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IPSec Site-to-Site and SSL-VPN abysmal performance

Hello,

I've never had really good performance in IPsec S2S, and it hasn't really be a bother. But, since times of home office, this is becoming increasingly important.

We own a SG125, which should more than cover our needs: 20 users in total, mostly some 15 VPN connections and one S2S tunnel (to free version).

However, even on lightest of days, with zero SSL-VPN connections, I have abysmal performance: not more than 10Mbit/s upload or download. The connection in the upload case (remote site to company site) is 25Mbit - limited by the upload-speed on the remote-site. Download speed at the company site is at least 50Mbit.

SSL-VPN is also very slow. Things like opening a folder over SMB, copying files, it all goes often in KB/s speeds.

Opening folders is sometimes real pain. It does matter what folders contain, but still. Copying alone should be faster.

I also did speedtests on both sides, and here I get full speeds.

Am I doing something wrong or is the firewall simply "old"?



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