Last updated: 2021-04-12 11:42:01

1. API Description

Domain name for API request:

This API (ModifyTCPListenerAttribute) is used to modify the TCP listener configuration of a connection instance, including health check configuration and scheduling policies.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: ModifyTCPListenerAttribute.
Version Yes String Common parameter. The value used for this API: 2018-05-29.
Region No String Common parameter. This parameter is not required for this API.
ListenerId Yes String Listener ID
GroupId No String Connection group ID; Either ProxyId or GroupId must be set, but you cannot set both.
ProxyId No String Connection ID; Either ProxyId or GroupId must be set, but you cannot set both.
ListenerName No String Listener name
Scheduler No String Origin server scheduling policy of listeners, which supports round robin (rr), weighted round robin (wrr), and least connections (lc).
DelayLoop No Integer Time interval of origin server health check (unit: seconds). Value range: [5, 300].
ConnectTimeout No Integer Response timeout of origin server health check (unit: seconds). Value range: [2, 60]. The timeout value shall be less than the time interval for health check DelayLoop.
HealthCheck No Integer Whether to enable health check. 1: enable; 0: disable.
FailoverSwitch No Integer Whether to enable the primary/secondary origin server mode. Valid values: 1 (enable) and 0 (disable). It cannot be enabled for domain name origin servers.

3. Output Parameters

Parameter Name Type Description
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Modifying TCP listener configuration

This example shows you how to modify the TCP listener configuration.

Input Example
&<Common request parameters>

Output Example

  "Response": {
    "RequestId": "3919ba30-85c4-4cb4-81bf-ff243b50f3dc"

5. Developer Resources


TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation Operation failed.
FailedOperation.GroupStatusNotInRuning Unable to operate: the connection group is not running.
FailedOperation.InstanceStatusNotInRuning Unable to operate: the connection is not running.
FailedOperation.ListenerHasTask The listener is in operation. Do not repeat the operation.
FailedOperation.ListenerStatusError The listener does not support this operation in current status.
InternalError Internal error.
InvalidParameter Incorrect parameter.
InvalidParameterValue Incorrect parameter value.
MissingParameter Missing parameter.
ResourceNotFound The resource does not exist.
UnauthorizedOperation Unauthorized operation.

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