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Copy file name to clipboardExpand all lines: src/content/docs/magic-transit/get-started.mdx
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@@ -112,7 +112,7 @@ You must [put the appropriate MSS clamps](#set-maximum-segment-size) in place be
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Also, when using [Cloudflare Network Interconnect](/magic-transit/network-interconnect/) with Magic Transit you must set the following MSS clamp sizes to accommodate additional overhead:
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- GRE tunnels over Classic CNI: 1476 bytes
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-Express CNI / Classic CNI with a maximum transmission unit (MTU) size of 1500 bytes handoff does not require an MSS clamp.
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-Direct CNI / Classic CNI with a maximum transmission unit (MTU) size of 1500 bytes handoff does not require an MSS clamp.
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MSS clamps are used to backhaul data from the data center where traffic is ingested (close to the end user) to the facility with the CNI link.
Copy file name to clipboardExpand all lines: src/content/docs/magic-transit/network-interconnect.mdx
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head:
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- tag: title
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content: Network Interconnect and Magic Transit
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---
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import { GlossaryTooltip } from"~/components"
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import { GlossaryTooltip } from"~/components";
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Cloudflare Network Interconnect (CNI) allows you to connect your network infrastructure directly with Cloudflare – rather than using the public Internet – for a more reliable and secure experience. With CNI, you can bring Cloudflare’s full suite of network functions to your physical network edge.
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When working with Magic Transit and CNI, there are a few guidelines you should follow.
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### Express CNI
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### Direct CNI
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With [Express CNI](/network-interconnect/express-cni/) you can use the Cloudflare dashboard to provision a connection to Cloudflare in three minutes or less. This type of connection supports IP packets with 1,500 bytes, both for ingress and egress traffic.
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With [Direct CNI](/network-interconnect/express-cni/) you can use the Cloudflare dashboard to provision a connection to Cloudflare in three minutes or less. This type of connection supports IP packets with 1,500 bytes, both for ingress and egress traffic.
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For the time being, Express CNI does not support BGP. If your use case calls for BGP anycast prefix withdrawal or BGP based connection failover, you need to use [Classic CNI](/network-interconnect/classic-cni/) with a Magic Transit GRE tunnel.
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For the time being, Direct CNI does not support BGP. If your use case calls for BGP anycast prefix withdrawal or BGP based connection failover, you need to use [Classic CNI](/network-interconnect/classic-cni/) with a Magic Transit GRE tunnel.
Copy file name to clipboardExpand all lines: src/content/docs/magic-wan/network-interconnect.mdx
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content: Network Interconnect and Magic WAN
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import { Render } from"~/components"
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import { Render } from"~/components";
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Cloudflare Network Interconnect (CNI) allows you to connect your network infrastructure directly with Cloudflare – rather than using the public Internet – for a more reliable and secure experience. With CNI, you can bring Cloudflare’s full suite of network functions to your physical network edge.
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When working with Magic WAN and Cloudflare Network Interconnect (CNI), there are a few guidelines you should follow.
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## Express CNI
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## Direct CNI
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With [Express CNI](/network-interconnect/express-cni/) you can use the Cloudflare dashboard to provision a connection to Cloudflare in three minutes or less. This type of connection supports IP packets with 1,500 bytes, both for ingress and egress traffic.
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With [Direct CNI](/network-interconnect/express-cni/) you can use the Cloudflare dashboard to provision a connection to Cloudflare in three minutes or less. This type of connection supports IP packets with 1,500 bytes, both for ingress and egress traffic.
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For the time being, Express CNI does not support BGP. You need to create policy-based routes to ensure traffic is routed correctly. You also need to implement tracking of network traffic to ensure that the CNI and Cloudflare data center is functioning properly.
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For the time being, Direct CNI does not support BGP. You need to create policy-based routes to ensure traffic is routed correctly. You also need to implement tracking of network traffic to ensure that the CNI and Cloudflare data center is functioning properly.
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### Bidirectional health checks
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Bidirectional health checks do not work when you use Express CNI to onboard your traffic to Cloudflare. You will need to resort to the [legacy health check system](/magic-wan/configuration/manually/how-to/configure-tunnels/#legacy-health-checks-system).
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Bidirectional health checks do not work when you use Direct CNI to onboard your traffic to Cloudflare. You will need to resort to the [legacy health check system](/magic-wan/configuration/manually/how-to/configure-tunnels/#legacy-health-checks-system).
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:::note
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Do not use Magic WAN Connector with Express CNI. You can use the Connector with a [Public Peering or a Private Network Interconnection (PNI)](/network-interconnect/pni-and-peering/) if needed.
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Do not use Magic WAN Connector with Direct CNI. You can use the Connector with a [Public Peering or a Private Network Interconnection (PNI)](/network-interconnect/pni-and-peering/) if needed.
|[Express CNI](/network-interconnect/express-cni/)| Use for Magic WAN or Magic Transit, interconnecting directly with on-premise locations. | - 1, 10, 100 Gbps <br/> - Available at Express CNI-capable Cloudflare locations <br/> - No tunnel required <br/> - Set up via dashboard in less than three minutes. |
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|[Classic CNI](/network-interconnect/classic-cni/)| Use for Magic Transit, interconnecting directly or via a partner with on-premise locations. | - 10, 100 Gbps <br/> - Available at classic CNI capable Cloudflare data centers <br/> - Overlay GRE tunnel required for egress <br/> - BGP route reflector signaling <br/> - Setup facilitated by account team. |
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|[Cloud CNI](/network-interconnect/cloud-cni/)| Use for Magic WAN or Magic Transit, interconnecting directly with virtual networks (VPCs) from public cloud providers. | - Speed depends on cloud provider <br/> - Available at Cloud CNI capable Cloudflare locations <br/> - Setup facilitated by account team. |
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|[Peering, or private network interconnect (PNI)](/network-interconnect/pni-and-peering/)| Use for connecting your users to any Cloudflare services, via a more direct, performant and potentially cost-effective network path. | - No requirement to be a customer <br/> - Speed depends on IX or PNI <br/> - Available at PNI capable Cloudflare locations (PNI) and any Internet Exchange (IX) where Cloudflare peers today. <br/> - Setup facilitated by `[email protected]`|
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| Network interconnect mode | Use cases | Capabilities |
|[Direct CNI](/network-interconnect/express-cni/)| Use for Magic WAN or Magic Transit, interconnecting directly with on-premise locations. | - 1, 10, 100 Gbps <br/> - Available at Direct CNI-capable Cloudflare locations <br/> - No tunnel required <br/> - Set up via dashboard in less than three minutes.|
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|[Classic CNI](/network-interconnect/classic-cni/)| Use for Magic Transit, interconnecting directly or via a partner with on-premise locations. | - 10, 100 Gbps <br/> - Available at classic CNI capable Cloudflare data centers <br/> - Overlay GRE tunnel required for egress <br/> - BGP route reflector signaling <br/> - Setup facilitated by account team.|
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|[Cloud CNI](/network-interconnect/cloud-cni/)| Use for Magic WAN or Magic Transit, interconnecting directly with virtual networks (VPCs) from public cloud providers. | - Speed depends on cloud provider <br/> - Available at Cloud CNI capable Cloudflare locations <br/> - Setup facilitated by account team.|
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|[Peering, or private network interconnect (PNI)](/network-interconnect/pni-and-peering/)| Use for connecting your users to any Cloudflare services, via a more direct, performant and potentially cost-effective network path. | - No requirement to be a customer <br/> - Speed depends on IX or PNI <br/> - Available at PNI capable Cloudflare locations (PNI) and any Internet Exchange (IX) where Cloudflare peers today. <br/> - Setup facilitated by `[email protected]`|
Copy file name to clipboardExpand all lines: src/content/docs/network-interconnect/express-cni/create-interconnects.mdx
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1. Log in to the [Cloudflare dashboard](https://developers.cloudflare.com/), and select your account.
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2. Select **Interconnects** > **Create New**.
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3. In **Direct CNI**, select **Create new**.
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4. From the list, choose a location that suits you with **Select location**, or search for a location in the search box.
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:::note
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If your location is not listed it means that Express CNI is not available in your location yet. Refer to [Classic CNI](/network-interconnect/classic-cni/) to learn how you can use the classic version of Cloudflare Network Interconnect to connect your location to Cloudflare.
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If your location is not listed it means that Direct CNI is not available in your location yet. Refer to [Classic CNI](/network-interconnect/classic-cni/) to learn how you can use the classic version of Cloudflare Network Interconnect to connect your location to Cloudflare.
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:::
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5. Your interface is automatically assigned a speed of 10G. Give it a name, and select **Continue**.
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:::note
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Contact your account team if you need 100 Gigabit connections.
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:::
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6. Review the options you have chosen, and select **Confirm order**.
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7. Download the Letter of Authorization that Cloudflare created with your settings. You will need this document to contact your data center and provide them the IP addresses for the CNI connection.
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8. Select **View Interconnects** to review the CNIs you have ordered.
Express CNI allows you to connect your network infrastructure directly with Cloudflare – rather than using the public Internet – for a more reliable and secure experience.
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Direct CNI allows you to connect your network infrastructure directly with Cloudflare – rather than using the public Internet – for a more reliable and secure experience.
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Connecting to Cloudflare directly with an Express CNI reduces latency, makes your network more stable by bypassing Internet performance potential bottlenecks, and may even reduce your ISP bandwidth bills. Express CNI also gives you more control over how Cloudflare routes traffic back to your network.
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Connecting to Cloudflare directly with a Direct CNI reduces latency, makes your network more stable by bypassing Internet performance potential bottlenecks, and may even reduce your ISP bandwidth bills. Direct CNI also gives you more control over how Cloudflare routes traffic back to your network.
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The use case for Express CNI is Magic Transit or Magic WAN. If you have publicly routable origins that are behind Magic Transit over an Express CNI, then all Cloudflare services that work with public origins will run over the CNI (for example, Load Balancer, WAF, Cache, etc).
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The use case for Direct CNI is Magic Transit or Magic WAN. If you have publicly routable origins that are behind Magic Transit over a Direct CNI, then all Cloudflare services that work with public origins will run over the CNI (for example, Load Balancer, WAF, Cache, etc).
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In the Cloudflare dashboard you can find Cloudflare's nearest Cloudflare data center, and order an Express CNI connection with speeds up to 100 gigabits per second, as well as create a Letter of Authorization (LoA).
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In the Cloudflare dashboard you can find Cloudflare's nearest Cloudflare data center, and order a Direct CNI connection with speeds up to 100 gigabits per second, as well as create a Letter of Authorization (LoA).
Copy file name to clipboardExpand all lines: src/content/docs/reference-architecture/architectures/sase.mdx
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Organizations may also connect their network locations directly to the Cloudflare network via [Cloudflare Network Interconnect](https://www.cloudflare.com/network-services/products/network-interconnect/) (CNI). Cloudflare [supports a variety of options](/network-interconnect/about) to connect your network to Cloudflare:
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-Express CNI for Magic WAN and Magic Transit
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-Direct CNI for Magic WAN and Magic Transit
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- Classic CNI for Magic Transit
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- Cloud CNI for Magic WAN and Magic Transit
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- Peering via either an internet exchange, or a private network interconnect (PNI).
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