- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Cloud
Hybrid Connectivity with VPN Gateway
You are a network architect tasked with proving out a multi-site network pattern. You are going to make use of cloud-native services in Azure to validate core architectural components, including VPN connectivity, dynamic routing updates with BGP and using logs to raise operational alerts. Completing this lab will give you a solid grounding in the fundamentals of Azure networking, and how these services can be wired together in complex topologies.
Lab Info
Table of Contents
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Challenge
Deploy Virtual Network base infrastructure
Deploy three virtual networks, each with an identical pattern of subnets. Deploy a Network Security Group for each virtual network, and resource for centralised log collection.
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Challenge
Create and configure Azure VPN Gateways
Deploy a public IP address and VPN Gateway to each of the Virtual Networks. in preparation to connect the VNets so that traffic can flow between them.
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Challenge
Establish VNet-to-VNet VPN connectivity
Deploy VPN connections between VNet1 and VNet2, and between VNet2 and VNet3. There will not be a direct connection between VNet 1 and VNet3.
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Challenge
Enable Border Gateway Protocol (BGP) peering
Enable Border Gateway Protocol (BGP) on all gateways and connections, so that modifications to IP ranges are automatically propagated throughout the network.
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Challenge
Validate BGP functionality
Add an additional IP range with associated subnets to each Virtual Network to validate BGP routing propagation across the network topology.
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Challenge
Validate end-to-end connectivity
Deploy a Linux virtual machine in each of the Virtual Networks and update each NSG to allow ICMP and SSH (only in VNet1). Connect to a VM console via SSH and ping the other VMs to validate cross-network traffic flow.
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Challenge
Instrument Azure Monitor
Query Log Analytics for VPN Gateway connection logs. Use the log query to create Alert Rules, then simulate a VPN tunnel failure to trigger an alert.
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