Merge pull request #224318 from maurojasmsft/vwanvpn

Update connect-virtual-network-gateway-vwan.md

Author: prmerger-automator[bot]

articles/virtual-wan/connect-virtual-network-gateway-vwan.md

@@ -29,6 +29,7 @@ Virtual Network (for virtual network gateway)
 
 * [Create a virtual network](../virtual-network/quick-create-portal.md) without any virtual network gateways. This virtual network will be configured with an active/active virtual network gateway in later steps. Verify that none of the subnets of your on-premises networks overlap with the virtual networks that you want to connect to.
 
+
 ## <a name="vnetgw"></a>1. Configure VPN Gateway virtual network gateway
 
 In this section you create a VPN Gateway virtual network gateway in active-active mode for your virtual network. When you create the gateway, you can either use existing public IP addresses for the two instances of the gateway, or you can create new public IPs. You'll use these public IPs when setting up the Virtual WAN sites. 
@@ -116,6 +117,12 @@ In this section, you create two Azure VPN Gateway local network gateways. The co
 1. Repeat these steps to create another local network gateway, but this time, use the 'Instance1' values instead of 'Instance0' values from the configuration file.
 
    :::image type="content" source="./media/connect-virtual-network-gateway-vwan/local-2.png" alt-text="Screenshot that shows the Configuration page with an IP address highlighted for local network gateway 2." lightbox="./media/connect-virtual-network-gateway-vwan/local-2.png":::
+   
+> [!IMPORTANT] 
+> 
+> Please be aware that when configuring a BGP Over IPsec connection to a Public IP that is NOT a vWAN Gateway Public IP address with the remote ASN '65515', the Local Network Gateway deployment will fail as the ASN '65515' is a documented reserved ASN as depicted in [What Autonomous Systems Can I use](../vpn-gateway/vpn-gateway-vpn-faq.md#bgp). However, when the Local Network Gateway reads the vWAN Public address with the remote ASN '65515', this restriction is lifted by the platform.
+> 
+   
 
 ## <a name="createlocalgateways"></a>6. Create connections