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Copy file name to clipboardExpand all lines: articles/expressroute/about-fastpath.md
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@@ -30,25 +30,6 @@ To configure FastPath, the virtual network gateway must be either:
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* Ultra Performance
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* ErGw3AZ
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## Scenarios
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### Virtual network (Vnet) Peering
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FastPath will send traffic directly to any VM deployed in a virtual network peered to the one connected to ExpressRoute, bypassing the ExpressRoute virtual network gateway. This feature is available for both IPv4 and IPv6 connectivity.
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**FastPath support for vnet peering is only available for ExpressRoute Direct connections.**
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> [!NOTE]
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> * FastPath Vnet peering connectivity is not supported for Azure Dedicated Host workloads.
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## User Defined Routes (UDRs)
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FastPath will honor UDRs configured on the GatewaySubnet and send traffic directly to an Azure Firewall or third party NVA.
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**FastPath support for UDRs is only available for ExpressRoute Direct connections**
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> [!NOTE]
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> * FastPath UDR connectivity is not supported for Azure Dedicated Host workloads.
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> * FastPath UDR connectivity is not supported for IPv6 workloads.
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## Limitations
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While FastPath supports most configurations, it doesn't support the following features:
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The following FastPath features are in Public preview:
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### Virtual network (Vnet) Peering
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FastPath will send traffic directly to any VM deployed in a virtual network peered to the one connected to ExpressRoute, bypassing the ExpressRoute virtual network gateway. This feature is available for both IPv4 and IPv6 connectivity.
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**FastPath support for vnet peering is only available for ExpressRoute Direct connections.**
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> [!NOTE]
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> * FastPath Vnet peering connectivity is not supported for Azure Dedicated Host workloads.
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## User Defined Routes (UDRs)
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FastPath will honor UDRs configured on the GatewaySubnet and send traffic directly to an Azure Firewall or third party NVA.
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**FastPath support for UDRs is only available for ExpressRoute Direct connections**
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> [!NOTE]
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> * FastPath UDR connectivity is not supported for Azure Dedicated Host workloads.
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> * FastPath UDR connectivity is not supported for IPv6 workloads.
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**Private Link Connectivity for 10Gbps ExpressRoute Direct Connectivity** - Private Link traffic sent over ExpressRoute FastPath will bypass the ExpressRoute virtual network gateway in the data path.
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This preview is available in the following Azure Regions.
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