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Answer: Create two VPN tunnels on the same Cloud VPN gateway that point to the same destination VPN gateway IP address.
To increase the available bandwidth using Cloud VPN when a single tunnel is insufficient, creating multiple tunnels on the same Cloud VPN gateway pointing to the same destination VPN gateway IP address (Option B) is the correct approach. This method leverages Google's support for multiple tunnels from the same Cloud VPN gateway to the same peer gateway, each capable of handling up to ~3 Gbps, thereby aggregating to increase total bandwidth. Options A, C, and D either do not directly address the bandwidth issue or require additional infrastructure changes not mentioned as feasible in the scenario.
Author: LeetQuiz Editorial Team
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To increase the available bandwidth for Cloud VPN between on-premises and GCP beyond what a single tunnel can handle, what steps should you take?
A
Double the MTU on your on-premises VPN gateway from 1460 bytes to 2920 bytes.
B
Create two VPN tunnels on the same Cloud VPN gateway that point to the same destination VPN gateway IP address.
C
Add a second on-premises VPN gateway with a different public IP address. Create a second tunnel on the existing Cloud VPN gateway that forwards the same IP range, but points at the new on-premises gateway IP.
D
Add a second Cloud VPN gateway in a different region than the existing VPN gateway. Create a new tunnel on the second Cloud VPN gateway that forwards the same IP range, but points to the existing on-premises VPN gateway IP address.
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