Discover the ideal solution for connecting two on-premises datacenters to Azure VNet1 with automatic failover and on-premises firewall availability. Learn why an active-active gateway with BGP and four tunnels is the best choice for your networking needs.
Table of Contents
Question
Your on-premises network contains two datacenters. Each datacenter contains a firewall.
You have an Azure subscription that contains an Azure Virtual Network named VNet1.
You need to recommend a solution to connect the two datacenters to VNet1. The solution must ensure availability of an on-premises firewall and automatic failover if an Azure VPN gateway fails.
What should you recommend?
A. an active-active gateway by using BGP and four tunnels
B. an active-active gateway by using two tunnels
C. an active-passive gateway by using BGP and four tunnels
D. an active-passive gateway by using two tunnels
Answer
A. an active-active gateway by using BGP and four tunnels
Explanation
The gateway must be configured as active-active. This will assign a public IP address to each gateway to which a tunnel can be connected from each on-premises firewall. This will create four tunnels total. BGP is used for automatic failover if the primary device goes offline.
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