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# > Oggetto interfaccia host

I seguenti oggetti sono direttamente correlati all'API `hostinterface`.

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### Host interface

The host interface object has the following properties.

::: noteimportant
Note that both IP and DNS are required. If you do
not want to use DNS, set it to an empty string.
:::

|Property|[Type](/manual/api/reference_commentary#data_types)|Description|
|--------|---------------------------------------------------|-----------|
|available|integer|*(readonly)* Availability of host interface.<br><br>Possible values are:<br>0 - *(default)* unknown;<br>1 - available;<br>2 - unavailable.|
|details|array|Additional object for interface. **Required** if interface 'type' is SNMP.|
|disable\_until|timestamp|*(readonly)* The next polling time of an unavailable host interface.|
|**dns**<br>(required)|string|DNS name used by the interface.<br><br>Can be empty if the connection is made via IP.|
|error|string|*(readonly)* Error text if host interface is unavailable.|
|errors\_from|timestamp|*(readonly)* Time when host interface became unavailable.|
|**hostid**<br>(required)|string|ID of the host the interface belongs to.|
|interfaceid|string|*(readonly)* ID of the interface.|
|**ip**<br>(required)|string|IP address used by the interface.<br><br>Can be empty if the connection is made via DNS.|
|**main**<br>(required)|integer|Whether the interface is used as default on the host. Only one interface of some type can be set as default on a host.<br><br>Possible values are:<br>0 - not default;<br>1 - default.|
|**port**<br>(required)|string|Port number used by the interface. Can contain user macros.|
|**type**<br>(required)|integer|Interface type.<br><br>Possible values are:<br>1 - agent;<br>2 - SNMP;<br>3 - IPMI;<br>4 - JMX.<br>|
|**useip**<br>(required)|integer|Whether the connection should be made via IP.<br><br>Possible values are:<br>0 - connect using host DNS name;<br>1 - connect using host IP address for this host interface.|

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### Details tag

The details object has the following properties.

|Property|[Type](/manual/api/reference_commentary#data_types)|Description|
|--------|---------------------------------------------------|-----------|
|**version**<br>(required)|integer|SNMP interface version.<br><br>Possible values are:<br>1 - SNMPv1;<br>2 - SNMPv2c;<br>3 - SNMPv3|
|bulk|integer|Whether to use bulk SNMP requests.<br><br>Possible values are:<br>0 - don't use bulk requests;<br>1 - (default) - use bulk requests.|
|community|string|SNMP community (required). Used only by SNMPv1 and SNMPv2 interfaces.|
|securityname|string|SNMPv3 security name. Used only by SNMPv3 interfaces.|
|securitylevel|integer|SNMPv3 security level. Used only by SNMPv3 interfaces.<br><br>Possible values are:<br>0 - (default) - noAuthNoPriv;<br>1 - authNoPriv;<br>2 - authPriv.|
|authpassphrase|string|SNMPv3 authentication passphrase. Used only by SNMPv3 interfaces.|
|privpassphrase|string|SNMPv3 privacy passphrase. Used only by SNMPv3 interfaces.|
|authprotocol|integer|SNMPv3 authentication protocol. Used only by SNMPv3 interfaces.<br><br>Possible values are:<br>0 - (default) - MD5;<br>1 - SHA1;<br>2 - SHA224;<br>3 - SHA256;<br>4 - SHA384;<br>5 - SHA512.|
|privprotocol|integer|SNMPv3 privacy protocol. Used only by SNMPv3 interfaces.<br><br>Possible values are:<br>0 - (default) - DES;<br>1 - AES128;<br>2 - AES192;<br>3 - AES256;<br>4 - AES192C;<br>5 - AES256C.|
|contextname|string|SNMPv3 context name. Used only by SNMPv3 interfaces.|

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