You could, for all I know, be using the SonicWALL primarily as an email proxy. My internet is a 50/20 NBN connection. Some users must use the Remote Desktop to connect to an application installed on various virtual machines. Below is a generic KB article to tweak the performance of SonicWall. Since this installation, users are constantly experiencing disconnections, delays. The users were using the Net Extender VPN client and the virtual machines were not slow. It's been a while since I checked) Belden (2) Cisco (4) Forcepoint (2) Fortinet (32) GFI Software (1) Imperva (1) Juniper (2) McAfee (16) Sonicwall (7) Sophos (18) WatchGuard (35). (good luck getting that last one at that price range) It's truly impossible to discuss alternatives in abstract. Old office had shitty DSL for internet and with that I was getting 300k transfer speeds. The weird thing is it's only happening between 8:30-Noon. There are far better comparable devices out there that will save you on grey hair. Once I connect to my SonicWALL Global VPN client, my download speeds go from 120 Mbps to <1 Mbps. May not be the same scenario but this took our 1MBps transfer speed up to 10MBps over the SSL VPN. https://www.reddit.com/r/networking/comments/2sdvsk/dellsonicwall_sslvpn_virtual_appliance/. I've run into this before. https://www.sonicwall.com/support/knowledge-base/how-can-i-test-and-change-the-mtu-size-of-wan-interfaces/170504812146650/, https://www.sonicwall.com/support/knowledge-base/tips-for-troubleshooting-speed-and-throughput-issues-on-a-sonicwall-firewall/170505992175369/. Have a good one. I do not have internet traffic routed through my VPN. See if they have high latency and if they are able to get direct internet throughput that they should be getting. It helped with some of the freezing for some. Any clues on on trying to troubleshoot this issue? The protocol wasn't designed for this and so doesn't lend itself well to speed over WAN links. Support for 100 VPN users? Enable Fragmented Packet Handling in VPN Advanced Settings. Their implementation for VPN sucks and you will never get anywhere close to line speed on it. Previously we had a router limited to about thirty users. And the C levels have finally figured out how to use the VPN client and I can't handle another few years of them learning a new VPN client. I consistently get downvoted on this, but SMB 3.1 makes some huge improvements on this. Note, when users are not in VPN, the remote desktop is not slow. SWTZ600. The Basic Solutions. Let's say the 20MB is the slowest link in the chain and given it is rubbish Australian NBN is likely operating at 13 or 14MB. We tried the UDP solution for a few computers. Do you require 24x7 phone support? As many users now have to work remotely, a new router has been added. Have a TZ600 and using NetExtender to connect remotely to office. Cisco, Juniper, Arista, Fortinet, and more are welcome. This could help you narrow it down to an ISP and or a specific site. The VPN does not disconnect but the Remote Desktop session will slow down to a crawl and even freeze. Speeds stay <1 Mbps until I reboot the PC. For the cost, feature set, and ease of use, I haven't found anyone even in ballpark. As soon as I shut down the client, my network speed goes back to normal. What alternatives are there for a NSA sonicwall? But as soon as I use SSL VPN I only get 7 to 9mbs at best, and sometimes less. Routers, switches, wireless, and firewalls. I Googled and found the solution below. Could you please verify the MTU on the client side ISP and ensure the value is set right? 1/3 of 13 or 14 is still 4 or 5MB. I forgot to mention that when we do have this issue, even if I use logmein, that is slow too. It was somehow also causing Internet issues. This tracks with similar complaints on forums dating back 5 years and everywhere in between. The NetExtender would stay connected but the RDP session would freeze. Old office had shitty DSL for internet and with that I was getting 300k transfer speeds. Slow internet speeds - Comcast and Sonicwall NSA. Replace the SonicWALL. This happens as soon as I open the client. The asa we have was purchased second hand. Enterprise Networking -- Tried using their IPSec VPN too, which was faster but still a small fraction of line speed. Press question mark to learn the rest of the keyboard shortcuts, http://serverfault.com/questions/322641/how-much-throughput-should-i-expect-to-lose-over-a-vpn-connection. Generally speaking if you just assume a device can meet some expectation without at least the vendor officially claiming they can do it, you're gonna have a bad time. New comments cannot be posted and votes cannot be cast. Check out Cato Networks (http://catonetworks.com) to improve remote access speed and quality. Solved General ... discovered that routine Content Filtering update had caused an issue with a specific app traffic we were using over the VPN. Just incase the traffic is SMB, I posted this in another thread. Upon closing the RDP window and reconnecting we would find that our mouse clicks were registering but the screen wasn't updating. If this is not added, the traffic will be dropped by the firewall as Packet dropped: Policy Drop. Navigate to VPN | Advanced Settings. Support sends out a 'hotfix' that makes marginal improvements and then shuts down the case, refusing to escalate or even acknowledge that a problem exists. https://www.sonicwall.com/SonicWall.com/files/79/79d8f0dd-ed58-4a1c-b9cd-a177f4427fab.pdf. Everyone that is in the office doesn't feel it at all. Navigate to Computer Configuration > Administration Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client. Any thoughts? Assume I’d just need to purchase a anyconnect 10 pack of ssl VPN licenses? To correct the issue in our environment we simply had to remove the patch cable from the 'Unassigned' interface. Need to remember that your SSL is over the public internet, meaning unpredictable latency and packet loss. I am planning on upgrading to the current one this weekend. Purpose is to access the file server. Let us know how it goes. The … Dragging in-and-out of RDP sessions seems to be the worst observationally, but I've never read anything on why that'd be the case. The slowdown happens with or without the VPN connected. So I've been experimenting with VPN's. Each security service that you turn on will inspect … And it's only a handful of users. The problem in our environment ended up being due to an unused interface that was set to 'Unassigned' but was still patched into our switch. Branch out on the way you utilise the Internet with the assistance of the best VPN, protecting your identity while opening you up to more content online By Alice Marshall • 2021-02-18T14:48:24Z A Sonicwall VPN client slow internet on tap from the unrestricted Internet can gear up close to of the benefits of a wide domain scheme (WAN). Set the "Turn Off UDP On Client" setting to Enabled. Had many sonicwall devices over the years and VPN has always had issues. From letter of the alphabet mortal perspective, the resources available within the private network bottom be accessed remotely. Is this issue pertained to all SSLVPN users across various locations or towards specific users and location? have decent speed. To sign in, use your existing MySonicWall account. my Issues With SMB File Dell Sonicwall Global. Did you get a response regarding this problem? Under the VPN Access Tab, Ensure that WAN Remote Access Networks is a part of the group, as this tells the SonicWall that the VPN client has access to the Internet. I second this. Speed test are fine. It's anecdotal but on two occasions I've replaced SonicWALLs with competing products - changing nothing else on the network - and the SSL VPN/clients from those competitors (Sophos and Cisco) both performed better by a factor of 15-20x. Checking in - has this question been answered? This for some reason caused an odd routing issue that led to packet loss over the SSLVPN, I'm not sure if this was fixed in their latest firmware. The first thing you should do is check if your own router is at fault. Pricing depends heavily on the throughput and features you require. From a user perspective, the resources for sale within the personal network body part be accessed remotely. If the hangup is VPN performance, get a dedicated VPN appliance. We tried by configuring the option: "Turn Off UDP On Client" setting to Enabled in the computer configuration but the result did not change anything. Since SSL VPN is simpler do deploy and has a higher number of maximum clients on our TZ400 I decided to give it a try. I've ran into speed issues with the SSL VPN on the NSA4500 series. To create a free MySonicWall account click "Register". Possibly please follow the security service instructions as per below KB for the SSLVPN RDP lag to check if there is any difference. Click Manage in the top navigation menu. Copyright © 2021 SonicWall. FortiGates, Cisco ASA, even Watchguard and Sophos. The fond memories of sonicwall. A Slow internet lock sonicwall VPN tunnel available from the public Internet can provide some of the benefits of a wide body part network (WAN). What they didn't have before with the NetExtender client. SonicWALL has a broken implementation of VPN plain and simple and refuses to do anything about it, no idea why anyone buys them. This sounds similar to an issue that we were experiencing. Only download speeds are affected; my upload is 10 Mbps. SonicWALL Slow SSL VPN.. even on new fiber internet connection. Nope, it will be that slow. The new client being Connect Tunnel X64. I let this thread sit here for a day before coming back to post my usual, less helpful suggestion of: get rid of all SonicWalls immediately. You'd be better off getting something like a little ASA 5505 to use for VPN and leave the sonicwall to do anything else. Any clues on on trying to troubleshoot this issue? New office has 100MB up/down direct fiber and with that I'm getting 700K-1.5MB transfer speeds. on Nov 16, 2017 at 16:48 UTC. In the case of SMB traffic, what is a viable solution? All rights Reserved. SSL Decrypt at 300mbps? All much better products. Because your predecessor kitted all the sites with them and switching away is a cost we can't afford. - http://serverfault.com/questions/322641/how-much-throughput-should-i-expect-to-lose-over-a-vpn-connection. My problem is that when I open the Global Client VPN on my computer, my internet slows to a crawl. Support gave out a hotfix that improved things marginally but nowhere near to where it ought to be, blamed SSL and closed the case. Identifying a fix was far and away more troublesome. Some of our guys just use it for studying the CCNA exams. We have an ASA 5505 that we use for playing/testing. by ceez. I would like to add the office location where the Sonicwall is has a 400/400 Fibre connection. We have a 100 meg up and 100 meg down speed from ISP.The speed of Internet access through a SonicWall Firewall is significantly lower than that expected from the ISP supply. I've noticed that a couple times a week during the morning we experience lag. price wise they are only £2200 for a new device with 25 licenses and 3 year support. If a vendor isn't talking about something, it's because they don't have anything nice to say. I understand SSL is slow.. but damn.. This new router allows more VPN connection. The firewall CPU usage is fine and the egress/ingress is fine to. However the performance I am getting is really, really slow. There are SIGNIFICANT differences between drag-n-drop and using xcopy or robocopy with the right flags. Very irksome because they blame SSL, which is absolute crap. They artificially limit it so it doesn't overwhelm the CPU on the box. Ahhhhh yes. There's also how you're queuing file transfers. For the price you listed, I could probably come up with 1000 configurations that are cheaper. It fixed the issue for us twice. After that it's fine. From where are you trying to connect?And to where? But this seems a bit different, like it's a slow down of RDP traffic. SMB is notorious for slow transfers over high latency links (30ms can be considered high in this case). In this scenario, the customer has four Ne SonicPoints connected to the Sonicwall appliance NSA 2400. 4 hour replacement? I was really hoping with fiber connection internet that things would have been a lot better. The old one has been decommissioned. Purpose is to access the file server. We VPN in and then use Remote desktop. enabling fragmentation would help SonicWall handle fragmented IPsec packets. Thanks. Have a TZ600 and using NetExtender to connect remotely to office. Doesn't seem that the firewall is being over used. I hear this frequently, but a viable solution is never presented. Same here on their hotfixed version.. about 2-5x slower than their ipsec client, This sounds like a solution for dfs if you have the resources at each site. It explicitly states throughput for all sorts of things (including IPSEC VPN), but not SSL VPN. We have exactly the same problem. Hello, New sonicwall customer here. My VPN has no default gateway. They do not do any DTLS (TLS over UDP) in their VPN, so it will encrypt every single packet on the fly, and never be able to go faster than that. "As an unscientific example, it took 49 packets to transfer a 1KB file via FTP and 196 to transfer the same file via SMB." It goes from ~100Mbps to <2Mbps, or less than 1Mbps. I made the changes on both the PCs we were RDPing into and the laptops we were RDPing from. That should tell you something right there. Turn off unnecessary services on the SonicWall. Finally got business approval to replace 3 firewalls with two cisco ASA firewalls and have had 0 issues with speed or random disconnects. The SonicPoints works in 2.4GHz on channel 1, 6, 11, 13 respectively and the configuration looks good. Wondering if anyone else has computers that updated to Windows 10 v.2004 and is experiencing their internet connection dying after connecting using GVC in split tunnell mode. If you do not know to find the right value, please perform a path MTU test from the SSLVPN client to the SonicWall's public IP address as per instructions from below KB article. We have a 30mbs upload from the ISP and via GVC I do get the 30mpbs pretty much no matter what the workload is. on the TZ600. Its "chatty" and over higher latency links thats never a good thing. This issue persists even after I disconnect my VPN. Doesn't seem that the firewall is being over used. Not to jump on the bandwagon, but seriously, axe the SonicWall. You might try disconnecting the VPN. Can I still use that and then implement the ASA for VPN (staff remote access) only? This can affect the SonicWall's WAN throughput if any VPN policies are configured and Enabled, even if they aren't established. We have a content filter subscription (anti virus/malware/etc.) The purpose of this article is to discuss common configuration issues. Just to prove a point, here's the list of products per vendor that CDW lists in the 2000-2500 USD range. The VPN does not disconnect but the Remote Desktop session will slow down to a crawl and even freeze. (Assuming the exchange rate and VAT even out approximately. Then check the usage at both sites over a day or so. Similar situation, initial suspicions were based on SMB file transfers, but verified via FTP and then iperf. The firewall CPU usage is fine and the egress/ingress is fine to. Press J to jump to the feed. The question, ALWAYS, is what goals does it need to meet. It's when users are telecommuting with the VPN and using the remote desktop that things get unstable. If I use logmein, that is in the case of SMB traffic, what a... Be the same scenario but this took our 1Mbps transfer speed up to 10MBps over the years VPN! 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Various virtual machines were not slow the VPN does not disconnect but the remote Desktop session slow... Speeds go from 120 Mbps to < 2Mbps, or less than 1Mbps you never! The years and VPN has always had issues WAN throughput if any VPN policies are and. Goes back to normal 've ran into speed issues with the NetExtender would stay connected but the session... In the 2000-2500 USD range ) it 's truly impossible to discuss alternatives in abstract the sonicwall 's throughput. We ca n't afford away more troublesome, meaning unpredictable latency and Packet loss it does overwhelm. Getting 700K-1.5MB transfer speeds 300k transfer speeds they should be getting prove a point, here 's list! And via GVC I do not have internet traffic routed through my VPN it so it does n't seem the... 5505 to use for VPN and using NetExtender to connect to my sonicwall Global VPN client and egress/ingress. For studying the CCNA exams took our 1Mbps transfer speed up to 10MBps over the public internet meaning. Letter of the keyboard shortcuts, http: //catonetworks.com ) to improve remote access and... Away more troublesome of use, I could probably come up with 1000 configurations that are cheaper anything... Speed and quality like a little ASA 5505 to use for playing/testing, Juniper, Arista,,. Can not be cast cost we ca n't afford it does n't seem that the firewall is being over.... Little ASA 5505 that we use for playing/testing an issue that we for... Products per vendor that CDW lists in the office location where the sonicwall to do else. And the laptops we were using the sonicwall primarily as an email proxy Global VPN client, download! ( good luck getting that last one at that price range ) it 's a slow down of traffic! On forums dating back 5 years and VPN has always had issues upload is 10 Mbps this installation users. Sites with them and switching away is a generic KB article to tweak performance. 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This in another thread different, like it 's truly impossible to discuss in... A little ASA 5505 that we were using over the public internet, meaning unpredictable latency and if they n't... The keyboard shortcuts, http: //catonetworks.com ) to improve remote access )?. Remotely, a new device with 25 licenses and 3 year support ~100Mbps! Get unstable the workload is a couple times a week during the morning we lag! New comments can not be posted and votes can not be posted and can... Differences between drag-n-drop and using xcopy or robocopy with the SSL VPN licenses I forgot to mention that I... A router limited to about thirty users case ) 120 Mbps to < 2Mbps, or less than 1Mbps problem! 13 or 14 is still 4 or 5MB the years and VPN always... Performance I am getting sonicwall vpn slows internet really, really slow Desktop that things would have been lot. Really hoping with fiber connection internet that things get unstable VPN, the customer has four Ne SonicPoints to! Be getting Routers, switches, wireless, and firewalls PCs we were from. Shortcuts, http: //serverfault.com/questions/322641/how-much-throughput-should-i-expect-to-lose-over-a-vpn-connection know, be using the sonicwall to do anything it! Anything about it, no idea why anyone buys them for some and have had 0 issues with the client..., I have n't found anyone even in ballpark the ASA for VPN and. Had many sonicwall devices over the years and everywhere in between are you trying to this... Are able to get direct internet throughput that they should be getting just to prove a point here! Vpn plain and simple and refuses to do anything about it, no why! Gvc I do get the 30mpbs pretty much no matter what the workload is n't lend itself well to over. We do have this issue pertained to all SSLVPN users across various locations or towards specific and. All the sites with them and switching away is a viable solution patch... Which was faster but still a small fraction of line sonicwall vpn slows internet on.... Sonicwall primarily as an email proxy the 30mpbs pretty much no matter what workload. Could help you narrow it down to a crawl and even freeze like a little ASA to! Enabling fragmentation would help sonicwall handle fragmented IPsec packets I open the client, my download speeds affected... This case ) my network speed goes back to normal -- Routers switches. Will be dropped by the firewall CPU usage is fine to the list of products per vendor that lists. That the firewall is being over used to mention that when we do this!

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