Category: Secure Mobile Access Appliances. If you have a ratty or old cable, swap it out. At this point, we think the common thing is the firmware version and model. Click Network | Interfaces click on the configure button for the WAN interface and then Advanced. A quick test from inside a Win 10 virtual machine with latest NetExtender was much worse, but this could have other reasons. While interfaces will auto-negotiate their speed and duplex status, this might not set the correct mode. As for the other issue, I guess I cant say for sure as Ive never used a gigabit connection without a firewall in front of it. We have a few TZ350's experiencing very low throughput. Like, 1 to 2Mbit/sec. With NetExtender, remote users can virtually join the remote network. We just tried another Vendor also SSLVPN TLS and DTLS, and we could reach 150Mbits+. SONICWALL: Where are the Access Policy logs (and how to activate them), Netextender wont connect after DC migration, Sonicwall Capture ATP Destination IP is not mine, https://www.sonicwall.com/tz-entry-level-firewall-series-products-compare-2/. I've seen, especially on Comcast, where locking the Comcast port to 1G and the Sonicwall [in this case X1] to 1G results in a much faster, smoother response. was 10Mbit. Talk to your ISP, ask them if there's noise or unusual errors on your connection. The TZ300 should be able to do almost everything with 40M ISP line. This says something entirely different to you. We are seeing consistent speeds whether it's wired or wireless, and from different computers/servers too. Thanks for your answer changing from Maximum Security to Performance Optimized heavily improved the speed. We also tried a web server behind the Firewall for SSL throuput testing and there are no throughput problems. The fix for this is to install Sonicwall Mobile Connect on Windows Store, and use VPN settings in Windows. If so, disconnect the connection, reboot the machine and install NetExtender again. There was only one user connected and both lines had enough free capacity. I did some simple internal checking (MobileConnect macOS, Tunnel All, speedtest.net) and got full speed on a SMA 500v with two Atom C3000 cores. There are security, configuration, and support concerns with split tunneling, make sure you are aware before implementing it. You can decide if this is a valid change for your organization [I have done this for many, including health care customers with no ramifications, but it's very much a Your Milage May Vary]. Or did you do a speedtest just for kicks and noticed this? https://answers.microsoft.com/en-us/windows/forum/windows_10-networking/wifi-issues-with-creators-update/4a20ba4f-33dc-4397-9823-e12dcb2607ba?auth=1, https://community.sonicwall.com/technology-and-support/discussion/comment/7168#Comment_7168, https://community.sonicwall.com/technology-and-support/discussion/comment/10549#Comment_10549. This can affect SonicWall's WAN throughput if any VPN policies are configured and enabled, even if they aren't established. By the way, Global VPN Client works just fine, it's the SSLVPN that won't work. If problem still exists, obtain the following information and send them to support: TZ350 Poor throughput. Check the specifications of the SonicWall You may need to check if the SonicWall is certified to carry the throughput from your network or if it can match the throughput of your internet connection. 4. If I use my laptop on wifi, the slowdown does not occur (after I use the automated fix from Microsoft), I'm on Windows 10 Pro 19043.1110, using a dell xps 8940 Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz 16.0 GB RAM. donpachi ps1 rom; factory reset aruba switch 2930f; medieval bestiary. We have a Windows XP computer (don't ask) with network shares that, as of yesterday, are no longer reachable by other computers on the LAN. I realize that SSLVPN will be much slower, but it shouldn't be this slow. Scenario #5: Your router is causing connectivity issues, like failure to reach remote the server. Test while workstations are directly wired to the sonicwall (to identify/eliminate any issues with your LAN/Switch if there is any). I called tech support, and just for the hell of it, he tested SSLVPN from the TZ215 instead of the SRA, and it's the same results. TIP: It is recommended to enable this option and leave the Ignore DF Bit option unchecked under IPsec | Advanced on the SonicWall GUI. The TZ350, with all security services enabled, should perform at 350mbps. 3) Click the Advanced button. Netextender slow throughput SonicWall Community Home Technology and Support Secure Remote Access Secure Mobile Access Appliances Netextender slow throughput Xronos Newbie February 2021 We are using a SMA200 and SMA500v mainly for clientless access. From a previous post just last week, you can change the Sonicwall from "Maximum Security" to "Performance Optimized" under "Security Services" -> "Summary". 3.8 on 45 votes. To sign in, use your existing MySonicWall account. Check your port counters and event logs on the sonicwall, make sure you're not getting bad frames, check the connection at the modem, make sure everything is in good condition and tightly secured into the ports. Thanks for everyone's help so far, and I'll keep you updated as more suggestions come in and I implement them. All rights Reserved. The following table provides articles pertaining to throughput Issues with the firewall Data Sheets: SSLVPN Timeout not working - NetBios keeps session open Configuring a Virtual Access Point (VAP) Profile for Internal Wireless Corporate Users How to hide SSID of Access Points Managed by firewall Categories Firewalls > TZ Series To create a free MySonicWall account click "Register". Have you tried other versions along with Chojin's suggestions? We repeated the test again and again but still the max. perform speedtests from various sources on your ISP line (DSL reports is a good go-to https://dslreports.com/speedtest ). Navigate to Windows Service manager under Control Panel > Administrator Tools > Services. Because of new requirements we deployed netextender to some notebook in tunnel all mode. Ill further evaluate how this affects the overall security. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. With all security services off, we should be able to route traffic at 1Gbps, now even with a fair bit of marketing bs, that number is still 35% of advertised numbers, which isn't going to be the case. Check out https://www.sonicwall.com/tz-entry-level-firewall-series-products-compare-2/Opens a new window for specifications and speeds with different protections turned on/off. On a Gigabit connection even with all security services off, we are getting 350Mbps, but with security on, we are seeing 30Mbps on 2 devices. We have tried even the Diagnostic Bandwidth Test on the SMA appliances and others like Iperf and they both result on the same situation leaving the issue hinging on the latency of the location. I hope y'all keep the suggestions coming, because we're at the point now where SonicWall is pointing the finger at the ISP saying my MTU is too low. When services are turned on, 30 mbps sounds like youve got the checkbox for TCP Stream checked in Gateway Antivirus. Problem: horrifically slow throughput across the SonicWall (wasn't my decision) SSL VPN. Some knows how we can change this behavior? HITMO TOP-500. We have a Sonicwall TZ300 firewall connected directly to router of the ISP. However, when I connect myself directly to the router of the ISP, I get around 40 Mbps download. Now, when I make a speedtest behind the firewall, all I get is around 20 Mbps download. I appreciate everyone's input so far, and I've tried everything short of buying an SSL cert (as suggested) and no luck. We had some simliar issue with Win 10 1803,1809,1903 on some PCs with the upgrade to 1909 or 20H2 and an update of the LAN/WiFi drivers this issue was solved. NetExtender Uninstall/Disappears from PCs Randomly, SSLVPN to another site to cloud site IPnot working, Press J to jump to the feed. Was there a Microsoft update that caused the issue? Is the BW utilization histogram flatlining at 20 Mbps? Using Point-to-Point Protocol (PPP), NetExtender allows remote clients seamless, secure access to resources on your local network. If we are testing the throughput (iperf) between those without VPN, and we could reached nearly the 200Mbits but over VPN we got only around 10Mbit. NetExtender creates a virtual adapter for secure point-to-point access to any allowed host or subnet on the internal network.. 3. Dell SonicWALL NetExtender is a software application that enables remote users to securely connect to the remote network. Welcome to the Snap! The NetExtender throughput seems to never go above about . Scenario #4: Incorrect VPN protocol configuration . Check the status of the WAN interface of the Sonicwall. Nothing else ch Z showed me this article today and I thought it was good. That doesnt sound right. It's entirely possible it's an ISP issue, or a cabling issue, or a LAN/Switching issue, or it could be the sonicwall itself underperforming - it may need a factory reset and reconfigure, or it could need an RMA. Select Enabled from the Tunnel All Mode drop-down list to force all traffic for this userincluding traffic destined to the remote users' local networkover the SRA NetExtender tunnel. NSa 2650, firmware 6.5.4.6-79n. Because of new requirements we deployed netextender to some notebook in tunnel all mode. We also did a test with an pfsense firewall. On the sonicwall- we dont have DPI enabled- CPU rate is always low- we dont have Bandwidth Management enabled- we dont have any Bandwidth limitations set on the WAN interface- we have the latest firmware installed. To sign in, use your existing MySonicWall account. Our internet bandwidth is 40 Mbps download, and 20 Mbps upload in one of our offices. I've just run into this issue myself and a fix seems to be disabling software compression in NetExtender client. On a Gigabit connection even with all security services off, we are getting 350Mbps, but with security on, we are seeing 30Mbps on 2 devices. Allow Fragmented Packets in Access Rules Click on Policy in the top Navigation menu. To create a free MySonicWall account click "Register". So i guess is a related issue of the SMA. NetExtender is an SSL VPN client for Windows, Mac, or Linux users that is downloaded transparently and that allows you to run any application securely on you company's network. I've checked various forums and tried everything from using Bandwidth Management (I normally don't) and specifying 100,000 as the ingress and egress, but that doesn't change anything. Scenario #2: VPN traffic is being blocked by your firewall. If nobody else is connected via VPN, a single user can be kinda productive. It looks like there is an internal limitation per user. To add NetExtender client routes, perform the following steps: 1. I'll give it another try from a Windows 10 client at home over the weekend and report back. If this is not affecting anyone, i would leave it as is and then plan to upgrade the FW as soon as you can. @Ajishlal Firewall is not a Sonicwall. 2) VPN section -> Click Traditional mode configuration button. One would think that if my MTU is that big of a problem, I'd see problems on the WAN in general, but everything is smooth sailing except SSLVPN. Go to Settings > Advanced > Advanced Network Properties > Options Tab > PPP Settings and uncheck software compression. The upload is relatively similar, around 15 Mbps, with or without the Sonicwall in . Reddit and its partners use cookies and similar technologies to provide you with a better experience. Press question mark to learn the rest of the keyboard shortcuts. SonicWALL SSL-VPN NetExtender . Yes, since posting that, we have turned off TCP Stream, and speeds are up from 30/30 to 180/180 on the same connection. It is not related to the sonicwall settings, as my speed is very fast before the global connect VPN client is started (450-500mbs) As soon as I open global connect VPN client (and before I connect to the VPN) speed drops to 80mbs. NetExtender is an SSL VPN client for Windows, Mac, or Linux users that is downloaded transparently and that allows you to run any application securely on you company's network. you got something goofy is my guess. Here are some basic troubleshooting steps to follow. Navigate to Device Manager and check if the Dell SonicWALL SRA NetExtender Adapter has been installed successfully. The NetExtender throughput seems to never go above about 20kbps, but usually hovers around 3kbps. I've tried using the FQDN and the IP address of the share, and there's no difference. Tested this morning on my laptop, Win10 20H2, NetExtender 10.2.300. No need to loosen security if it is just affecting the speedtests. We have firmware 6.5.4.x series on all devices. FreebitCloud SSL-VPN Credential or ssl vpn configuration is wrong (-7200) . On the third connection we are getting 100Mbps download, but only 30Mbps upload on a 100Mbps line (up and down). Copyright 2022 SonicWall. by 90%). The above subjected issue due to the Windows 10 and the wireless adapter.The solution is to disableReceive Segment Coalescing on the wireless adapter. Using Point-to-Point Protocol (PPP), NetExtender allows remote clients seamless, secure access to resources on your local network. remember to use https:// in front of WAN. Sonicwall TZ-500 - F/W Ver: 6.2 Thanks Shmid. Basically, the SRA tech gave up and said call the UTM team, but I'm not expecting anything better from them, so before I do, does anybody have any ideas? Answer: This range is the pool that incoming NetExtender clients will be assigned - NetExtender clients actually appear as though they are on the internal network - much like the Virtual Adapter capability found in Dell SonicWALL's Global VPN Client.You will need to dedicate one IP address for each active NetExtender session, so if you expect 20 simultaneous NetExtender sessions to be . Scenario #3: VPN traffic is blocked by your antivirus application. Make sure you lock all port speeds on the Sonicwall to 1G provided you can do the same to the interface the Sonicwall is plugged into. Check if there is another dial-up connection in use. Now, when I make a speedtest behind the firewall, all I get is around 20 Mbps download. Slow Internet While connected via GVC and Nextentender msmfarhan Newbie February 2021 I am noticing this behavior in most of the users that use GVC and Nextender. backup config, reset to factory and test. Your daily dose of tech news, in brief. I think its normal that the firewall slows down the traffic up to a certain degree, but a loss of 50 % of performance seems too much to me or whats your experience?Are there any other configuration settings I should have a look at? If not, set them to automatic start, reboot the machine, and install NetExtender again. Also our CPU is entirely maxxed out at that on a single core. Additional information - this does NOT happen with netextender, only GVC. However, when I connect myself directly to the router of the ISP, I get around 40 Mbps download. My ISP gives me 130Mbps down / 30Mbps up. You want to do the same with the LAN [X0] side if the switch your plugged into can be locked to 1G. All rights Reserved. by 90%). I have to check with other users if it's the case with the drivers. As I know that some old Firmware have known issue with throughput for traffic coming through the SMA. Is it possible to allow access to a couple of public IP addresses via the SSL - VPN for remote users, BUT any other WAN access via their own internet? Download . It works fine while configuring the VPN manually using Mobile app downloaded from Microsoft store. One of the devices starts at around 35 and runs for a while then jumps to 150Mbps on a 200Mbps connection. We have a few TZ350's experiencing very low throughput. Flashback: Back on December 9, 1906, Computer Pioneer Grace Hopper Born (Read more HERE.) Re: Site-to-Site VPN with SonicWall failing ph 1 - DH group mismatch. If not, delete the adapter from the device list, reboot the machine and install NetExtender again. And I am using Split tunnels in the VPN settings. Make sure that it the connection is full duplex, and at the correct speed. While connected internet speed dramatically decreasing (app. To continue this discussion, please ask a new question. One of the devices starts at around 35 and runs for a while then jumps to 150Mbps on a 200Mbps connection. The fix appears to work with wifi, but not an ethernet connection. The upload is relatively similar, around 15 Mbps, with or without the Sonicwall in between. They are all connected to the same ISP, however, we have TZ370's connected in the same config working fine it seems, TZ400's also working OK. We only run speedtests wired. We have a TZ 400 connected to an identical line to an identical ISP getting line speed and isn't even at 40% utiliztion. Some are marginally better, but they are all well underperforming. Details can be found at the following Microsoft Answers link: I have the same issue with an Ethernet connection. My ISP is Comcast Business, and it's a 100 Mbps pipe. Navigate to the NetExtender > Client Routes page. One more thing I noticed recently even when disconnected from Netextender, internet was slow until the application is totally closed. We found the solution. MTU Test in a VPN Environment experiencing throughput issues EXAMPLE: Ping -f -l 1464 www.yahoo.com If the ping is successful (no packet loss) at 1464 payload size, the MTU should be "1464 (payload size) + 20 (IP Header) + 8 (ICMP Header)" = 1492 1464 Max packet size from Ping Test + 28 IP and ICMP headers 1492 should be your optimum MTU Setting The SonicWall NSA 3600 comes in a 1U rack form factor and has the same connectivity layout as the 4600 and 5600 models. Make sure your NIC drivers are up to date when you do. Users can set the interface to its proper status in settings. if you turn off security services and only get 350Mbps, there's something wrong. Outlook 2007 slow throughput for attachments Ok so is no confusion the issue isnt a slow connection to the mail server or slow to submit email it is a low throughput 9 software is enabled - SonicWall Connecting to runs over the Internet my internet connection without Dropped Packets; Slow Throughput Wireless-AC 7265 - 8265 software is enabled . Are your end users complaining about slowness? Create an account to follow your favorite communities and start taking part in conversations. I can connect just fine, but throughput is abysmal to the point of not being able to copy even a 3 MB file from my file share, it just crashes explorer. If we are connecting 2 Users, we get for each User 10Mbit. Try turning that off. Assuming you have the Sonicwall setup as an interoperable device on your CheckPoint side: 1) Open the Sonicwall gateway properties in Dashboard. This will tell the Sonicwall to not test/block "low" attacks [most of these, the Windows systems can easily block]. Always the same bad results. We have a Sonicwall TZ300 firewall connected directly to router of the ISP. What is the Firewall firmware in front of the SMA appliance? I called tech support, and just for the hell of it, he tested SSLVPN from the TZ215 instead of the SRA, and it's the same results. If you look at the multi core monitor, do you see 100% utilization on one of the cores? We can do these tests, however, we are seeing consistent speed issues across all of our 350's. Test wired, test wireless (if you have a w-series unit). Sonicwall VPN slow throughput: The greatest for most people in 2020 several Sonicwall VPN Sonicwall VPN slow throughput: Freshly Published 2020 Update While a VPN design protect your. I am noticing this behavior in most of the users that use GVC and Nextender. Yes, the issue does appear to be CPU constraints, when we are testing with speedtests and the speeds are returned CPU is at 100%. This will only send traffic with a destination of the remote LAN over the VPN, and all other traffic handled as normal. Suspecting MTU issues, I ping with the -f -l switches and the packet wants to fragment until under about 1250. EDIT: Spent another two hours with the UTM people, and they can't figure it out either. The alternative is to set up the VPN as a split tunnel (Google that keyword). I realize that SSLVPN will be much slower, but it shouldn't be this slow. The SSL VPN throughput for those is about 35 Mbps symmetrical for both on customers that have Upload of about 50 Mbps up to 300 Mbps. Microsoft actually provides an automated fix as a download. And, check that your Sonicwall speed is as expected. Mine and others have a popup asking if we want to open the file and once I click on open, it We have a bunch of domains and regularly get solicitations mailed to us to purchase a subscription for "Annual Domain / Business Listing on DomainNetworks.com" which promptly land on my desk even though I've thoroughly explained to everyone involved that enable or disable Do not send ICMP Fragmentation Needed for outbound? By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. if you take out the security services and go to stateful firewalling, you should get more than that, by quite a bit (upwards of 1Gbps). Another throughput issue - SSLVPN. I have tried with latest versions of Netextender and GVC and the windows version 2004 and 20H2. Troubleshooting Network Throughput, Latency, and Bandwidth Issues with a SonicWall UTM Optimize MTU for VPN Minimum Bandwidth, Latency and Keep Alive for a Tunnel Client Connection To troubleshoot speed or throughput issues with the SonicWall How to use iPerf to measure Throughput on a SonicWall device While connected internet speed dramatically decreasing (app. If all else fails, test the internet and sonicwall separately. Opened a case with support this morning - any SSLVPN user is seeing maximum 4Mbps throughput in either direction, regardless of the underlying ISP connection speed. This topic has been locked by an administrator and is no longer open for commenting. I've just set up a Sonicwall SRA Virtual Appliance in order to set up my VPN for 2-factor authentication. What version of NetExtender / GlobalVPN client are you using? Repeat the sonicwall tests with security services off (in Stateful firewall mode). Computers can ping it but cannot connect to it. It works like a charm! Reason is that we have two public servers only accessible from one location where the Sonicwall is. By the way, Global VPN Client works just fine, it's the SSLVPN that won't work. They have an broken code issue in the latest updates of net extender, this applies to all net extenders on the latest updates of Windows 10, v2004 and v1909 included. Some of the more common sizes are 1492, 1474, 1468. I'm not comfortable saying that the sonicwall is even to blame right now, there's simply not enough information. Connect a system running a iperf server on the WAN, connect another system to run an iperf client on the LAN port, and test using known-good cables and systems. And I am using Split tunnels in the VPN settings. Access loses it's mind more than is pleasant. https://www.sonicwall.com/tz-entry-level-firewall-series-products-compare-2/. However, once under the fragmentation level, my ping requests time out. 3. I think my favorite is #5, blocking the mouse sensor - I also like the idea of adding a little picture or note, and it's short and sweet. Anyone know of any issues or workarounds or any information at all? A place for SonicWall users to ask questions and to receive help from other SonicWall users, channel partners and some employees. They had to patch our walls at like two in the morning. We are using a Cisco Firepower running on the latest recommended version. We are using a SMA200 and SMA500v mainly for clientless access. Copyright 2022 SonicWall. Users can mount network drives, upload and download files, and access resources in the same way as if they were on the local network. Network shared Excel files frequently need to be opened in protected mode. The Corporate line is 500/500Mbit and the client side line is 200/200Mbit. So, we do not understand the internal limitation of the SMAs. 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