<div dir="ltr">Hi K.<div><br></div><div>I've already tried capturing tcpdump.</div><div>BIRD's BFD neighbor was captured sending packets, but the packets sent by BIRD were not captured.<br></div><div>In this state,
BIRD's BFD packets were captured after restarting BFD protocol.</div><div>The BFD packet
was captured
Only after restarting
the BFD protocol .<br></div><div>Is there an issue with BFD Protocol?</div><div>Please Check it.</div><div><br></div><div>Regards</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">2020년 7월 17일 (금) 오후 10:57, Kees Meijs | Nefos <<a href="mailto:kees@nefos.nl">kees@nefos.nl</a>>님이 작성:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Seunghwan,<br>
<br>
If you're sure no packets were dropped, it might make sense to use<br>
tcpdump(8) or alike to ensure the BFD packets are really there.<br>
<br>
Regards,<br>
Kees<br>
<br>
On 17-07-2020 04:16, seunghwan hwang wrote:<br>
> Thanks for checking in this issue.<br>
> But, I can't understand.<br>
> If it was because of the iptables, it would have been a problem for<br>
> BGP as well.<br>
> And I'm not using iptables rules, So Any packets weren't dropped.<br>
<br>
</blockquote></div>