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Express Connect:ModifyRouterInterfaceAttribute

Last Updated:Aug 28, 2026

Modifies the configuration of a router interface.

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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 router interface.

Call the DescribeRegions operation to query the most recent region list.

cn-shanghai

RouterInterfaceId

string

Yes

The ID of the router interface.

ri-2zeo3xzyf38r4urz****

Name

string

No

The name of the router interface.

The name must be 2 to 128 characters in length, and can contain letters, digits, underscores (_), and hyphens (-). The name must start with a letter.

TEST

Description

string

No

The description of the router interface.

The value must be 2 to 256 characters in length. It must start with a letter but cannot start with http:// or https://.

路由器接口

OppositeInterfaceId

string

No

The ID of the peer router interface.

ri-2zeo3xzyf38r4urz****

OppositeRouterId

string

No

The ID of the peer router.

vrt-bp1jcg5cmxjbl9xgc****

OppositeRouterType

string

No

The type of router to which the peer router interface belongs. Valid values:

  • VRouter

  • VBR (default)

VBR

OppositeInterfaceOwnerId

integer

No

The ID of the Alibaba Cloud account to which the peer router interface belongs.

28768383240243****

HealthCheckSourceIp

string

No

The source IP address used for health checks. Must be an idle IP address of the local virtual private cloud (VPC).

Note

You can set this parameter when an Express Connect circuit is used.

116.62.XX.XX

HealthCheckTargetIp

string

No

The destination IP address used for health checks.

Note

This parameter is required when HealthCheckSourceIp is specified.

116.62.XX.XX

HcThreshold

integer

No

The healthy threshold. Unit: packets. Recommended value: 8. Specifies the number of probe packets sent during a health check.

8

HcRate

integer

No

The health check rate. Unit: milliseconds. Recommended value: 2000. Specifies the interval between probe packets during a health check.

For example, if HcThreshold is set to 8 and HcRate is set to 2000, probe packets are sent from HealthCheckSourceIp (source address) to HealthCheckTargetIp (destination address) every 2,000 seconds. If no response is returned for eight consecutive times, the health check fails.

2000

DeleteHealthCheckIp

boolean

No

Whether to delete the health check IP addresses configured on the router interface. Valid values:

  • true

  • false (default)

false

Response elements

Element

Type

Description

Example

object

The request ID.

RequestId

string

The request ID.

4EC47282-1B74-4534-BD0E-403F3EE64CAF

Examples

Success response

JSON format

{
  "RequestId": "4EC47282-1B74-4534-BD0E-403F3EE64CAF"
}

Error codes

HTTP status code

Error code

Error message

Description

400 Forbidden.FinancialLocked This RouterInterface is financiel locked because of bills outstanding.
400 InvalidName.Malformed The attribute name is illegal.
400 InvalidOppositeRouterType.ValueNotSupported The specified OppositeRouterType is not valid. The value of the OppositeRouterType parameter is invalid.
400 InvalidDescription.Malformed The Description is illegal.
400 Forbbiden The Router instance owner error
400 LinkRole.NotSupport This linkrole is not supported
400 Forbbiden.ModifyIdAndType Opposite is VBR, cannot modify the ID and type
400 InvalidParam.ModifyRouterInterface Modify routerinterface param invalid
400 INSTANCE_IN_PROCESSIONG Instance is in processing,please wait and try again
400 IllegalParam.HcThreshold %s
400 IllegalParam.HcRate %s
400 InvalidHealthCheckIP.Malformd Healthcheck sourceip or targetip is not valid.
400 IllegalParam.HcSourceIp The specified healthCheck Ip is not valid. The IP address used for health checks is invalid.
400 OperationFailed.OperationLocked Operation failed because OperationLocked. The operation failed because the instance is locked due to O&M.
400 IncorrectStatus.RouterInterface This openeration would not be allowed because status of this RouterInterface is not correct.
404 InvalidRegionId.NotFound The specified RegionId does not exist in our records.
404 InvalidRouterInterfaceId.NotFound The specified RouterInterfaceId does not exist in our records.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.