AWS site-to-site VPN poor connection

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I created a site-to-site VPN and I cannot get a connection bigger than 300 Mbits, my office network connection is 1GBps. Does anyone have any idea how to fix this? I need at least 500Mbits. The connection test is done through iperf3. Thank you

  • Is this upload or download issue?

Tiberiu
已提問 4 個月前檢視次數 142 次
2 個答案
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I recommend conducting iperf tests using both the private IP address (inside the tunnel) and the public IP address peer (outside the tunnel). Comparing results from multiple test configurations will indicate whether the constraint is within the VPC connection or is limited by overall internet capacity. Try adjusting parameters like using multiple streams and modifying the window size.

If your internet egress is multi-homed, run a bi-directional MTR test to the public IP peer to analyse the network path between AWS and your gateway. Based on the MTR results, you could try modifying how your prefix is advertised using BGP attributes to change the preferred network path. Taking these steps will provide insight into optimising performance.

profile pictureAWS
已回答 4 個月前

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