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# hostinterface.replacehostinterfaces

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### Description

`object hostinterface.replacehostinterfaces(object parameters)`

This method allows to replace all host interfaces on a given host.

::: noteclassic
This method is only available to *Admin* and *Super admin*
user types. Permissions to call the method can be revoked in user role
settings. See [User
roles](/manual/web_interface/frontend_sections/administration/user_roles)
for more information.
:::

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### Parameters

`(object)` Parameters containing the ID of the host to be updated and
the new host interfaces.

|Parameter|[Type](/manual/api/reference_commentary#data_types)|Description|
|--|--|------|
|**hostid**<br>(required)|string|ID of the host to be updated.|
|**interfaces**<br>(required)|object/array|[Host interfaces](/manual/api/reference/hostinterface/object) to replace the current host interfaces with.|

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### Return values

`(object)` Returns an object containing the IDs of the created host
interfaces under the `interfaceids` property.

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### Examples

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#### Replacing host interfaces

Replace all host interfaces with a single agent interface.

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "hostinterface.replacehostinterfaces",
    "params": {
        "hostid": "30052",
        "interfaces": {
            "dns": "",
            "ip": "127.0.0.1",
            "main": 1,
            "port": "10050",
            "type": 1,
            "useip": 1
        }
    },
    "auth": "038e1d7b1735c6a5436ee9eae095879e",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "interfaceids": [
            "30081"
        ]
    },
    "id": 1
}
```

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### See also

-   [host.update](/manual/api/reference/host/update)
-   [host.massupdate](/manual/api/reference/host/massupdate)

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### Source

CHostInterface::replaceHostInterfaces() in
*ui/include/classes/api/services/CHostInterface.php*.

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