Enhance documentation on VNet peering settings

Added details about Azure portal settings for virtual network peering, including traffic control and gateway transit options.

Author: staleycyn

learn-pr/wwl-azure/configure-vnet-peering/includes/3-determine-gateway-transit-connectivity.md

@@ -8,15 +8,18 @@ Consider a scenario where three virtual networks in the same region are connecte
 
 :::image type="content" source="../media/gateway-transit-173a51a0.png" alt-text="Diagram of a regional virtual network peering. One network allows VPN gateway transit and uses a remote VPN gateway to access resources in a hub virtual network." border="false":::
 
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-The Azure portal doesn't specifically mention *gateway transit* and *connectivity*. Instead, you have choices for allowing and forwarding network traffic. 
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+The Azure portal provides four key settings when configuring virtual network peering:
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+- **Traffic to remote virtual network**. Controls whether traffic flows from this VNet to the remote VNet.
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+- **Traffic forwarded from remote virtual network**. Controls whether forwarded (non-originating) traffic is accepted from the peered VNet.
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+- **Virtual network gateway or Route Server**. Enables gateway transit. Lets peered VNets use this VNet's VPN Gateway or Azure Route Server.
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+- **Remote virtual network gateway or Route Server**. Enables this VNet to use the remote VNet's VPN Gateway or Route Server.
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 :::image type="content" source="../media/peering-settings.png" alt-text="Screenshot of the peering options in the portal." border="false":::
 
-> [!TIP]
-> Use **Ask Learn** (available in English) or **Copilot** to explore *Azure gateway transit*.
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 ### Things to know about Azure VPN Gateway
 
 Let's take a closer look at how Azure VPN Gateway is implemented with Azure Virtual Network peering.