-serif; font-size:14.6667px; display:inline!important; background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span class="x_ContentPasted0" style="font-family:Calibri,sans-serif; font-size:14.6667px; display:inline!important; background-color:rgb(255,255,255)"><br>
</span></div>
<div id="x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Ondrej Zajicek <santiago@crfreenet.org><br>
<b>Sent:</b> Tuesday, June 13, 2023 5:09 PM<br>
<b>To:</b> Sunnat Samadov <sunnat.samadov@est.tech><br>
<b>Cc:</b> bird-users@network.cz <bird-users@network.cz><br>
<b>Subject:</b> Re: AdminDown is tearing down BGP session</font>
<div> </div>
</div>
<div class="x_BodyFragment"><font size="2"><span style="font-size:11pt">
<div class="x_PlainText">On Sun, Jun 04, 2023 at 06:06:22PM +0000, Sunnat Samadov wrote:<br>
> Dear Birds,<br>
> <br>
> I am reaching out to seek assistance and guidance from the community regarding an issue we are facing with BIRD, specifically version 2.0.11, which we have been using in our network configuration.<br>
> <br>
> Our setup involves configuring BIRD with BGP+BFD, where BIRD initiates the BGP session establishment. However, we have observed an unexpected behavior: after the BIRD daemon successfully establishes the BGP connection, router sends a BFD Admin-down message
and requests a new BFD session. This action by router leads to BIRD transitioning to a BFD down state and tearing down the previously established BGP session.<br>
<br>
Hi<br>
<br>
Sorry for late reaction. That is BIRD 2.0.11 on both sides?<br>
<br>
-- <br>
Elen sila lumenn' omentielvo<br>
<br>
Ondrej 'Santiago' Zajicek (email: santiago@crfreenet.org)<br>
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)<br>
"To err is human -- to blame it on a computer is even more so."<br>
</div>
</span></font></div>
</div>
</body>
</html>