a VPN your internet increasing your web surfing I have this exact - VPN Client - Slow Transfer Speeds I speed is prioritised over speeds - 1 SonicWall Global VPN Client PX12-450r = low speeds. Vpn Slow Transfer Slow Site to - SonicWALL - SSL VPN (SonicWall) On the Sonicwall router, the throughput of the set to "Split Tunnels" " policy. DPI-SSL - HTTPS Traffic is very slow. 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. I have a SonicWall TZ 215, firmware is fully up-to-date, and I am using the latest VPN client from the website. You do realize that it's that time of year where a lot of places are operating on skeleton crews because of Christmas and New Years right? SonicWall’s CFS filtering service is no exception. This field is for validation purposes and should be left unchanged. When I create a VPN tunnel to the remote site using the Sonicwall Global VPN client, I can upload files at roughly 2MB/s. I had to revert back to a firmware image from the SonicWALL downloads page, losing that 800KB/s throughput rate that I was getting. If I physically plug my desktop into LAN on the 2824 switch (thus bypassing the firewall and VPN), file transfers fly. Make sure that your mtu on the WAN is set to 1492 also. 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. I'll report back with any information I receive. Engineers usually perform some of the following tests: Internet speed test, Ping test, Iperf or some other link speed test. This only happens when I'm connected to WiFi. SonicWALL SSL-VPN NetExtender Connection Speed Demo Presented by Doug Lowenthal with The Building IT Company sw_tz-215_eng_5.9.0.3_WorkSet-5.9.0.3-117o--HF139729_1o_624837.sig . New office has 100MB up/down direct fiber and with that I'm getting 700K-1.5MB transfer speeds. By submitting this form, you agree to our Terms of Use and acknowledge our Privacy Statement. 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. 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. I find that hard to believe. Is anyone getting more than 1MB/s upload with the NetExtender client? They have great technicians that will explain what's going on and help you trouble shoot your issues. The support technician said plain and simple, the NetExtender client is just slower. Please make sure your firewall is running the latest available release. Slow transfer speed over VPN connection Hello, Recently I setup an SSL VPN to connect to my parent's home network. However, when I copy files, the transfer rate is ~ 10 kb/s. Click Manage in the top navigation menu. I'm pasting here the configuration file of ASA. Users who set up a Sonicwall firewall might run into issues where the internet speed is much faster than the speed through the firewall. Some more information about Bandwidth Management Service. 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. Uncheck the enable BWM again and test the performance of your VPN to see if you get better performance. Hi Alan, Thanks, We've set the MTU to this already but thank you. SSL VPN speed is in the gutter. 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. You can optimize the performance by providing some bandwidth on the vpn to lan firewall rule on the sonicwall. You can unsubscribe at any time at Manage Subscriptions. JonathanV2929 A stable firewall with slow ssl vpn speeds was definitely the lesser of two evils. I have a 20/20Mbps connection at my location, and an offsite server with a much larger bandwidth pipe. Please have your SonicWall serial number available to create a new support case. When I connect using the NetExtender VPN client, I can only upload files at a rate of around 200KB/s. Just asking, are you using the latest firmware and VPN client available for this appliance? And the verdict is in. 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. The difference in upload rate between the two different VPN clients is staggering. 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. 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. Online: Visit mysonicwall.com. Optimizing CFS. 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. If you do not have a mysonicwall.com account create one for free! Inherently, all content filtering services or software tend to slow down a user’s browsing speed. If you don't have a MySonicWall account create one and register your device. The DTS # 134543. Question for anyone. We have 15 GVC license and x32 SSL VPN License. If you are not able to find any performance increase, I would not hesitate to call in to support. Can anyone from Dell comment? 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. Support can gather details about your network and look over the SonicWall settings with you, to ensure everything is set optimally. https://www.fuzeqna.com/sonicwallkb/ext/kbdetail.aspx?kbid=4036. I have a 50Mbps Internet Feed, and when i connect to Anyconnect VPN, my speed is limited to around 3Mbps. If you need a quick VPN replacement try out Pertino. 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. To continue this discussion, please The overall decrease in speed is caused by DNS queries and URL database lookups that need to be performed to allow it to categorize the website being visited. I should warn you though, that firmware was very buggy and unstable. Aardvark Technical Consulting, Inc. is an IT service provider. Any suggestions or advice? There are two ways to contact technical support: 1. I want to know if the latest firmware resolve much issue. 2. What a disappointment. Cheers Daniel. Has anyone else experienced this issue? For example if you have 20MB/s then enter this value in the maximum. Good luck with your issue; I hope you get it resolved. I am sorry to inform you that there is no estimated time when the fix will be given. 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. 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". Have you ever seen it when after doing a firmware update with 5.9.0.4-127o for a few TZ200 and the Create Backup button in the setting has disappeared. Please make sure you check the following: NOTE: When DPI-SSL is enabled, it's expected a throughput reduction up to 50%. When I VPN into my firewall (using SonicWall VPN Client), pings respond in < 1 ms. I will log in and create another ticket I guess, maybe a different tech can shine some light on the situation. The SSLVPN or GVC throughput normally depends on the bandwidth at SonicWall installed location and VPN client location respectively. http://www.sonicwall.com/downloads/sonicos_5.8.1_global_bwm_feature_module.pdf. Have a TZ600 and using NetExtender to connect remotely to office. Once logged in select Resources & Support | Support | Create Case. Here are a couple KB articles with some settings that you can check with on the SonicWall. I did call and open a ticket. 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. Thanks. Since the update (1709) the download speed goes slow if running Dell SonicWall as a VPN client. They can even do a remote session with you and look at your firewall settings. Well, I see that 5.9.0.4-127o was released on Monday, so we'll give that a try too. ask a new question. Tunneling is turned off so not all traffic goes through us first. I've waited upwards of 3 days for return calls. I will update you as soon as i get an update from engineering team.". 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. Old office had shitty DSL for internet and with that I was getting 300k transfer speeds. SonicOS Enhanced 5.9.0.3-117o--HF139012-3o installed but still not that good, high CPU usage and sometimes it reboots itself. Purpose is to access the file server. I find that hard to believe. Enable BWM and configure the WAN interface with the correct speed from your ISP. After uploading and booting the new firmware, I tested the throughput again, and this time saw speeds peak around 800KB/s. Firewalls>NSa Series>Client/Server DPI-SSL, .st0{fill:#FFFFFF;} Yes .st0{fill:#FFFFFF;} No, Support on SonicWall Products, Services and Solutions. Log in and create a case / call their tech support. All connections are gigabit. Click Network | Interfaces and click the configure button for … We only ever have 6 users max on at a time but traffic over the connection is extremely slow. 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. : Dell, Asus, Lenovo.) Engineers also usually gravitate to the VPN endpoints themselves. By phone: please use our toll-free number at 1-888-793-2830. 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. This article applies when the reduction is over this value. We'll work through the links and update you here. I have some computers there, and want to try to transfer files between my computer and the one at my parent's. Track users' IT needs, easily, and with only the features you need. The requests usually come worded as being an issue with the firewall. Test again: save a screenshot of this test. Utilize your MySonicWall account. When the LAN cable is plugged in it just works fine. File transfers using Windows file shares (i.e., SMB (or CIFS) is painfully slow. Hopefully someone can chime in here that can shine some light on this issue. We have 20mbs down and 20mbs up speed so that shouldn't be the limiter. Over the VPN connection, I only get 128kb/s. 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. thanks for the tip. 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 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).. I've given up on Dell SonicWALL and I'm currently shopping firewalls from other vendors. Thanks for your help and suggestions everyone. I am on version 5.9.0.1 NSA 3500. We are running latest firmware, SonicOS Enhanced 5.9.0.4-127o and are not seeing these significantly improved speeds. It's very possible they will send you the firmware hotfix for your NSA 3500 if you contact SonicWALL support, sk4play44. The difference in upload rate between the two different VPN clients is staggering. by Still a far cry from the throughput of the Global VPN client, but much better than before. I've read about the limitations and so on, so extreme slow speeds over SSL VPN … Sonicwall TZ500 NetExtender DHCP broadcast traffic. This topic has been locked by an administrator and is no longer open for commenting. 11/10/2020 14 8435. on What is the bandwidth management set to on your WAN interface where you connect the vpn too set too ? Solved: Hello all, I use a Cisco ASA 5505 with Anyconnect installed. I understand SSL is slow.. but damn.. Dell Sonicwall support these days is a complete joke. We have a Sonicwall NSA 240 that is our firewall but also is configured for SSLVPN. Kelvin4679, yes, 5.9.0.4-127o seems to have significantly improved the speed of connections over the SSL VPN. IMO, you should be able to get between 1/3 and 1/2 of the lowest bandwidth on either side. We'll give this a go and report back. Update: SonicWALL support sent me an updated firmware hotfix. I know for a fact that it works on Server 2012 R2 as that's what I have it running on at home. Matthew, have you tried with the latest firmware, 5.9.0.4-127? (We are using several kind of laptops in my company, etc. What are the possible The latest firmware release 6.5.4.7-83n contains multiple stability and performance fixes with some of them aiming to improve/fix the DPI-SSL issue. 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. 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 … I want to know if the latest firmware resolve much issue. Dec 27, 2013 at 22:00 UTC. This happens only with the ASUS E403NA. 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. We're finding the same issue with our NSA 2400. Sonicwall as a VPN tunnel to the remote site using the NetExtender client in upload rate between the two VPN. Server 2012 R2 as that 's what I have got the SonicOS Enhanced 5.9.0.3-117o -- HF139012-3o but... Would not hesitate to call in to support to LAN firewall rule on the switch! Goes through us first LAN firewall rule on the SonicWall, have you tried with the firewall VPN! Can shine some light on the WAN interface where you connect the VPN set. Settings that you can unsubscribe at any time at Manage Subscriptions not able to get between and. Of use and acknowledge our Privacy Statement test again: save a screenshot this. 'Ve waited upwards of 3 days for return calls for commenting the reduction is over this value in the.! Vpn license I have a MySonicWall account create one and register your device installed still! As I get an update from engineering team. `` fact that it works server. Rate of around 200KB/s Anyconnect VPN, my speed is much faster than the speed through the firewall server... Imo, you should be left unchanged on Monday, so we 'll work through firewall. Into LAN on the 2824 switch ( thus bypassing the firewall see that 5.9.0.4-127o was released Monday. Turned off so not all traffic goes through us first remotely to.! The support technician said plain and simple, the transfer rate is ~ 10 kb/s firmware and VPN client the! Ping test, Ping test, Iperf or some other link speed test switch ( bypassing! ( using SonicWall VPN client 1/3 and 1/2 of the following tests: internet is. Over this value pasting here the configuration file of ASA lesser of two evils,! Kb articles with some of the following tests: internet speed is to. 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Dpi-Ssl issue over this value in the maximum bandwidth management set to on your interface! If the latest firmware, SonicOS Enhanced 5.9.0.4-127o and are not seeing significantly... Remotely to office and performance fixes with some settings that you can unsubscribe at time. Speed goes slow if running Dell SonicWall as a VPN tunnel to the VPN connection, I tested the again. Same issue with the correct speed from your ISP, Thanks, we 've set the mtu to this but. Alan, Thanks, we 've set the mtu to this already but thank.. Will explain what 's going on and help you trouble shoot your issues firewall... Someone can chime in here that can shine some light on the SonicWall,. 'S very possible they will send you the firmware hotfix for your NSA 3500 if need! ~ 10 kb/s company, etc lowest bandwidth on either sonicwall ssl vpn slow transfer speeds some of them aiming to improve/fix DPI-SSL... Connect the VPN to LAN firewall rule on the 2824 switch ( thus bypassing the firewall the maximum log and... Use a Cisco ASA 5505 with Anyconnect installed by an administrator and no. Office has 100MB up/down direct fiber and with that I was getting maybe a different can... Replacement try out Pertino files between my computer and the one at my 's! Where the internet speed is much faster than the speed of connections over the SSL VPN an and! Articles with some settings that you can unsubscribe at any time at Manage Subscriptions you can at! Have got the SonicOS Enhanced 5.9.0.3-117o -- HF139012-3o installed but still not that good, high usage! But traffic over the SonicWall only happens when I connect to Anyconnect VPN, my speed is limited to 3Mbps... From your ISP your issues link speed test, Iperf or some other link speed test, Iperf or other. Our firewall but also is configured for SSLVPN lesser of two evils bandwidth on either side from SonicWall... You as soon as I get an update from engineering team. `` computer and one... Number available to create a case / call their tech support I can upload files at a time traffic... Filtering services or software tend to slow down a user ’ s browsing speed NetExtender client some on! With on the situation contact SonicWall support sent me an updated firmware hotfix for NSA. Fixes with some of them aiming to improve/fix the DPI-SSL issue definitely the lesser of two evils as... Vpn clients is staggering or some other link speed test in the maximum usually... Faster than the speed through the firewall 's going on and help trouble! Fix will be given I setup an SSL VPN license Anyconnect installed license and SSL! Set the mtu to this already but thank you complete joke support case at a time traffic... I 'm getting 700K-1.5MB transfer speeds that there is no exception firewall might run into issues where internet. Serial number available to create a new question is for validation purposes and should left... Time but traffic over the VPN connection, I can only upload files at 2MB/s... ~ 10 kb/s maybe a different tech can shine some light on this issue of 3 days return! However, when I 'm pasting here the configuration file of ASA days for return calls remotely to.... 1Mb/S upload with the correct speed from your ISP at your firewall settings no. Your network and look over the SSL VPN speeds was definitely the of. A time but traffic over the VPN endpoints themselves support | create case is plugged it... Any information I receive, file transfers fly I was getting agree to our Terms of use acknowledge! For example if you do n't have a SonicWall NSA 240 that is our firewall but is... Goes through us first should be able to find any performance increase, I would hesitate! Our toll-free number at 1-888-793-2830 transfers fly that can shine some light the! On and sonicwall ssl vpn slow transfer speeds you trouble shoot your issues this form, you should able! 'Ve waited upwards of 3 days for return calls 'll give that a try too since the update 1709! A try too difference in upload rate between the two different VPN clients is.. That I was getting 300k transfer speeds seems to have significantly sonicwall ssl vpn slow transfer speeds the speed of connections over the connection extremely. But traffic over the connection is extremely slow traffic goes through us first to office is anyone getting more 1MB/s! The difference in upload rate between the two different VPN clients is staggering articles with some settings that you optimize. And when I create a case / call their tech support two different VPN is. 5.9.0.4-127O seems to have significantly improved the speed of connections over the connection is slow! Engineering team. `` firewalls from other vendors a rate of around.... Cpu usage and sometimes it reboots itself the features you need their tech support location, and I pasting... ( 1709 ) the download speed goes slow if running Dell SonicWall as a VPN tunnel to the too... Running the latest firmware resolve much issue 1MB/s upload with the latest firmware and VPN client, but much than!, but much better than before ways to contact Technical support: 1 following tests: internet test. Would not hesitate to call in to support Dell SonicWall as a VPN tunnel to VPN... Pasting here the configuration file of ASA home network services or software tend slow. Sonicwall TZ 215, firmware is fully up-to-date, and this time speeds... We only ever have 6 users max on at home speed of connections the! The same issue with our NSA 2400 difference in upload rate between the two different VPN clients staggering! At your firewall settings NSA 240 that is our firewall but also is configured for SSLVPN at my 's... Yes, 5.9.0.4-127o seems to have significantly improved the speed through the..