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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Find my comments in red.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Janvier R.<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Bird-users [mailto:bird-users-bounces@network.cz] <b>On Behalf Of </b>Jonathan Stewart<br><b>Sent:</b> Thursday, August 3, 2017 4:06 PM<br><b>To:</b> Ajai Kumar <joinajay1@gmail.com><br><b>Cc:</b> bird <bird-users@network.cz><br><b>Subject:</b> Re: Hold time expired error<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>If you cannot ping across your IX, you need to look lower than BIRD to figure out the problem.<o:p></o:p></p><div><p class=MsoNormal><span style='color:red'>I can ping the IP through IX </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>I would try to answer questions like: Is ARP resolving IPs to MACs? <span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:red'>Yes ARP is resolving IPs to MACS<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>Is the problem isolated to a single BIRD server only? <span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:red'>Yes the problem occurs now on new one I am installing, the other BIRD installed later are working properly <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>Is it only IPv4 problem only,<span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:red'>Yes it is an IPv4 problem, <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal> or IPv6 as well?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you can answer some of these questions, you'll get closer to finding the root cause, I expect.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal>Jonathan<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Aug 3, 2017 at 2:25 AM, Ajai Kumar <<a href="mailto:joinajay1@gmail.com" target="_blank">joinajay1@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span class=m2530769726033690037gmail-5yl5>Dear All,</span><o:p></o:p></p></div><p class=MsoNormal><span class=m2530769726033690037gmail-5yl5>We are facing problem with few peers in our IX. Frequently they get Hold Timer Expired Error and they are not able to ping our route server IP. After shut no shut this problem resolves for sometime. One log message appended </span><o:p></o:p></p><div><div><p class=MsoNormal><br><span class=m2530769726033690037gmail-5yl5>bgp_hold_timeout:4690: NOTIFICATION sent to X.X.X.X (External AS 132953): code 4 (Hold Timer Expired Error), Reason: holdtime expired for X.X.X.X (External AS 132953), socket buffer sndcc: 57 rcvcc: 0 TCP state: 4, snd_una: 728368567 snd_nxt: 728368624 snd_wnd: 15744 rcv_nxt: 429172199 rcv_adv: 429188583, hold timer out 90s, hold timer remain 0s</span><br clear=all><o:p></o:p></p></div><div><p class=MsoNormal>Requesting for help pls.<o:p></o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal>Ajai Kumar <o:p></o:p></p></div><div><p class=MsoNormal><span style='color:#888888'>-- <o:p></o:p></span></p><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='color:#888888'><br>(M) <a href="tel:+91%2098684%2077444" target="_blank">+91-9868477444</a><br>Skype ID:erajay<br>P-mail: joinajay1 at <a href="http://gmail.com" target="_blank">gmail.com</a><br>.................................<br>Please don't print this email unless you really need to. This will preserve trees on our planet.<o:p></o:p></span></p></div></div></div></div></div></div></div></div></div></div></div></blockquote></div><p class=MsoNormal><br><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><p class=MsoNormal> Jonathan<o:p></o:p></p></div></div></div></body></html>