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