I spoke to Sonicwall support and was essentially told that I can only expect 25% of the slowest available speed using site to site VPN. Below is a quote from Sahil A at Sonicwall. "Speed wise traffic have been told that 1/4 in case of site to site VPN". level 1. nickcasa.

Fix slow internet speed with Intel Wireless-AC 7265 - 8265 Jan 18, 2019 Sonicwall Site to Site VPN ( 28,800 second Lifetime May 19, 2016 Creating Site-to-Site VPN Policies - SonicWall

SonicWALL Slow SSL VPN.. even on new fiber internet connection. Have a TZ600 and using NetExtender to connect remotely to office. Purpose is to access the file server. Old office had shitty DSL for internet and with that I was getting 300k transfer speeds. New office has 100MB up/down direct fiber and with that I'm getting 700K-1.5MB transfer

Why is file access so much slower over VPN? - equinux FAQ To access volumes and files hosted on a file server, one of several available distributed file system protocols must be used. As of 2018, the most common protocols are SMB/CIFS (default for Windows and macOS 10.9 or newer), AFP (default for macOS prior to 10.9), NFS (default for Linux and most UNIX operating system), WebDAV (based on HTTP, vendor neutral). Dell™ SonicWALL™ Global VPN Client 4.9 directory to Dell SonicWALL GVC install directory, (Usually \Program Files\SonicWALL\SonicWALL Global VPN Client) and type the following commands. • Net stop SWGVCSVC • Net start SWGVCSVC . Process 3: TCP applications on Vista are slow “ ” > >

I spoke to Sonicwall support and was essentially told that I can only expect 25% of the slowest available speed using site to site VPN. Below is a quote from Sahil A at Sonicwall. "Speed wise traffic have been told that 1/4 in case of site to site VPN"

Jan 18, 2010 · SonicWALL SSL-VPN NetExtender Connection Speed Demo Presented by Doug Lowenthal with The Building IT Company. You might try disconnecting the VPN. Then check the usage at both sites over a day or so. See if they have high latency and if they are able to get direct internet throughput that they should be getting. This could help you narrow it down to an ISP and or a specific site. In virtually all cases, the SonicWALL VPN throughput is greater than the Internet connection being used. Some application protocols do not scale down to Internet connection speeds as well as others. For example, Windows file sharing applications are designed for Ethernet speeds and does not fair as well at speeds slower than regular Ethernet