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Hands On: Syswan Duolinks SW24 VPN High Performance Dual WAN Router

By on October 3, 2009 in Hardware, Networking, Networking Reviews, News, Reviews, Routers, Windows Home Server

SysFilter Exception

The Duolinks SW24 Series Load Balancer’s built-in SPI firewall will automatically reject any unrecognized packets. If you want the device to accept any specific packets, you should build the corresponding exception rules using the System Filter Exceptions.

You will not need to modify the default settings or add anything here except if you are running a specific application which needs the default SPI firewall and security settings modified on the load balancer.

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And I love the warning that goes with these screen options:

Important Note : Misconfiguration of this section may lead to serious security threats for your network.

VPN Configuration

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QoS Configuration

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Management Assistant

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Network Info

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And that, finally, is ALL that there is.  If there are too many pictures and too little narrative through all those screens, I apologize.  A complete explanation of each option is far beyond the scope of this review, my depth of understanding of each option, and quite simply the amount of time of can devote to this review.

But there are a few important features that I need to briefly elaborate on.

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About Jim Clark

Hello. I’m from the heartland of the U.S. Lots of corn and beans, although Iowa is a lot more than just farmland. It also has a few computer enthusiasts (no, not me!). I’ve been around PCs since I got my 1st PC XT aloooong time ago. WGS is one of the first sites I found centered around WHS. And the best. Every once in awhile, I do get away from the KB and enjoy time with and my wife and our 4 kids. And I do have a day job.
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  • Diehard

    Wow, what an article. It must have taken 2 weeks to write this. Lots of detail. I'll have to bookmark it and read it a bit at a time so my head doesn't explode. Thanks :-)

    • http://intensedebate.com/people/Jim_Clark Jim_Clark

      Wish I could have tried out more features, but the time and effort to do so would have delayed this "Hands On" probably another week. At least. And yes, it wasn't an easy "Hands On" to do.

      It's funny tho. I talked to our IT manager at where I work, and while we both agree that business-grade routers are better than consumer-grade routers, we also agreed that trying to understand the reasons why would require a Masters in IT Management. To write about and read.

      So *hopefully*, I have provided enough info for the reader to make an informed decision.

  • http://intensedebate.com/people/Jim_Clark Jim_Clark

    BTW, Let Google do the searching! I just noticed their ads will let me choose from "10 different models to choose low price with full support" for multiWAN routers. :)

  • http://intensedebate.com/people/urmaster urmaster

    Oh no, just glancing over and I noticed 10/100 for the LAN ports, why oh why. I'm sure most of us here will exceed that bandwidth with high definition videos and file transfers. My heart was lifting considering I need a new router solution but I'm afraid that 10/100 on LAN doesn't cut it anymore.

    That article is huge, I'll make the time to read after some assignments. Nice write up Jim

    • http://intensedebate.com/people/Jim_Clark Jim_Clark

      A 1Gbit router is not needed. Just add a $20 1Gbit switch and you the best of both worlds, security and speed!

      • http://www.intensedebate.com/people/urmaster urmaster

        That's the problem for me, I already have a 1Gbit 8 port switch where the server and PC are located. But the router is in the centre of the house (for best wireless signal). I can't add another switch there that would complicate things and look very untidy.

        0_0 i just noticed the price you put out, it will cost at least £40 ($65) for a decent switch over here.

  • sic0048

    So how does something like this stack up against a router running DD-WRT? Is there a compelling reason to look at something like this vs getting an inexpensive router that works with DD-WRT and flashing it? If you really need the extra features that a router like this provides, then surely you are technical enough to flash a router’s firmware.

    I honestly don’t know the answer, so I am really trying to ask a question here, not pump up DD-WRT.

    Thanks!

    • http://intensedebate.com/people/urmaster urmaster

      Well you will find for one that DD-WRT is very generic and not all the features work properly with all the routers. Some features like QOS are next to useless even when they do work. I'm sure at the least that this router does what is advertised.

      • Crow

        And why are sure QoS will work on this router? Because mfctr website says so?

        • http://www.intensedebate.com/people/urmaster urmaster

          Yes or you get your money back. Not the case with DD-WRT now is it since you void the warrenty by using it.

          • Crow

            JFYI, DD-WRT does not change your hardware. You can reflash your original firmware any time. So stop spreading FUD.

    • http://intensedebate.com/people/Jim_Clark Jim_Clark

      FWIW, the last time I checked, the list price on Newegg was $250. The last discounted price was approximately $180(?). It seems that Newegg has a hard time keeping them in stock, as it is rather hit and miss that you find the SW24's on Newegg.

    • http://www.intensedebate.com/people/Jim_Clark Jim_Clark

      Technically, you also lose the warranty on your router. It all depends on your needs. Dual WAN support may not apply to many, but that is one feature. If you need to use VPN, does DD-WRT support the level of security that this router does?

      Basically, based upon the popularity of DD-WRT, the user base recognizes the need for better features that a "stock" consumer router has. The choice is yours as to which path you take for improved security features. A flashed consumer-grade router may be better than stock, but it still does not make it a business-class router.

      Of course, the Syswan solution is more expensive…

      • autodrivel

        In this context, one of the principle differentiators between a consumer-grade and business-grade firewall/router is the build quality and reliability.

        However, this does get skewed when considering the WHS target market – i.e. Home User. Businesses (often) cannot afford to be without internet connectivity, so they need a reliable product. For home users if their router dies and they are without internet connectivity for a few days it is not the end of the world -only as far as the kids are concerned ;)

        Hence, a Home (WHS-target) user most often cannot/willnot justify paying two or three times the cost of consumer router, if the main tangible benefit is not having to be without a internet for a few days.

        I’m a DD-WRT’ed Linksys WRT54GL user. The installed functionality matches the Syswan (even down to using one of the LAN ports as a fail-over WAN connection). The Linky cost me about £40 and at that price, I could buy a second one and have it sitting in the box ready to go and still be a lot cheaper than the Syswan.

        This isn’t a downer on the Syswan, it looks like a nice unit, I’m just highlighting some of the economics associated with home use.

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  • http://www.ihomesecuritysystems.com Jim_Clark

    Technically, you also lose the warranty on your router. It all depends on your needs. Dual WAN support may not apply to many, but that is one feature. If you need to use VPN, does DD-WRT support the level of security that this router does?

    Basically, based upon the popularity of DD-WRT, the user base recognizes the need for better features that a “stock” consumer router has. The choice is yours as to which path you take for improved security features. A flashed consumer-grade router may be better than stock, but it still does not make it a business-class router.

    Of course, the Syswan solution is more expensive…
    OH! You’re my new favorite blogger fyi

  • scoob

    If you don`t specifically know why you need an enterprise class router, the chances are you don`t need one. Generally speaking, all they give you is more control and reliability – not more security.

    A simple NAT firewall used on every home router is plenty good enough for 99.9% of home users (everything behind NAT is invisible) – and punching a hole through any firewall, corporate or not, means the router no longer offers any protection for that IP. So anyone hosting webpages on their WHS is relying on the security on their WHS, not their router.

  • Crow

    How is crappy article (or whould I say shameless plug for Syswan) like this gets into the blog?
    How's even remotely related to WHS?

    • http://intensedebate.com/people/Dieharder Dieharder

      it is remotely related to WHS, get it, REMOTELY.

      Jim mentions up front about routers that configure properly using WHS Remote Access. We are always looking for routers that do so. That is why it is related to WHS.

      A lot of work and detail has gone into this review, I am shocked that you call the review crappy.

      • Crow

        Any current router could be configured to work with WHS. They ALL support port forwarding, hence the word 'router' in their name.

        • regmigrant

          but many dont work without a lot of complicated setup and advanced rules. Most home users dont want to have to do that and run the risk of opening firewall completley if they do.

          On the other hand I agree with some of what you originally said – but not the way you said it – I dont see why THIS company got so much of their documentation reproduced directly in someones blog. – Why not a similar entry for CISCO or LUCENT or JUNIPER – all of which produce enterprise class routers similar to this one.

    • http://www.intensedebate.com/people/Dieharder Dieharder

      it is remotely related to WHS, get it, REMOTELY.

      Jim mentions up front about routers that configure properly using WHS Remote Access. We are always looking for routers that do so. That is how it is related to WHS.

      A lot of work and detail has gone into this review, I am shocked that you call the review crappy.

    • http://intensedebate.com/people/tezzer Terry Walsh

      Simply because this website covers Windows Home Server as well as things that *connect* to Windows Home Server and things that Windows Home Server connects *to*. No router? No Windows Home Server.

      There may also be articles on tech that doesn't even touch WHS, and do you know what? It's okay! No one gets hurt, there's no permanent damage and no-one is forced to read them.

      That "& your digital home" line at the top of the page? Read it again, Crow.

    • http://www.intensedebate.com/people/tezzer Terry Walsh

      Simply because this website covers Windows Home Server as well as things that *connect* to Windows Home Server and things that Windows Home Server connects *to*. No router? No Windows Home Server.

      There may also be articles here on the site covering tech that doesn't even touch WHS, and do you know what? It's okay! No one gets hurt, there's no permanent damage and no-one is forced to read them.

      That "& your digital home" line at the top of the page? Read it again, Crow.

    • http://intensedebate.com/people/Jim_Clark Jim_Clark

      I am sorry you feel that way. Shameless plug? IMHO, I felt I wrote more about network setups, in general, and just a bit upon security by highlighting some of the Syswan router features. A router is a very difficult item to review, and I think I said that pretty much up-front.

      Nowhere did I say you should go out and buy one right now, which WOULD be a shameless plug. IF your needs dictate the need of a device like this, here is one option, however.

      I also feel the feedback was very benificial regarding other alternatives like DD-WRT, and replies about the security capabilities of consumer-grade routers.

      Finally, FWIW, unless one was a MAJOR player in the retail jungle prior the influence of the Internet, where does one find out about alternatives to Linksys, D-Link and others? Not at your local Best Buy.

      • Crow

        I am sorry for being rude.

        It just did not feel like an actual review. There are several manufacturers claims that are just copied here without any proof. Like better security, high performance, enhanced VPN, etc compared to 'consumer router'.

        From reading this article I just don't see why pay premium. Yes, some people believe if it cost more it will work better (like the guy above talking about QoS). I base my opinion on something more substantial. At least show us some tests that it is in fact High Performance Router compared to the run-of-the-mill d-link or linksys.

        • regmigrant

          now you are being silly, the premium is for better quality hardware/software. I agree this article fails to establish anyhting concrete in that respect but i have no doubt that this is a better router than one costing half the price – however after reading this aritcle I STILL dont know if its TWICE as good.

          If comparing consumer grade with corporate grade is to be a regular feature then perhaps someone who understands that market place ought to write some of the articles.

    • http://intensedebate.com/people/urmaster urmaster

      How does an article on a router relate to a windows home server. I don't think that’s even worth an answer

      • Crow

        Ha-ha, you are funny. Let's hear about electricity now. How can you run your WHS without electricity, right?

        • regmigratn

          now you are just be ridiculous, are you suggesting that a community devoted to media servers in the home should ONLY discuss the WHS part of the picture? We shouldnt, for example, talk about different disk drives, processors, wireless connections, cabling, even desk space, air conditioning or whatever?

          And to answer your question – yes you cant run your home server without electricity so be aware of your carbon footprint when you are leaving it running all the time.

  • http://intensedebate.com/people/urmaster urmaster

    How does an article on a router relate to a windows home server. I don't think that’s even worth an answer.

  • http://intensedebate.com/people/urmaster urmaster

    Who's spreading "FUD", you lose your right to a refund, simple.

  • http://intensedebate.com/people/urmaster urmaster

    Who said anything about cost? DD-WRT simply does not work with QOS. If this router advertises QOS as a function it must work no? DD-WRT is a no guarantee – that it will even run let alone work – solution.

  • http://www.intensedebate.com/people/urmaster urmaster

    Who said anything about cost, read my post again? DD-WRT simply does not work with QOS. If this router advertises QOS as a function it must work no? DD-WRT is a no guarantee – that it will even run let alone work – solution.

  • http://www.intensedebate.com/people/urmaster urmaster

    Who said anything about cost, read my post again? DD-WRT simply does not work with QOS. If this router advertises QOS as a function it must work, no? DD-WRT is a no guarantee – that it will even run let alone work – solution.

  • Noodle2732

    Nice article.
    I use a dual wan router at home (a Draytek Vigor 2390n), cant fault it.

    Only advise i have to give about dual WAN routers is that when you make a connection to the internet you are going to end up using one of 2 IP address, most of the time this is fine however if your IP address changes whilst in the middle of say doing some online banking the secure website will kick you off.

    You need to setup a rule for HTTPS (port 443) to only use one of the WAN links to stop this.

    In terms of security i love being able to create firewall rules that make sense rather than the wierd way most home routers work.

  • Trey

    appears to be the same hardware and management software as the Xincom 502 Twin WAN. I've used the Xincom for a couple of years and it's rock solid, stability wise, but the load balancing and failover feature has not worked 100% for me despite many tries and config changes.