VPC FAQ
- Common FAQ
- FAQ about secondary CIDR blocks
- Can an Elastic Compute Service (ECS) instance in the primary CIDR block of a VPC communicate with an ECS instance in the secondary CIDR block of the same VPC?
- Can I disable the communication between an ECS instance in the primary CIDR block of a VPC and an ECS instance in the secondary CIDR block of same the VPC?
- Does a Cloud Enterprise Network (CEN) instance automatically add a route for the secondary CIDR block after I add a secondary CIDR block to a VPC?
- Can an ECS instance in a classic network communicate with an ECS instance in the secondary CIDR block of a VPC if ClassicLink is enabled for the VPC?
- FAQ about user CIDR blocks
- FAQ about quotas
- FAQ about VPC communication
- Can ECS instances that belong to the same VPC but different vSwitches communicate with each other?
- Can different VPCs communicate with each other through private connections?
- Do VPCs support Express Connect circuits?
- Can a VPC access Internet services?
- Can I access cloud resources in a VPC over the Internet?
- Can a VPC communicate with a classic network?
HAVIP FAQ
- Do HAVIPs support broadcast and multicast communication?
- Which version of Keepalived is recommended?
- If I use third-party software such as Keepalived to implement high availability, how do I configure the source IP address for heartbeat detection?
- Can I use HAVIPs to implement high availability for user-created Linux virtual servers (LVS)?
- When an ECS instance that is associated with an HAVIP accesses the Internet, what is the source IP address of the data packets?