Updating a Router

Function

This API is used to update a router.

URI

PUT /v2.0/routers/{router_id}

Request Message

**Table 1** Request parameter
Parameter	Mandatory	Type	Description
router	Yes	Object	Specifies the router list. For details, see Table 2. You must specify at least one attribute when updating a router.

**Table 2** **router** objects
Attribute	Mandatory	Type	Description
name	No	String	Specifies the router name. Instructions: The name can contain only letters, digits, underscores (_), hyphens (-), and periods (.).
admin_state_up	No	Boolean	Specifies the administrative status. The value can only be true.
external_gateway_info	No	Object	Specifies the external gateway. This is an extended attribute. For details, see the external_gateway_info objects.
routes	No	Array of route objects	Specifies a route list. This is an extended attribute. For details, see Table 4.

**Table 3** **external_gateway_info** objects
Attribute	Mandatory	Type	Description
network_id	No	String	Specifies the UUID of the external network. You can use GET /v2.0/networks?router:external=True or run the neutron net-external-list command to query information about the external network.

**Table 4** **route** objects
Attribute	Mandatory	Type	Description
destination	No	String	Specifies the IP address range. Instructions: The prefix cannot be the same as that of a direct route.
nexthop	No	String	Specifies the next hop IP address. The IP address can only be one in the subnet associated with the router.

Response Message

**Table 5** Response parameter
Parameter	Type	Description
router	Object	Specifies the router list. For details, see Table 6.

**Table 6** **router** objects
Attribute	Type	Description
id	String	Specifies the router ID. This parameter is not mandatory when you query routers.
name	String	Specifies the router name. The name can contain only letters, digits, underscores (_), hyphens (-), and periods (.).
admin_state_up	Boolean	Specifies the administrative status. The value can only be true.
status	String	Specifies the router status. The value can be ACTIVE, DOWN, or ERROR.
tenant_id	String	Specifies the project ID.
external_gateway_info	Object	Specifies the external gateway. This is an extended attribute. For details, see the external_gateway_info objects.
routes	Array of route objects	Specifies a route list. This is an extended attribute. For details, see Table 8.
project_id	String	Specifies the project ID. For details about how to obtain a project ID, see Obtaining a Project ID.
created_at	String	Specifies the time (UTC) when the router is created. Format: yyyy-MM-ddTHH:mm:ss
updated_at	String	Specifies the time (UTC) when the router is updated. Format: yyyy-MM-ddTHH:mm:ss

**Table 7** **external_gateway_info** objects
Attribute	Type	Description
network_id	String	Specifies the UUID of the external network. You can use GET /v2.0/networks?router:external=True or run the neutron net-external-list command to query information about the external network.
enable_snat	Boolean	Specifies whether the SNAT function is enabled. The default value is false.

**Table 8** **route** objects
Attribute	Type	Description
destination	String	Specifies the IP address range.
nexthop	String	Specifies the next hop IP address. The IP address can only be one in the subnet associated with the router.

Example:

Example request

PUT https://{Endpoint}/v2.0/routers/f5dbdfe0-86f9-4b0a-9a32-6be143f0a076  
{
    "router": {
           "name": "router-220"
    }
}

Example response

{
    "router": {
        "id": "f5dbdfe0-86f9-4b0a-9a32-6be143f0a076",
        "name": "router-220",
        "status": "ACTIVE",
        "tenant_id": "bbfe8c41dd034a07bebd592bf03b4b0c",
        "project_id": "bbfe8c41dd034a07bebd592bf03b4b0c",
        "admin_state_up": true,
        "external_gateway_info": {
            "network_id": "0a2228f2-7f8a-45f1-8e09-9039e1d09975",
            "enable_snat": false
        },
        "routes": [],
        "created_at": "2018-09-20T02:06:07",
        "updated_at": "2018-09-20T02:06:09"
    }
}