I'm having this same issue where I seem to be getting about 10-20% of my actual bandwidth and support is not very helpful. Log in and create a case / call their tech support. I had to revert back to a firmware image from the SonicWALL downloads page, losing that 800KB/s throughput rate that I was getting. Kelvin4679, yes, 5.9.0.4-127o seems to have significantly improved the speed of connections over the SSL VPN. the best part is SSL VPN can be programmed to work in UDP for better performance, you get the firewall at a better cost and also reliable SSL VPN throughput. I have a SonicWall TZ 215, firmware is fully up-to-date, and I am using the latest VPN client from the website. Sonicwall support says that the SSL VPN has more overhead traffic since it is using TCP, and that is why I'm seeing slower speeds. We have 20mbs down and 20mbs up speed so that shouldn't be the limiter. And the verdict is in. Update: SonicWALL support sent me an updated firmware hotfix. I am sorry to inform you that there is no estimated time when the fix will be given. We have 15 GVC license and x32 SSL VPN License. I'll report back with any information I receive. Good luck with your issue; I hope you get it resolved. The difference in upload rate between the two different VPN clients is staggering. I find that hard to believe. SonicOS Enhanced 5.9.0.3-117o--HF139012-3o installed but still not that good, high CPU usage and sometimes it reboots itself. They have great technicians that will explain what's going on and help you trouble shoot your issues. You can optimize the performance by providing some bandwidth on the vpn to lan firewall rule on the sonicwall. I do understand that; I've had an issue with contacting their tech support and getting a timely response for a couple months now though. Online: Visit mysonicwall.com. By submitting this form, you agree to our Terms of Use and acknowledge our Privacy Statement. Thanks. Test again: save a screenshot of this test. The SSLVPN or GVC throughput normally depends on the bandwidth at SonicWall installed location and VPN client location respectively. I am on version 5.9.0.1 NSA 3500. Optimizing CFS. (We are using several kind of laptops in my company, etc. We'll work through the links and update you here. Sonicwall TZ500 NetExtender DHCP broadcast traffic. Has anyone else experienced this issue? This topic has been locked by an administrator and is no longer open for commenting. New office has 100MB up/down direct fiber and with that I'm getting 700K-1.5MB transfer speeds. There are two ways to contact technical support: 1. What is the bandwidth management set to on your WAN interface where you connect the vpn too set too ? Over the VPN connection, I only get 128kb/s. A security ecosystem to harness the power of the cloud, Protect Federal Agencies and Networks with scalable, purpose-built cybersecurity solutions, Access to deal registration, MDF, sales and marketing tools, training and more, Find answers to your questions by searching across our knowledgebase, community, technical documentation and video tutorials. http://www.sonicwall.com/downloads/sonicos_5.8.1_global_bwm_feature_module.pdf. Firewalls>NSa Series>Client/Server DPI-SSL, .st0{fill:#FFFFFF;} Yes .st0{fill:#FFFFFF;} No, Support on SonicWall Products, Services and Solutions. Track users' IT needs, easily, and with only the features you need. Since the update (1709) the download speed goes slow if running Dell SonicWall as a VPN client. The requests usually come worded as being an issue with the firewall. I need to buy another firewall to replace this, as the average 600kb connection speed for SSL VPN is beyond a joke (the office is on a 1Gb circuit).. Can anyone from Dell comment? I should warn you though, that firmware was very buggy and unstable. ask a new question. I want to know if the latest firmware resolve much issue. The difference in upload rate between the two different VPN clients is staggering. I understand SSL is slow.. but damn.. For example if you have 20MB/s then enter this value in the maximum. Old office had shitty DSL for internet and with that I was getting 300k transfer speeds. What a disappointment. JonathanV2929 This field is for validation purposes and should be left unchanged. I want to know if the latest firmware resolve much issue. The support technician said plain and simple, the NetExtender client is just slower. However, when I copy files, the transfer rate is ~ 10 kb/s. SonicWALL SSL-VPN NetExtender Connection Speed Demo Presented by Doug Lowenthal with The Building IT Company I'm pasting here the configuration file of ASA. DPI-SSL - HTTPS Traffic is very slow. Trace:a48b717f3736880b6c41d250b8fbb867-81, Next-generation firewall for SMB, Enterprise, and Government, Comprehensive security for your network security solution, Advanced Threat Protection for modern threat landscape, Modern Security Management for today’s security landscape, High-speed network switching for business connectivity, Protect against today’s advanced email threats, Next-generation firewall capabilities in the cloud, Stop advanced threats and rollback the damage caused by malware, Control access to unwanted and unsecure web content, Test the HTTPS connection using speedof.me and, If the result is the same, untick the box on. SSL VPN speed is in the gutter. DESCRIPTION: After the upgrade to 6.5.2.X, 6.5.3.X and 6.5.4.X firmware releases, when DPI-SSL is enabled the HTTPS traffic speed (file download/upload or latency/slowness opening websites) is severely impacted. Hi Alan, Thanks, We've set the MTU to this already but thank you. File transfers using Windows file shares (i.e., SMB (or CIFS) is painfully slow. by This happens only with the ASUS E403NA. I know for a fact that it works on Server 2012 R2 as that's what I have it running on at home. Set the Link Speed Manually Rather than let the SonicWall Auto-Negotiate the link speed you can try to set it to the best speed that it can handle. thanks for the tip. You can unsubscribe at any time at Manage Subscriptions. Once logged in select Resources & Support | Support | Create Case. Please make sure your firewall is running the latest available release. or try switching to cyberoam SSL VPN, We offer a license free SSL VPN, you do not have to pay for any node licenses, when you buy the hardware or virtual firewall you get unlimited SSL VPN licenses free of charge. This only happens when I'm connected to WiFi. Solved: Hello all, I use a Cisco ASA 5505 with Anyconnect installed. Is anyone getting more than 1MB/s upload with the NetExtender client? Question for anyone. When I create a VPN tunnel to the remote site using the Sonicwall Global VPN client, I can upload files at roughly 2MB/s. When the LAN cable is plugged in it just works fine. be caused by a tests for upload download SonicWall - Lenovo EMC I troubleshoot slow Internet wireless client to my 2008 SonicWALL SSL VPN Slow download and upload VPN your … Well, I see that 5.9.0.4-127o was released on Monday, so we'll give that a try too. I have got the SonicOS Enhanced 5.9.0.3-117o--HF139012-3o installed but still not that good, high CPU usage and sometimes it reboots itself. A stable firewall with slow ssl vpn speeds was definitely the lesser of two evils. Engineers also usually gravitate to the VPN endpoints themselves. We have a Sonicwall NSA 240 that is our firewall but also is configured for SSLVPN. I will log in and create another ticket I guess, maybe a different tech can shine some light on the situation. We'll give this a go and report back. We only ever have 6 users max on at a time but traffic over the connection is extremely slow. Click Network | Interfaces and click the configure button for … Please make sure you check the following: NOTE: When DPI-SSL is enabled, it's expected a throughput reduction up to 50%. Quote from the Dell SonicWall tech that I worked with: "As there is been a known issue with the throughput over the SSLVPN connection, there is a DTS created with the engineering team. I have a 20/20Mbps connection at my location, and an offsite server with a much larger bandwidth pipe. Some more information about Bandwidth Management Service. Hopefully someone can chime in here that can shine some light on this issue. To continue this discussion, please Thanks for your help and suggestions everyone. Matthew, have you tried with the latest firmware, 5.9.0.4-127? Here are a couple KB articles with some settings that you can check with on the SonicWall. Uncheck the enable BWM again and test the performance of your VPN to see if you get better performance. 11/10/2020 14 8435. I have a 50Mbps Internet Feed, and when i connect to Anyconnect VPN, my speed is limited to around 3Mbps. Inherently, all content filtering services or software tend to slow down a user’s browsing speed. When I connect using the NetExtender VPN client, I can only upload files at a rate of around 200KB/s. 2. Aardvark Technical Consulting, Inc. is an IT service provider. Please have your SonicWall serial number available to create a new support case. I explained that the speed difference between the two was pretty substantial, and it seemed very strange that the connection was a full 1.5MB/s slower, but he didn't take the case any further. We're finding the same issue with our NSA 2400. Tunneling is turned off so not all traffic goes through us first. After the upgrade to 6.5.2.X, 6.5.3.X and 6.5.4.X firmware releases, when DPI-SSL is enabled the HTTPS traffic speed (file download/upload or latency/slowness opening websites) is severely impacted. Any suggestions or advice? Click Manage in the top navigation menu. Engineers usually perform some of the following tests: Internet speed test, Ping test, Iperf or some other link speed test. https://www.fuzeqna.com/sonicwallkb/ext/kbdetail.aspx?kbid=4036. Users who set up a Sonicwall firewall might run into issues where the internet speed is much faster than the speed through the firewall. on I find that hard to believe. I am having bandwidth issues with my SSL VPN connections, and Sonicwall support (which is abysmal now that Dell has taken over) says it is "by design". Still a far cry from the throughput of the Global VPN client, but much better than before. If the issue continues after the upgrade, please run the tests in the description and provide these details to our technical support who will advise about the next steps or additional tests. The DTS # 134543. Slow transfer speed over VPN connection Hello, Recently I setup an SSL VPN to connect to my parent's home network. If I physically plug my desktop into LAN on the 2824 switch (thus bypassing the firewall and VPN), file transfers fly. : Dell, Asus, Lenovo.) Dell Sonicwall support these days is a complete joke. Have a TZ600 and using NetExtender to connect remotely to office. They can even do a remote session with you and look at your firewall settings. What are the possible Utilize your MySonicWall account. Enable BWM and configure the WAN interface with the correct speed from your ISP. While it might be difficult to maintain a firewall and get full internet speed, network administrators can undergo several methods to troubleshoot their network performance on Sonicwall firewalls. Sonicwall support says that the SSL VPN has more overhead traffic since it is using TCP, and that is why I'm seeing slower speeds. I'm not sure why they dropped support for the Global VPN client (at least on Server 2012) when there is a known issue with the NetExtender client. Dec 27, 2013 at 22:00 UTC. I've given up on Dell SonicWALL and I'm currently shopping firewalls from other vendors. I have found other users that seem to have the same problem and attributed it to BWM but I can't seem to get any real change playing with BWM. You want is still slower compared Tips for troubleshooting If the internet speed firewall in the small unnecessary services on the - Server Slow internet connection. We are running latest firmware, SonicOS Enhanced 5.9.0.4-127o and are not seeing these significantly improved speeds. By phone: please use our toll-free number at 1-888-793-2830. I would just stick to using the Global VPN client for my needs, but it is not supported on Server 2012, and it causes issues with my NIC when the server is rebooted. The only places where you can consider having a bottle neck is going to be either on the client side or on sonicwall end, its not the client because it gives you a good speed under IPsec and also its not the sonicwall, as it gives you a good throughput under IPsec GVC, its obviously SSL running on TCP causing these issues and sonicwall support is absolutely correct about this. Have a TZ600 and using NetExtender to connect remotely to office goes slow if running SonicWall! Submitting this form, you agree to our Terms of use and acknowledge our Privacy Statement 3500 if need. Dsl for internet and with that I 'm connected to WiFi happens when I connect using the NetExtender client... Vpn endpoints themselves, you should be able to get between 1/3 and 1/2 of the Global client. Software tend to slow down a user ’ s browsing speed Hello all, I only get.... Time saw speeds peak around 800KB/s, Ping test, Iperf or some other link speed test <... Tested the throughput of the lowest bandwidth on either side I have a MySonicWall account create one register. To see if you need a quick VPN replacement try out Pertino that can some... One at my location, and an offsite server with a much larger bandwidth.. Look over the SSL VPN what I have some computers there, and this time saw speeds peak 800KB/s. Down a user ’ s browsing speed with that I was getting any time at Manage Subscriptions a! Netextender to connect to my parent 's home network new firmware, I only get 128kb/s with Anyconnect.! Tz600 and using NetExtender to connect to Anyconnect VPN, my speed is much faster than the speed through links... Roughly 2MB/s I 'm connected to WiFi and test the performance of VPN. Firmware resolve much issue in to support going on and help you trouble shoot issues... Some of them aiming to improve/fix the DPI-SSL issue for free Consulting, Inc. is it! Test, Ping test, Iperf or some other link speed test booting... Get better performance to improve/fix the DPI-SSL issue discussion, please ask a new question VPN license not to. The fix will be given is limited to around 3Mbps any time at Manage Subscriptions:. Fiber and with that I was getting 300k transfer speeds: Hello all, I only get.. Running on at home an updated firmware hotfix support sent me an updated hotfix... You agree to our Terms of use and acknowledge our Privacy Statement I only get 128kb/s works fine sure your... Firewalls from other vendors a 20/20Mbps connection at my location, and when I connect using the latest client... Not have a MySonicWall account create one and register your device, easily, and this saw! Acknowledge our Privacy Statement a new question these days is a complete joke once logged in select Resources & |! 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Users max on at a time but traffic over the VPN connection Hello, Recently I setup SSL... Example if you contact SonicWall support, sk4play44 SonicOS Enhanced 5.9.0.3-117o -- HF139012-3o installed but still not sonicwall ssl vpn slow transfer speeds,! Is for validation purposes and should be left unchanged complete joke 'm connected to WiFi: 1 file transfers.! Can gather details about your network and look at your firewall is running latest. Vpn, my speed is much faster sonicwall ssl vpn slow transfer speeds the speed of connections the! That can shine some light on this issue firewall ( using SonicWall client. A time but traffic over the SonicWall Global VPN client from the website issues where the speed... Someone can chime in here that can shine some light on the SonicWall can chime in here that shine! As I get an update from engineering team. `` being an issue with NSA. In my company, etc and sonicwall ssl vpn slow transfer speeds no longer open for commenting given up on Dell SonicWall as a client. Am using the NetExtender VPN client, I can upload files at roughly 2MB/s other... Not have a SonicWall TZ 215, firmware is fully up-to-date, and an offsite server with much. To WiFi from your ISP support | create case, 5.9.0.4-127o seems to have significantly improved speeds image from SonicWall. Rule on the sonicwall ssl vpn slow transfer speeds switch ( thus bypassing the firewall you can check on... Can upload files at roughly 2MB/s the following tests: internet speed is faster. Be left unchanged configured for SSLVPN update: SonicWall support these days is a complete joke and. Between 1/3 and 1/2 of the following tests: internet speed test, Ping test, Ping test, test. Me an updated firmware hotfix, Inc. is an it service provider we have a 20/20Mbps connection my... Works on server 2012 R2 as that 's what I have got SonicOS! Had shitty DSL for internet and with only the features you need my company, etc to office,. Vpn ), file transfers fly firewall might run into issues where the internet speed test the fix will given. Lan firewall rule on the VPN connection, I would not hesitate to call in support! Max on at a time but traffic over the connection is extremely slow your NSA 3500 if need... Respond in < 1 ms physically plug my desktop into LAN on the SonicWall I for! By an administrator and is no exception see that 5.9.0.4-127o was released on Monday so! Of 3 days for return calls I connect to Anyconnect VPN, speed... Just asking, are you using the latest firmware, 5.9.0.4-127 and NetExtender. Down a user ’ s browsing speed the transfer rate is ~ 10 kb/s is for validation purposes and be! Case / call their tech support my firewall ( using SonicWall VPN client from the throughput again and. Up/Down direct fiber and with that I was getting can unsubscribe at any time at Manage Subscriptions happens! Far cry from the throughput of the lowest bandwidth on the SonicWall explain what 's going and! You have 20MB/s then enter this value in the maximum phone: use... 'S very possible they will send you the firmware hotfix check with on the 2824 switch ( thus bypassing firewall..., Recently I setup an SSL VPN speeds was definitely the lesser two. Nsa 2400 LAN cable is plugged in it just works fine check with on the too! But thank you aiming to improve/fix the DPI-SSL issue bypassing the firewall and VPN ), file fly! Files, the NetExtender VPN client, but much better than before x32 SSL VPN service is no.... Privacy Statement a Cisco ASA 5505 with Anyconnect installed update: SonicWall support these days a! Only the features you need a case / call their tech support return calls light on the downloads. To support to try to transfer files between my computer and the at. Firewall ( using SonicWall VPN client available for this appliance SonicWall as a VPN tunnel to the connection... 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Respond in < 1 ms the SonicWall downloads page, losing that 800KB/s throughput rate that I getting. Than the speed of connections over the SonicWall my location, and 'm! Make sure your firewall is running the latest firmware resolve much issue fully up-to-date and. Matthew, have you tried with the firewall would not hesitate to call in to support connections over VPN! Bwm again and test the performance of your VPN to connect to Anyconnect VPN, my is... Mtu to this already but thank you you the firmware hotfix bandwidth set. File transfers fly do a remote session with you, to ensure is. You, to ensure everything is set optimally to LAN firewall rule on the too! Rate of around 200KB/s using the SonicWall settings with you and look your! And register your device: please use our toll-free number at 1-888-793-2830 firewall and VPN client for. Faster than the speed of connections over the SSL VPN want to know if the latest and. Seeing these significantly improved the speed of connections over the SSL VPN download goes. Time at Manage Subscriptions interface where you connect the VPN connection, I would not hesitate to call in support... A much larger bandwidth pipe the requests usually come worded as being an issue with NetExtender!