Flaming WRT54GS

Discussion in 'Cisco/Linksys Wireless Routers' started by Wilto, Jul 1, 2007.

  1. Wilto

    Wilto Guest

    Great unit when it wants to work but every couple of hours it decides to stop talking to my router and just drops internet.
    Lights are on but no-one at home. Cable modem is fine when plugged directly to computer so no problem there. Wires are all fine from modem to router.

    So yeah it decides to stop internet being passed through.

    Every night i have torrents going and every morning the internet won't work as the router has stopped the internet being passed thru.

    The only way to get the modem up and running again is to unplug modem power and plug it back in. Process taking circa 4 to 5 minutes. Very annoying.

    Firmware is 1.52 which i think is newest. looks like many have this problem on here, shame on linksys for providing such a poor product!

    EDIT : Few more details.

    Laptop and computer on wireless and main desktop on wired.
    When it does drop when i check the properties of the wireless and ethernet cards they still show as though they were connected i.e. nothing wrong.
  2. Mastec

    Mastec Network Guru Member

    If you read the forums at Linksys.com you will see others with the very same issues. There is no fix for the crippled WRT54Gv6 and probably never will be seeing how they are now at v8 so quickly. Some have said loading a third party firmware such as DD-WRT v23 SP3 micro helps a little. Loading 3rd party firmeware on the v6 is risky though, greater chance of bricking the router if procedures aren't followed to the letter. I used to be a Linksys fan (pre v5 of course) but with the recent releases of junk I went to Buffalo. If you want to stay with Linksys I recommend you try to sell your v6 as long as its still working and use the money towards a WRT54GL.
  3. HennieM

    HennieM Network Guru Member

    @Mastec: How do you know it's V6?

    @Wilto: Investigate
    Smart Modem, i.e. modem that routes?
    Double NAT, i.e. WRT AND modem doing NAT?
    If any the above true, try setting up WRT as a router not as a gateway, or connect one of the WRT's LAN ports, not WAN port, to the modem.
  4. vincentfox

    vincentfox Network Guru Member

    Consider this. Does it lock up when NOT running torrents? If not, correct diagnosis would be problem is your torrent software not the router. What software, you don't say? BitComet for example VERY BAD, Azureus much better.

    Many badly-written P2P software running on $2,000 gigahertz PC can open many connections and fail to close them and fill the connection table on the router. Yes indeed it is possible to overwhelm a $50 router with an expensive PC. This is not news. 9 times out of 10, it's about recognizing the limitations of a residential DSL connection and a cheap router. Setting reasonable connection limits in the P2P software often fixes things right up.
  5. frenchy2k1

    frenchy2k1 LI Guru Member

    Any torrent application downloading fast enough will crash a simple DSL router.
    The reason? The linksys have a table to track open connections with 2048 entries. Up to there, fine. However, it keeps track of those connections for 7 days.
    If your computer does not close the connections (it is quite frequent in bittorrent, you'll fill the table in no time.
    3rd party firmware have increased the table size and decreased the tracking time (to 10 minutes) allowing easier bittorent usage.

    Depending on your router's version, you may or may not have any option for 3rd party firmware.
  6. Mastec

    Mastec Network Guru Member

    The OP removed the version number from his post. Its was posted that he had a GS v.6 with the first 4 digits of the serial number. Now its gone.

    Thats how I knew it was a v.6
  7. vincentfox

    vincentfox Network Guru Member

    My point was, and is, that fiddling with the router is often attacking the wrong of the problem first.

    Increasingly we are stuck with the problem that marketing people are pushing on us the idea that a $50 router with 16 megs or less of RAM, can do 16 things and make your coffee too.

    They stick gigabit ports on it, and high-speed wireless pre-draft-N, and USB ports. Also lots of multi-color plastic and blinky lights. Putting lipstick and a dress on the pig, so to speak. We have to admit the error before we can move on. 4 years ago I bought a WRT54GS v1.0 unit with 8 megs flash, 32 megs RAM and a 200 MHz processor. Today if I buy a WRT54GL for about the same price I get 4 megs flash, 16 megs RAM, and a 200 MHz processor. If I am foolish enough to buy a WRT54G v5 or later unit, it will have 2 megs flash and perhaps 8 megs RAM. Blech. We do not have a march-of-progress in the core elements of the router technology, we have ever-narrowing specs to improve profit margins.

    People may shop for a PC with specs like CPU speed, RAM and HD space in mind, they do NOT shop for routers based on specs largely they shop on price. Do you ever see anyone ask how much RAM is in a router, or how fast the CPU, or if it's "P2P-accelerated"? No you do not. Oh, I can get this router for $20 after rebate, sure I'll take it. Manufacturers know this, otherwise they would target buyers looking for improved products. Until users start shopping looking for specs like "P2P-MAX features, will handle unlimited torrents" this will not change.

    Consumer-grade cheap routers have very limited resources for handling large connection loads. Fiddling with timeouts can trade one problem for another, now if you are idle too long on chat sessions or SSH those connections will die. Not such a great solution IMO. Workarounds at best.

    To my mind, it is smarter to look at the problem from the other end. You have already the given of a very tiny piece of equipment as a bottleneck. The expensive PC cannot recognize this limit and control itself, so you have to manually muzzle the beast if the application developers haven't done so. The majority of cases I have seen, using good P2P software and setting appropriate limits in the P2P software solved the problem entirely, without resorting to changing anything on the router.
  8. HennieM

    HennieM Network Guru Member

    We get your point Vincent. It's up to forums like this and people like us to educate users, thus get more router for our buck, not?

    As for Wilto's problem: dd-wrt micro firmware will allow you to control the State Timeout and the Max Connections, which may remedy the unplug/plug router part. However, note Frenchy's and Vincent's points on possible dropped connections. Also try and limit your torrent software's number of connections etc.

    Always good to quote router model AND version. Routers are much like a big software Co. (or maybe cars) - the next version is not necessarily better than the previous version. Check out the autopsy of WRT routers on this site.
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