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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