Merge pull request #297319 from raghavendermareddy/patch-684972

update FP section

Author: prmerger-automator[bot]

articles/expressroute/expressroute-howto-linkvnet-portal-resource-manager.md

@@ -5,7 +5,7 @@ services: expressroute
 author: duongau
 ms.service: azure-expressroute
 ms.topic: how-to
-ms.date: 10/01/2024
+ms.date: 03/31/2025
 ms.author: duau
 ---
 
@@ -186,14 +186,15 @@ The circuit user needs the resource ID and an authorization key from the circuit
 
 [FastPath](expressroute-about-virtual-network-gateways.md) improves data path performance such as packets per second and connections per second between your on-premises network and your virtual network. You can enable FastPath if your virtual network gateway is Ultra Performance or ErGw3AZ.
 
+> [!NOTE]
+> When you enable FastPath on new or existing connections, the Gateway bypass is enabled after the ExpressRoute Gateway and Circuit connection is established. This will briefly route the on-premises traffic through the gateway.
+
 ### Configure FastPath on a new connection
 
 When adding a new connection for your ExpressRoute gateway, select the checkbox for **FastPath**.
 
 :::image type="content" source="./media/expressroute-howto-linkvnet-portal-resource-manager/enable-fastpath-portal.png" alt-text="Screenshot of FastPath checkbox in add a connection page.":::
 
-> [!NOTE]
-> Enabling FastPath for a new connection is only available through creating a connection from the gateway resource. New connections created from the ExpressRoute circuit or from the Connection resource page is not supported.
 
 ### Configure FastPath on an existing connection