<p>Hi, I just set udp4_raw=0 on all 3 registrars and remove udpping_from_path from the settings, but the same behaviour persists.</p>
<p>registrar that processed the request (ping is successfull)</p>
<pre><code>U 2017/11/03 13:28:33.770754 10.7.0.190:5060 -> 10.7.0.186:5062

OPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.
Via: SIP/2.0/UDP 10.7.0.190:5060;branch=z9hG4bK2645058.
Route: <sip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808>.
From: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117.
To: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.
Call-ID: 538b85e1-b0cecc34-ba1f4f1@10.7.0.190.
CSeq: 1 OPTIONS.
Content-Length: 0.
.


U 2017/11/03 13:28:33.810519 10.7.0.186:5062 -> 10.7.0.190:5060

SIP/2.0 200 OK.
Via: SIP/2.0/UDP 10.7.0.190:5060;rport=5060;branch=z9hG4bK2645058.
Record-Route: <sip:194.213.29.33:5062;r2=on;lr;ftag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117>.
Record-Route: <sip:10.7.0.186:5062;r2=on;lr;ftag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117>.
Contact: <sip:192.168.1.64:39808>.
To: <sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP>;tag=134de75f.
From: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117.
Call-ID: 538b85e1-b0cecc34-ba1f4f1@10.7.0.190.
CSeq: 1 OPTIONS.
Accept: application/sdp, application/sdp.
Accept-Language: en.
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.
Supported: replaces, norefersub, extended-refer, timer, outbound, path, X-cisco-serviceuri.
User-Agent: Z 3.15.40006 rv2.8.20.
Allow-Events: presence, kpml, talk.
Content-Length: 0.
.
</code></pre>
<p>1st registrar replicated to (tries to ping, but wrong interface)</p>
<pre><code>U 2017/11/03 13:28:49.675297 10.6.0.189:5060 -> 10.7.0.186:5062

OPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.
Via: SIP/2.0/UDP 10.6.0.189:5060;branch=z9hG4bK2611596.
Route: <sip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808>.
From: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-d35cdfe1.
To: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.
Call-ID: dd9e8af5-a56efaa6-913d294@10.6.0.189.
CSeq: 1 OPTIONS.
Content-Length: 0.
.
</code></pre>
<p>2nd registrar replicated to (tries to ping, but wrong interface)</p>
<pre><code>U 2017/11/03 13:27:37.204775 10.6.0.191:5060 -> 10.7.0.186:5062

OPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.
Via: SIP/2.0/UDP 10.6.0.191:5060;branch=z9hG4bK4520144.
Route: <sip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808>.
From: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-1052c4a3.
To: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.
Call-ID: ca2e8ec2-db7eb9a-63a17d6@10.6.0.191.
CSeq: 1 OPTIONS.
Content-Length: 0.
.
</code></pre>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/1298#issuecomment-341703874">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AF36ZZTTTJ80ZMoW3q6B9Zdx8p53si_mks5syxXQgaJpZM4QPeY2">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AF36ZYWSKkD68HXjfoAfBalUh6-2S8T_ks5syxXQgaJpZM4QPeY2.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/kamailio/kamailio/issues/1298#issuecomment-341703874"></link>
  <meta itemprop="name" content="View Issue"></meta>
</div>
<meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>

<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/kamailio/kamailio","title":"kamailio/kamailio","subtitle":"GitHub repository","main_image_url":"https://cloud.githubusercontent.com/assets/143418/17495839/a5054eac-5d88-11e6-95fc-7290892c7bb5.png","avatar_image_url":"https://cloud.githubusercontent.com/assets/143418/15842166/7c72db34-2c0b-11e6-9aed-b52498112777.png","action":{"name":"Open in GitHub","url":"https://github.com/kamailio/kamailio"}},"updates":{"snippets":[{"icon":"PERSON","message":"@00Asgaroth00 in #1298: Hi, I just set udp4_raw=0 on all 3 registrars and remove udpping_from_path from the settings, but the same behaviour persists.\r\n\r\nregistrar that processed the request (ping is successfull)\r\n```\r\nU 2017/11/03 13:28:33.770754 10.7.0.190:5060 -\u003e 10.7.0.186:5062\r\n\r\nOPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.\r\nVia: SIP/2.0/UDP 10.7.0.190:5060;branch=z9hG4bK2645058.\r\nRoute: \u003csip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808\u003e.\r\nFrom: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117.\r\nTo: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.\r\nCall-ID: 538b85e1-b0cecc34-ba1f4f1@10.7.0.190.\r\nCSeq: 1 OPTIONS.\r\nContent-Length: 0.\r\n.\r\n\r\n\r\nU 2017/11/03 13:28:33.810519 10.7.0.186:5062 -\u003e 10.7.0.190:5060\r\n\r\nSIP/2.0 200 OK.\r\nVia: SIP/2.0/UDP 10.7.0.190:5060;rport=5060;branch=z9hG4bK2645058.\r\nRecord-Route: \u003csip:194.213.29.33:5062;r2=on;lr;ftag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117\u003e.\r\nRecord-Route: \u003csip:10.7.0.186:5062;r2=on;lr;ftag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117\u003e.\r\nContact: \u003csip:192.168.1.64:39808\u003e.\r\nTo: \u003csip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP\u003e;tag=134de75f.\r\nFrom: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-3f810117.\r\nCall-ID: 538b85e1-b0cecc34-ba1f4f1@10.7.0.190.\r\nCSeq: 1 OPTIONS.\r\nAccept: application/sdp, application/sdp.\r\nAccept-Language: en.\r\nAllow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE.\r\nSupported: replaces, norefersub, extended-refer, timer, outbound, path, X-cisco-serviceuri.\r\nUser-Agent: Z 3.15.40006 rv2.8.20.\r\nAllow-Events: presence, kpml, talk.\r\nContent-Length: 0.\r\n.\r\n```\r\n\r\n1st registrar replicated to (tries to ping, but wrong interface)\r\n```\r\nU 2017/11/03 13:28:49.675297 10.6.0.189:5060 -\u003e 10.7.0.186:5062\r\n\r\nOPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.\r\nVia: SIP/2.0/UDP 10.6.0.189:5060;branch=z9hG4bK2611596.\r\nRoute: \u003csip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808\u003e.\r\nFrom: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-d35cdfe1.\r\nTo: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.\r\nCall-ID: dd9e8af5-a56efaa6-913d294@10.6.0.189.\r\nCSeq: 1 OPTIONS.\r\nContent-Length: 0.\r\n.\r\n```\r\n\r\n2nd registrar replicated to (tries to ping, but wrong interface)\r\n```\r\nU 2017/11/03 13:27:37.204775 10.6.0.191:5060 -\u003e 10.7.0.186:5062\r\n\r\nOPTIONS sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP SIP/2.0.\r\nVia: SIP/2.0/UDP 10.6.0.191:5060;branch=z9hG4bK4520144.\r\nRoute: \u003csip:10.7.0.186:5062;lr;received=sip:212.2.172.228:39808\u003e.\r\nFrom: sip:keepalive@example.com;tag=uloc-2-59fc6eab-1ce0-1-9968b2da-1052c4a3.\r\nTo: sip:example_user@212.2.172.228:39808;rinstance=ee53f90ba8a5d171;transport=UDP.\r\nCall-ID: ca2e8ec2-db7eb9a-63a17d6@10.6.0.191.\r\nCSeq: 1 OPTIONS.\r\nContent-Length: 0.\r\n.\r\n```"}],"action":{"name":"View Issue","url":"https://github.com/kamailio/kamailio/issues/1298#issuecomment-341703874"}}}</script>