<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[How does beaconing work - "BeaconHosts"]]></title><description><![CDATA[<p dir="auto">Is there any documentation anywhere for the "BeaconHosts" functionality thats configurable in "Server Configuration"?</p>
<p dir="auto">Thanks!</p>
]]></description><link>https://forum.netxms.org/topic/3326/how-does-beaconing-work-beaconhosts</link><generator>RSS for Node</generator><lastBuildDate>Fri, 13 Nov 2026 06:23:06 GMT</lastBuildDate><atom:link href="https://forum.netxms.org/topic/3326.rss" rel="self" type="application/rss+xml"/><pubDate>Sat, 16 Aug 2014 15:49:08 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 27 Jun 2016 16:31:25 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/zev" aria-label="Profile: zev">@<bdi>zev</bdi></a> said in <a href="/post/20265">How does beaconing work - "BeaconHosts"</a>:</p>
<blockquote>
<p dir="auto">There was no changes connected with beacon between this versions.</p>
<p dir="auto">What is result of resolving DNS <a href="http://google.com" rel="nofollow ugc">google.com</a> from NetXMS server computer? Host may be not accepted if its IP is a wildcard address or a loopback address or a multicast address or a broadcast address or a link local address or if NetXMS server failed to resolve DNS.</p>
<p dir="auto">Events that are generated: SYS_NETWORK_CONN_LOST and SYS_NETWORK_CONN_RESTORED.</p>
</blockquote>
<pre><code>nslookup google.com
Server:         x.x.x.x
Address:        x.x.x.x#53

Non-authoritative answer:
Name:   google.com
Address: 212.1.249.39
Name:   google.com
Address: 212.1.249.34
Name:   google.com
Address: 212.1.249.30
Name:   google.com
Address: 212.1.249.40
Name:   google.com
Address: 212.1.249.54
Name:   google.com
Address: 212.1.249.29
Name:   google.com
Address: 212.1.249.35
Name:   google.com
Address: 212.1.249.20
Name:   google.com
Address: 212.1.249.25
Name:   google.com
Address: 212.1.249.59
Name:   google.com
Address: 212.1.249.50
Name:   google.com
Address: 212.1.249.55
Name:   google.com
Address: 212.1.249.44
Name:   google.com
Address: 212.1.249.49
Name:   google.com
Address: 212.1.249.24
Name:   google.com
Address: 212.1.249.45
</code></pre>
]]></description><link>https://forum.netxms.org/post/20274</link><guid isPermaLink="true">https://forum.netxms.org/post/20274</guid><dc:creator><![CDATA[hsvt]]></dc:creator><pubDate>Mon, 27 Jun 2016 16:31:25 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 27 Jun 2016 12:09:30 GMT]]></title><description><![CDATA[<p dir="auto">There was no changes connected with beacon between this versions.</p>
<p dir="auto">What is result of resolving DNS <a href="http://google.com" rel="nofollow ugc">google.com</a> from NetXMS server computer? Host may be not accepted if its IP is a wildcard address or a loopback address or a multicast address or a broadcast address or a link local address or if NetXMS server failed to resolve DNS.</p>
<p dir="auto">Events that are generated: SYS_NETWORK_CONN_LOST and SYS_NETWORK_CONN_RESTORED.</p>
]]></description><link>https://forum.netxms.org/post/20265</link><guid isPermaLink="true">https://forum.netxms.org/post/20265</guid><dc:creator><![CDATA[zev]]></dc:creator><pubDate>Mon, 27 Jun 2016 12:09:30 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 27 Jun 2016 11:14:54 GMT]]></title><description><![CDATA[<p dir="auto">I unfortunately can not be so.</p>
<p dir="auto"><a href="http://prntscr.com/blmr2t" rel="nofollow ugc">http://prntscr.com/blmr2t</a></p>
<p dir="auto">Maybe in the new version 2.1 will work.</p>
<p dir="auto">And what a special event should be generated when triggered?</p>
]]></description><link>https://forum.netxms.org/post/20264</link><guid isPermaLink="true">https://forum.netxms.org/post/20264</guid><dc:creator><![CDATA[hsvt]]></dc:creator><pubDate>Mon, 27 Jun 2016 11:14:54 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 27 Jun 2016 10:41:57 GMT]]></title><description><![CDATA[<p dir="auto">There is screenshot of NetXMS configuration and netxms log.</p>
<hr />
<p dir="auto"><img src="/assets/uploads/files/smf/0000000003051-Screenshot_from_2016-06-27_13-39-33.png" alt="Screenshot from 2016-06-27 13-39-33.png" class="img-markdown  img-fluid" width="1920" height="1080" /></p>
]]></description><link>https://forum.netxms.org/post/20263</link><guid isPermaLink="true">https://forum.netxms.org/post/20263</guid><dc:creator><![CDATA[zev]]></dc:creator><pubDate>Mon, 27 Jun 2016 10:41:57 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 27 Jun 2016 08:24:42 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/zev" aria-label="Profile: zev">@<bdi>zev</bdi></a> said in <a href="/post/20256">How does beaconing work - "BeaconHosts"</a>:</p>
<blockquote>
<p dir="auto">Everything works for me with latest server(from development branch):<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon host 195.13.231.157 added<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon host 8.8.8.8 added<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon poller thread started</p>
<p dir="auto">Host configuration: "<a href="http://google.com" rel="nofollow ugc">google.com</a>,8.8.8.8"</p>
<p dir="auto">What version do you use? May it happen that there were some DNS problems?</p>
</blockquote>
<p dir="auto">Can you send a screenshot of the example of his record?</p>
<p dir="auto">Last version 2.0.4, No, the DNS is all right, there are two servers.</p>
]]></description><link>https://forum.netxms.org/post/20258</link><guid isPermaLink="true">https://forum.netxms.org/post/20258</guid><dc:creator><![CDATA[hsvt]]></dc:creator><pubDate>Mon, 27 Jun 2016 08:24:42 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Sat, 25 Jun 2016 14:41:21 GMT]]></title><description><![CDATA[<p dir="auto">Everything works for me with latest server(from development branch):<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon host 195.13.231.157 added<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon host 8.8.8.8 added<br />
[25-Jun-2016 17:37:04.267] [DEBUG] Beacon poller thread started</p>
<p dir="auto">Host configuration: "<a href="http://google.com" rel="nofollow ugc">google.com</a>,8.8.8.8"</p>
<p dir="auto">What version do you use? May it happen that there were some DNS problems?</p>
]]></description><link>https://forum.netxms.org/post/20256</link><guid isPermaLink="true">https://forum.netxms.org/post/20256</guid><dc:creator><![CDATA[zev]]></dc:creator><pubDate>Sat, 25 Jun 2016 14:41:21 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Wed, 22 Jun 2016 23:05:24 GMT]]></title><description><![CDATA[<p dir="auto">Comma-separated list of hosts to be used as beacons for checking NetXMS server network connectivity. Either DNS names or IP addresses can be used. This list is pinged by NetXMS server and if none of the hosts have responded, server considers that connection with network is lost and generates specific event.</p>
<pre><code>[23-Jun-2016 02:02:32.492] [WARN ] Invalid beacon host name or address google.com - host will be excluded from beacon list
</code></pre>
<p dir="auto"><a href="http://google.com" rel="nofollow ugc">google.com</a>,8.8.8.8</p>
<p dir="auto">What's wrong ?</p>
]]></description><link>https://forum.netxms.org/post/20232</link><guid isPermaLink="true">https://forum.netxms.org/post/20232</guid><dc:creator><![CDATA[hsvt]]></dc:creator><pubDate>Wed, 22 Jun 2016 23:05:24 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Wed, 20 Aug 2014 17:33:11 GMT]]></title><description><![CDATA[<p dir="auto">Comma separated.</p>
<p dir="auto">Best regards,<br />
Victor</p>
]]></description><link>https://forum.netxms.org/post/14757</link><guid isPermaLink="true">https://forum.netxms.org/post/14757</guid><dc:creator><![CDATA[victor]]></dc:creator><pubDate>Wed, 20 Aug 2014 17:33:11 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Wed, 20 Aug 2014 16:37:49 GMT]]></title><description><![CDATA[<p dir="auto">One more quesion, what format to enter the hosts in?<br />
Comma separated, space separated?</p>
<p dir="auto">Thanks again!</p>
]]></description><link>https://forum.netxms.org/post/14754</link><guid isPermaLink="true">https://forum.netxms.org/post/14754</guid><dc:creator><![CDATA[tomaskir]]></dc:creator><pubDate>Wed, 20 Aug 2014 16:37:49 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 18 Aug 2014 16:56:51 GMT]]></title><description><![CDATA[<p dir="auto">Yes</p>
]]></description><link>https://forum.netxms.org/post/14714</link><guid isPermaLink="true">https://forum.netxms.org/post/14714</guid><dc:creator><![CDATA[zev]]></dc:creator><pubDate>Mon, 18 Aug 2014 16:56:51 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 18 Aug 2014 16:46:25 GMT]]></title><description><![CDATA[<p dir="auto">That is exactly what I wanted to know, thank you.</p>
<p dir="auto">Just for completeness:<br />
If none of the hosts on the list respond, network is considered down.<br />
If atleast one of the hosts on the list responds again, network is considered up.</p>
<p dir="auto">Is this correct?</p>
<p dir="auto">Thanks!</p>
]]></description><link>https://forum.netxms.org/post/14713</link><guid isPermaLink="true">https://forum.netxms.org/post/14713</guid><dc:creator><![CDATA[tomaskir]]></dc:creator><pubDate>Mon, 18 Aug 2014 16:46:25 GMT</pubDate></item><item><title><![CDATA[Reply to How does beaconing work - "BeaconHosts" on Mon, 18 Aug 2014 16:43:04 GMT]]></title><description><![CDATA[<p dir="auto">There is no documentation bout it.</p>
<p dir="auto">Short description:<br />
It is coma-separated list of hosts, that are pinged by NetXMS server and if none of the hosts have responded, server considers that connection with network is lost and generates specific event.</p>
]]></description><link>https://forum.netxms.org/post/14712</link><guid isPermaLink="true">https://forum.netxms.org/post/14712</guid><dc:creator><![CDATA[zev]]></dc:creator><pubDate>Mon, 18 Aug 2014 16:43:04 GMT</pubDate></item></channel></rss>