sonicwall netextender slow throughput

The SonicWall NSA 3600 comes in a 1U rack form factor and has the same connectivity layout as the 4600 and 5600 models. 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. So i guess is a related issue of the SMA. The upload is relatively similar, around 15 Mbps, with or without the Sonicwall in . One of the devices starts at around 35 and runs for a while then jumps to 150Mbps on a 200Mbps connection. We can do these tests, however, we are seeing consistent speed issues across all of our 350's. Your daily dose of tech news, in brief. Thanks for your answer changing from Maximum Security to Performance Optimized heavily improved the speed. The alternative is to set up the VPN as a split tunnel (Google that keyword). Also our CPU is entirely maxxed out at that on a single core. Suspecting MTU issues, I ping with the -f -l switches and the packet wants to fragment until under about 1250. Nothing else ch Z showed me this article today and I thought it was good. If you look at the multi core monitor, do you see 100% utilization on one of the cores? Allow Fragmented Packets in Access Rules Click on Policy in the top Navigation menu. Sonicwall TZ-500 - F/W Ver: 6.2 Thanks Shmid. While connected internet speed dramatically decreasing (app. I realize that SSLVPN will be much slower, but it shouldn't be this slow. Flashback: Back on December 9, 1906, Computer Pioneer Grace Hopper Born (Read more HERE.) We also tried a web server behind the Firewall for SSL throuput testing and there are no throughput problems. 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 . This can affect SonicWall's WAN throughput if any VPN policies are configured and enabled, even if they aren't established. If we are connecting 2 Users, we get for each User 10Mbit. All rights Reserved. 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. 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/. The Corporate line is 500/500Mbit and the client side line is 200/200Mbit. 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. 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. A quick test from inside a Win 10 virtual machine with latest NetExtender was much worse, but this could have other reasons. Users can set the interface to its proper status in settings. 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 repeated the test again and again but still the max. Is the BW utilization histogram flatlining at 20 Mbps? On the third connection we are getting 100Mbps download, but only 30Mbps upload on a 100Mbps line (up and down). Because of new requirements we deployed netextender to some notebook in tunnel all mode. https://www.sonicwall.com/tz-entry-level-firewall-series-products-compare-2/. Navigate to Device Manager and check if the Dell SonicWALL SRA NetExtender Adapter has been installed successfully. Copyright 2022 SonicWall. 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. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. perform speedtests from various sources on your ISP line (DSL reports is a good go-to https://dslreports.com/speedtest ). Scenario #2: VPN traffic is being blocked by your firewall. NetExtender creates a virtual adapter for secure point-to-point access to any allowed host or subnet on the internal network.. To add NetExtender client routes, perform the following steps: 1. Details can be found at the following Microsoft Answers link: I have the same issue with an Ethernet connection. One of the devices starts at around 35 and runs for a while then jumps to 150Mbps on a 200Mbps connection. 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). 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. if you turn off security services and only get 350Mbps, there's something wrong. To create a free MySonicWall account click "Register". donpachi ps1 rom; factory reset aruba switch 2930f; medieval bestiary. Reddit and its partners use cookies and similar technologies to provide you with a better experience. This will tell the Sonicwall to not test/block "low" attacks [most of these, the Windows systems can easily block]. This will only send traffic with a destination of the remote LAN over the VPN, and all other traffic handled as normal. I appreciate everyone's input so far, and I've tried everything short of buying an SSL cert (as suggested) and no luck. And, check that your Sonicwall speed is as expected. Thanks for everyone's help so far, and I'll keep you updated as more suggestions come in and I implement them. There are security, configuration, and support concerns with split tunneling, make sure you are aware before implementing it. It looks like there is an internal limitation per user. With NetExtender, remote users can virtually join the remote network. 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. They had to patch our walls at like two in the morning. 4. 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. I'm not comfortable saying that the sonicwall is even to blame right now, there's simply not enough information. Are your end users complaining about slowness? 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. backup config, reset to factory and test. I am noticing this behavior in most of the users that use GVC and Nextender. We found the solution. Additional information - this does NOT happen with netextender, only GVC. Microsoft actually provides an automated fix as a download. 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. 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? Re: Site-to-Site VPN with SonicWall failing ph 1 - DH group mismatch. Our internet bandwidth is 40 Mbps download, and 20 Mbps upload in one of our offices. 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. All rights Reserved. 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. 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 . 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. However, once under the fragmentation level, my ping requests time out. I have tried with latest versions of Netextender and GVC and the windows version 2004 and 20H2. Have you tried other versions along with Chojin's suggestions? Assuming you have the Sonicwall setup as an interoperable device on your CheckPoint side: 1) Open the Sonicwall gateway properties in Dashboard. The upload is relatively similar, around 15 Mbps, with or without the Sonicwall in between. One more thing I noticed recently even when disconnected from Netextender, internet was slow until the application is totally closed. Talk to your ISP, ask them if there's noise or unusual errors on your connection. However, when I connect myself directly to the router of the ISP, I get around 40 Mbps download. remember to use https:// in front of WAN. Some of the more common sizes are 1492, 1474, 1468. 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? 2) VPN section -> Click Traditional mode configuration button. 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? By the way, Global VPN Client works just fine, it's the SSLVPN that won't work. was 10Mbit. Scenario #3: VPN traffic is blocked by your antivirus application. To sign in, use your existing MySonicWall account. Dell SonicWALL NetExtender is a software application that enables remote users to securely connect to the remote network. Yes, since posting that, we have turned off TCP Stream, and speeds are up from 30/30 to 180/180 on the same connection. I've just run into this issue myself and a fix seems to be disabling software compression in NetExtender client. 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. 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. Check if there is another dial-up connection in use. We just tried another Vendor also SSLVPN TLS and DTLS, and we could reach 150Mbits+. 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. Now, when I make a speedtest behind the firewall, all I get is around 20 Mbps download. 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. While connected internet speed dramatically decreasing (app. The fix for this is to install Sonicwall Mobile Connect on Windows Store, and use VPN settings in Windows. I have to check with other users if it's the case with the drivers. 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 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. 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? Make sure your NIC drivers are up to date when you do. From a previous post just last week, you can change the Sonicwall from "Maximum Security" to "Performance Optimized" under "Security Services" -> "Summary". @Ajishlal Firewall is not a Sonicwall. Go to Settings > Advanced > Advanced Network Properties > Options Tab > PPP Settings and uncheck software compression. The NetExtender throughput seems to never go above about 20kbps, but usually hovers around 3kbps. If problem still exists, obtain the following information and send them to support: However, when I connect myself directly to the router of the ISP, I get around 40 Mbps download. Bonus Flashback: Back on December 9, 2006, the first-ever Swedish astronaut launched to We have some documents stored on our SharePoint site and we have 1 user that when she clicks on an Excel file, it automatically downloads to her Downloads folder. 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 We have firmware 6.5.4.x series on all devices. Make sure that it the connection is full duplex, and at the correct speed. My ISP gives me 130Mbps down / 30Mbps up. Because of new requirements we deployed netextender to some notebook in tunnel all mode. As I know that some old Firmware have known issue with throughput for traffic coming through the SMA. I've tried using the FQDN and the IP address of the share, and there's no difference. Like, 1 to 2Mbit/sec. If so, disconnect the connection, reboot the machine and install NetExtender again. Scenario #4: Incorrect VPN protocol configuration . Category: Secure Mobile Access Appliances. I've just set up a Sonicwall SRA Virtual Appliance in order to set up my VPN for 2-factor authentication. To sign in, use your existing MySonicWall account. FreebitCloud SSL-VPN Credential or ssl vpn configuration is wrong (-7200) . Check the status of the WAN interface of the Sonicwall. At this point, we think the common thing is the firmware version and model. Using Point-to-Point Protocol (PPP), NetExtender allows remote clients seamless, secure access to resources on your local network. Or did you do a speedtest just for kicks and noticed this? This says something entirely different to you. 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. To continue this discussion, please ask a new question. And I am using Split tunnels in the VPN settings. 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. So, we do not understand the internal limitation of the SMAs. My ISP is Comcast Business, and it's a 100 Mbps pipe. It works like a charm! A place for SonicWall users to ask questions and to receive help from other SonicWall users, channel partners and some employees. We are using a Cisco Firepower running on the latest recommended version. The above subjected issue due to the Windows 10 and the wireless adapter.The solution is to disableReceive Segment Coalescing on the wireless adapter. Was there a Microsoft update that caused the issue? Ill further evaluate how this affects the overall security. Welcome to the Snap! We are using a SMA200 and SMA500v mainly for clientless access. If not, set them to automatic start, reboot the machine, and install NetExtender again. 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. 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. NetExtender Uninstall/Disappears from PCs Randomly, SSLVPN to another site to cloud site IPnot working, Press J to jump to the feed. Create an account to follow your favorite communities and start taking part in conversations. Another throughput issue - SSLVPN. Try turning that off. Scenario #5: Your router is causing connectivity issues, like failure to reach remote the server. VPN Tracker is the best VPN client for Mac, iPhone and iPad and is a Universal Mac App, supported on all current macOS operating systems from OS X 11 El Capitan, including macOS 12 Monterey and for iOS from iOS 15.Download VPN Tracker Purchase a plan Product / Devices Works with VPN Tracker Guide Linux Router Remote Dial-in User Vigor. 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. Now, when I make a speedtest behind the firewall, all I get is around 20 Mbps download. by 90%). EDIT: Spent another two hours with the UTM people, and they can't figure it out either. 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. The NetExtender throughput seems to never go above about . It works fine while configuring the VPN manually using Mobile app downloaded from Microsoft store. 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. If you have a ratty or old cable, swap it out. Test wired, test wireless (if you have a w-series unit). TZ350 Poor throughput. We have a Sonicwall TZ300 firewall connected directly to router of the ISP. Using Point-to-Point Protocol (PPP), NetExtender allows remote clients seamless, secure access to resources on your local network. Tested this morning on my laptop, Win10 20H2, NetExtender 10.2.300. 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. Download . To create a free MySonicWall account click "Register". The TZ350, with all security services enabled, should perform at 350mbps. Yes, the issue does appear to be CPU constraints, when we are testing with speedtests and the speeds are returned CPU is at 100%. Some are marginally better, but they are all well underperforming. 3. Copyright 2022 SonicWall. If not, delete the adapter from the device list, reboot the machine and install NetExtender again. We are seeing consistent speeds whether it's wired or wireless, and from different computers/servers too. What version of NetExtender / GlobalVPN client are you using? The fix appears to work with wifi, but not an ethernet connection. 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. 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. Always the same bad results. SonicWALL SSL-VPN NetExtender . Navigate to Windows Service manager under Control Panel > Administrator Tools > Services. You want to do the same with the LAN [X0] side if the switch your plugged into can be locked to 1G. And I am using Split tunnels in the VPN settings. 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. Problem: horrifically slow throughput across the SonicWall (wasn't my decision) SSL VPN. By the way, Global VPN Client works just fine, it's the SSLVPN that won't work. 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 We have a few TZ350's experiencing very low throughput. The TZ300 should be able to do almost everything with 40M ISP line. 3) Click the Advanced button. 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. What is the Firewall firmware in front of the SMA appliance? 3.8 on 45 votes. We have a Sonicwall TZ300 firewall connected directly to router of the ISP. Computers can ping it but cannot connect to it. you got something goofy is my guess. NSa 2650, firmware 6.5.4.6-79n. 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. Some knows how we can change this behavior? 3. No need to loosen security if it is just affecting the speedtests. Access loses it's mind more than is pleasant. Navigate to the NetExtender > Client Routes page. I realize that SSLVPN will be much slower, but it shouldn't be this slow. 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. by 90%). Reason is that we have two public servers only accessible from one location where the Sonicwall is. This topic has been locked by an administrator and is no longer open for commenting. While interfaces will auto-negotiate their speed and duplex status, this might not set the correct mode. 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. Test while workstations are directly wired to the sonicwall (to identify/eliminate any issues with your LAN/Switch if there is any). 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. 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]. Anyone know of any issues or workarounds or any information at all? If this is not affecting anyone, i would leave it as is and then plan to upgrade the FW as soon as you can. I'll give it another try from a Windows 10 client at home over the weekend and report back. That doesnt sound right. TIP: It is recommended to enable this option and leave the Ignore DF Bit option unchecked under IPsec | Advanced on the SonicWall GUI. HITMO TOP-500. Repeat the sonicwall tests with security services off (in Stateful firewall mode). We also did a test with an pfsense firewall. 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