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