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- What's New
- Service Overview
- Getting Started
- User Guide
- Best Practices
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FAQs
- What Switches Can Connect to Enterprise Switches?
- Why Is the Layer 2 Connection in the Not Connected State Even After Its Configuration Is Complete?
- Can Enterprise Switches Enable Communications Between Different Clouds?
- Why Is Communication Between the Cloud and On-premises Servers Unavailable Even When the Layer 2 Connection Status Is Connected?
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- General Reference
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What Is an Enterprise Switch?
Enterprise switches enable Layer 2 networking for VPCs, helping you to connect cloud and on-premises networks that are highly reliable, in a large scale, and of high performance.
Currently, enterprise switches only support Layer 2 connection gateways (L2CGs). An L2CG is a virtual tunnel gateway that can work with Direct Connect or VPN to establish network communications between cloud and on-premises networks at Layer 2. The gateway allows you to migrate workloads in data centers or private clouds to the cloud without changing subnets and IP addresses.
VPN or Direct Connect only allows cloud and on-premises networks to communicate at Layer 3 and the CIDR blocks of the networks that are used for communication cannot overlap.
If the cloud and on-premises networks overlap and need to communicate with each other, you can use an enterprise switch to enable communication between them at Layer 2.
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