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Oct 14 2024
6:59 AM
We have been having issues on Windows 11 devices when connecting to Secure Connect VPN the first time, the connection is established using TLS instead of DTLS resulting in poor performance. All subsequent attempts result in a DTLS connection. Rebooting the device will result in the first attempt negotiating TLS. This is causing users to connect multiple times to "fix" their performance issue. This behavior has been observed connecting to both an on premise MX and the Secure Connect datacenters. Support suggested enabling the routing and remote access service in Windows with delayed start (didn't work). Other than that they pretty much washed their hands and said they don't have an answer.
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Jan 11 2024
1:36 PM
Firmware is 18.107.2 I did not try with autovpn disabled as I was not in a maintenance window where I could take it down. Ran speed test from a lan client and used the dashboard test. Same results both places. I'm bringing another site online tomorrow morning with the exact same config. I can try a speed test without the MX to verify the circuit.
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Jan 11 2024
1:19 PM
Thanks but I'm not sending traffic through the VPN tunnel. A simple speed test not traversing the VPN caps out at 300Mbps on a 500Mbps fiber circuit. I can replicate this in two locations. That's why I asked in the original post if it caps all traffic. And support simply says "VPN enabled device".
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Jan 11 2024
1:09 PM
Unfortunately that's not what supports says. Are they wrong? "Thank you for contacting Cisco Meraki Technical Support. My name is Joe and I'll be happy to assist you with this! After checking your network it looks like you have your VPNs enabled, and our data sheet here indicates that speeds will cap at 300 when testing through VPN enabled devices."
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Jan 11 2024
1:00 PM
Can someone clarify how throughput works on the MXs? Using an MX67 for example. Firewall throughput is 600Mbps, VPN throughput is 300Mbps and Security throughput is 300Mbps. If you simply enable Auto-VPN and no security, does that mean you have capped the device at 300Mbps for ALL traffic weather it traverses a VPN tunnel or not?
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