Zabbix Documentation 2.0

3.04.04.4 (current)| In development:5.0 (devel)| Unsupported:1.82.02.22.43.23.44.2Guidelines

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manual:discovery:network_discovery

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manual:discovery:network_discovery [2014/09/26 11:32]
sasha Links adapted because of a move operation
manual:discovery:network_discovery [2016/10/28 07:33] (current)
martins-v reverse lookup -> reverse dns lookup; if a host already exists with the discovered IP address, a new host is not created
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 Zabbix periodically scans the IP ranges defined in [[manual:​discovery:​network_discovery:​rule|network discovery rules]]. The frequency of the check is configurable for each rule individually. Zabbix periodically scans the IP ranges defined in [[manual:​discovery:​network_discovery:​rule|network discovery rules]]. The frequency of the check is configurable for each rule individually.
 +
 +Note that one discovery rule will always be processed by a single discoverer process. The IP range will not be split between multiple
 +discoverer processes. ​
  
 Each rule has a set of service checks defined to be performed for the IP range. ​ Each rule has a set of service checks defined to be performed for the IP range. ​
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 == Host creation == == Host creation ==
  
-If the //Add host// operation is chosen, a host will be addedIf any other operation that would result in action on that host (like linking template or adding to a group) ​is chosena host will be added even if the //Add host// operation is missing.+A host is added if the //Add host// operation is selectedhost is also added, even if the //Add host// operation is missing, if you select operations resulting in actions on a host. Such operations are: 
 + 
 +  * enable host 
 +  * disable host 
 +  * add host to a host group 
 +  * link template to a host 
 + 
 +When adding hosts, a host name is the result of reverse DNS lookup or IP address if reverse lookup fails. Lookup is performed from the Zabbix server or Zabbix proxy, depending on which is doing the discovery. If lookup fails on the proxy, it is not retried on the server. If the host with such a name already exists, the next host would get **_2** appended to the name, then **_3** and so on.
  
-When adding ​hosts, a host name is the result of reverse lookup or IP address if reverse lookup fails. Lookup is performed from the Zabbix server or Zabbix proxydepending on which is doing the discovery. If lookup fails on the proxyit is not retried on the server. If the host with such name already exists, the next host would get **_2** appended ​to the name, then **_3** and so on.+Created ​hosts are added to the //​Discovered hosts// group (by defaultconfigurable in //​Administration//​ -> //General// -> //​[[:​manual/​web_interface/​frontend_sections/​administration/​general#​other_parameters|Other]]//​). If you wish hosts to be added to another groupadd a //Remove from host groups// operation (specifying "​Discovered hosts"​) and also add an //Add to host groups// operation (specifying another host group), because ​a host must belong ​to a host group.
  
 +If a host already exists with the discovered IP address, a new host is not created. However, if the discovery action contains operations (link template, add to host group, etc), they are performed on the existing host.
 == Interface creation when adding hosts == == Interface creation when adding hosts ==