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Answer: Configure a second set of active/passive VPN tunnels.
The HA VPN setup in active/passive mode uses one active tunnel at a time, which can handle up to 3 Gbps. When traffic increases to 4 Gbps, the single active tunnel becomes insufficient, causing packet drops. Configuring a second set of active/passive VPN tunnels (Option D) adds another active tunnel, allowing traffic to be distributed across two active tunnels (each supporting up to 3 Gbps), providing a total capacity of 6 Gbps to handle the 4 Gbps requirement. Other options (ASN, Cloud Router scaling, MTU adjustments) do not directly address the bandwidth limitation of a single active tunnel.
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You have a high availability (HA) VPN connection with two tunnels operating in active/passive mode between your Google Cloud Virtual Private Cloud (VPC) and on-premises network. Traffic throughput has recently increased from 1 Gbps to 4 Gbps, resulting in packet drops. How should you reconfigure your Google Cloud VPN to handle the increased 4 Gbps traffic load?
A
Configure the remote autonomous system number (ASN) to 4096.
B
Configure a second Cloud Router to scale bandwidth in and out of the VPC.
C
Configure the maximum transmission unit (MTU) to its highest supported value.
D
Configure a second set of active/passive VPN tunnels.
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