Is this the disconnect problem?

Discussion in 'Cisco/Linksys Wireless Routers' started by wreko, May 16, 2005.

  1. wreko

    wreko Network Guru Member


    Haven’t understood if the problem with the router looking up because of high load only accurse when using wireless. Sometimes (regularly) when I use torrent the router seems to lookup, have to pull the power to get it to work again. All of this when only using wire, WAN to LAN.
    Is this the disconnect problem? Is there anything I can do to minimize this problem? I only use P2P, and transfer large amounts over wire.
  2. jagboy

    jagboy Network Guru Member

    so the router locks up on the wireless side and the wired side? sorry ca you be a little clearer
  3. wreko

    wreko Network Guru Member

    At the moment there is on ly one computer connected to the router and it is connected with wire. Wireless is disabled.
  4. freaky_00

    freaky_00 Network Guru Member

    I have the same problem. Except I have 2 pcs and one xbox connnected and disabled wireless. Sometimes it disconnects my PPPoE connection and reconnects automatically. I don't have to pull a plug!!!
  5. mstombs

    mstombs Network Guru Member

    There are at least 3 differrent problems with different versions of router/firmware

    1. Certain files containing certain byte sequences do not transfer LAN to WLAN - fixed for me in beta firmware on WRT54GS 1.1 (?memory mapping problem fixed by overclocking CPU?)

    2. Random disconnect due to router chips oveheating - fixed for some by standing router on side adding extra heat sinks/ fans.

    3. Others such as no of persistent connections (NB Windows XP SP2 also has a related problem)

    I guess you have a variant of No 3, but may also get 1 and/or 2!

    If you only have No.3 there are patches available in some 3rd party frmwares to change how many connections the router remembers for how long.

    Sorry no links to hand but the answers are on this forum somewhere...
  6. wreko

    wreko Network Guru Member

    I changed from alchemy 1,0 something to DD-WRT #22 prefinal4 (Talismen) today and at the same time found this startup script in the forum:

    echo 4096 > /proc/sys/net/ipv4/ip_conntrack_max
    echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
    echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
    echo 512 > /proc/sys/net/ipv4/neigh/default/gc_thresh1
    echo 2048 > /proc/sys/net/ipv4/neigh/default/gc_thresh2
    echo 4096 > /proc/sys/net/ipv4/neigh/default/gc_thresh3
    echo "600 1800 120 60 120 120 10 60 30 120" > /proc/sys/net/ipv4/ip_conntrack_tcp_timeouts

    Was this the patch you where talking about?
  7. wreko

    wreko Network Guru Member

  8. mstombs

    mstombs Network Guru Member

    Yes, not used it myself but the first and last lines increase the no of connections and reduce the timeout to 30 mins (from days)
  9. mstombs

    mstombs Network Guru Member

    That's what I understand, but I haven't needed to do it - yet!

    I thought one of these would be a good idea



    so I got one cheap off ebay but haven't fitted it yet coz I haven't sorted how to get the wires neatly up the wall
  10. wreko

    wreko Network Guru Member

    Have bought one of those from ebay to, but it hasnt arrived yet.
  11. wreko

    wreko Network Guru Member

    Seems like the script didn’t help, my router jammed today again. Don’t know how much time I’m willing to spend trying to solve this, might just use it as an AP or return the damn thing. So far the wrt54g has been a disappointment I must say.
  12. jagboy

    jagboy Network Guru Member

    see if you could exchange it for another wrt54g they are not all the same.
  13. vibe666

    vibe666 Network Guru Member

    I'm having the same problem on the LAN/WAN with or without wifi enabled.

    downloaded the latest version of hyperwrt hoping to fix it and flashed as instructed here and have the same problem as before.

    should i try the new beta firmware?
  14. malfeasance

    malfeasance Network Guru Member


    As far as heat and standing on it's side, DON'T stack it in anyway. I saw jagboy's pictures for his cooling hack, which were posted awhile back, and noticed the router right under it. The cases are made to stack, and they look cool that way, but the heat generated is colassal. I can bring down my network in about an hour if I stack my router and my cable modem. I'm sure jagboy figured that out by now.

    How would the heat escape if the router is standing on it's side? The air holes would be away from the heat rising. However, there are many holes in the front of the router that are covered up by the sticker.

    Someone here has attached a pancake fan onto their router without "popping the hood." They would have to come up with some power for it.
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