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Express Connect:DisassociateMacSecKey

Last Updated:Jun 19, 2026

Dissociates a MACsec key from a dedicated Express Connect circuit port.

Operation description

  • If you dissociate a key that is in the Associated state, the most recently activated key is automatically associated.

  • If you dissociate a key that is in the Disassociated state, the key is deleted.

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Test

RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

RegionId

string

Yes

The region ID of the Express Connect circuit.

You can call the DescribeRegions operation to query region IDs.

cn-hangzhou

PhysicalConnectionId

string

Yes

The ID of the Express Connect circuit.

pc-bp1hp0wr072f6****

Ckn

string

Yes

The key name. Only hexadecimal characters are supported. Lowercase characters are automatically converted to uppercase. When the encryption algorithm type is GCM-AES-128 or GCM-AES-XPN-128, the length must be 32 hexadecimal characters. When the encryption algorithm type is GCM-AES-256 or GCM-AES-XPN-256, the length must be 64 hexadecimal characters.

0123456789ABCDEF0123456789ABCDEF

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

D32B3C26-6C6C-4988-93E9-D2A6444CE6AE

Examples

Success response

JSON format

{
  "RequestId": "D32B3C26-6C6C-4988-93E9-D2A6444CE6AE"
}

Error codes

HTTP status code

Error code

Error message

Description

400 IllegalParam.%s The param of %s is illegal. The parameter is invalid.
400 ResourceNotFound.PhysicalConnectionId The specified resource of [%s] is not found. The Express Connect circuit does not exist.
400 IncorrectStatus.PhysicalConnection The status of %s [%s] is incorrect. The status of the physical connection does not support this operation.
400 IncorrectStatus.PconnMacsec The status of %s [%s] is incorrect. The operation is not allowed because the MACSec key is in an unstable state.
400 ResourceNotFound.PconnMacsec The specified resource of %s is not found. The Ckn to be disassociated does not exist.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.