Update for Preview

Author: tracsman

articles/vpn-gateway/site-to-site-high-bandwidth-tunnel.md

@@ -11,7 +11,7 @@ ms.date: 07/18/2025
 #customer intent: As a network engineer, I want to create a site-to-site VPN connection between my on-premises location and my Azure virtual network with High Bandwidth tunnels with transit through ExpressRoute private peering.
 ---
 
-# Create a site-to-site high bandwidth tunnels in the Azure portal
+# Create a site-to-site high bandwidth tunnels in the Azure portal **(Preview)**
 
 The Azure VPN Gateway High Bandwidth tunnels feature, part of the Advanced Connectivity capabilities, delivers enhanced tunnel throughput for high-performance IPsec connections between your on-premises network and Azure virtual network. These tunnels are established between your on-premises VPN device and the Azure VPN Gateway, with traffic transiting through ExpressRoute private peering. High Bandwidth tunnels use private IP addresses on-premises to establish a secure, encrypted overlay network between your on-premises infrastructure and Azure.
 
@@ -35,7 +35,7 @@ The required Azure resources for this deployment are:
 - **Connection between the ExpressRoute circuit and the virtual network gateway with FastPath enabled**
 - **VPN Gateway (SKU: VpnGw5AZ) with Advanced Connectivity enabled**
 - **VPN Local Network Gateway**
-- **User Defined Route (UDR) to direct ExpressRoute traffic to the VPN Gateway**
+- (optional) **User Defined Route (UDR) to direct ExpressRoute traffic to the VPN Gateway**
 
 ## <a name="VNetGateway"></a>Create an ExpressRoute Gateway