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Private Link

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Usage Limits

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Last updated: 2024-10-24 14:38:21
Private Link establishes secure connections between endpoints and endpoint service on VPCs and other networks. The endpoint is created and maintained by the service consumer, and the endpoint service is created and maintained by the service provider. This document describes the usage limits on Private Link.

Endpoint services

Resource
Limits
Number of endpoint services per account
100
Number of endpoints per endpoint service
500
Supported backend resource types of endpoint services
Private layer-4 CLB; one endpoint service per CLB; multiple listeners supported
MySQL: One MySQL instance per endpoint service
Redis: One Redis instance per endpoint service
Traffic class
IPv4 traffic
Supported protocols
TCP and UDP

Endpoints

Resource
Limits
Number of endpoints per VPC
50
Number of endpoint services per endpoint
1
Traffic class
IPv4 traffic
Supported protocols
TCP and UDP

Security groups

Private Link relies on the underlying bidirectional NAT capability, which uses 11.163.0.0/16 as the SNAT address range. Allow this IP range in the security group associated with the backend service of the service provider to ensure normal access.
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