- Updates and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Operation Overview
- Configuring the Route to Peering Connection
- Creating and Deleting Peering Connection
- Viewing Relevant Routing Policies
- Viewing Monitoring Data of Network Traffic Over a Cross-region Peering Connection
- Configuring the Bandwidth Cap for a Cross-region Peering Connection
- Rejecting a Peering Connection
- Deleting a Peering Connection
- Viewing the Peer Account ID
- Enabling Cross-region Connectivity for Basic Networks
- API Documentation
- Best Practices
- FAQ
- Service Agreement
- Glossary
- Updates and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Operation Overview
- Configuring the Route to Peering Connection
- Creating and Deleting Peering Connection
- Viewing Relevant Routing Policies
- Viewing Monitoring Data of Network Traffic Over a Cross-region Peering Connection
- Configuring the Bandwidth Cap for a Cross-region Peering Connection
- Rejecting a Peering Connection
- Deleting a Peering Connection
- Viewing the Peer Account ID
- Enabling Cross-region Connectivity for Basic Networks
- API Documentation
- Best Practices
- FAQ
- Service Agreement
- Glossary
Connection limitations
Note the following when you use a peering connection:
To enable real communication between both ends of a peering connection, you must configure routing rules in the route tables of both the sending and receiving ends.
The fee for a cross-region peering connection is paid by the requester of the connection.
If the acceptor does not accept a peering connection request, the request will automatically expire after 7 days.
Do not accept peering connection requests from unknown accounts because they may pose risks to your network.
The VPC CIDR blocks on both ends of a peering connection cannot overlap. Otherwise, an error will occur when the connection is connected.
For a cross-region peering connection, the CIDR blocks of multiple peer networks of one VPC cannot overlap. Otherwise, an error will occur.
Either end of a peering connection can interrupt the connection. Then, traffic between the two VPCs is disconnected immediately.
There is no bandwidth cap for an intra-region peering connection, and a bandwidth cap must be set for a cross-region peering connection.
Resource limitations
Resource | Limitation | Description |
Bandwidth cap for a cross-region peering connection | 1 Gbps | The bandwidth cap for an intra-region peering connection is 5 Gbps.< |
Max number of peering connections supported by each VPC | 10 | - |
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