Command to Clear NAT Table Contents?

Discussion in 'HyperWRT Firmware' started by OPaul, Nov 29, 2004.

  1. OPaul

    OPaul Network Guru Member

    Is there a command to clear the NAT table? After closing my BT application the connections still remain in the table and I rather not restart the router as there are other users on the network using the Internet.
  2. OPaul

    OPaul Network Guru Member

    Anyone know?
  3. emtbrad

    emtbrad Network Guru Member

    Linksys NAT Tables Filled

    I am having the same problem, if you find a fix/patch/work around please email me. I could sure use it. One workaround I have thought of is to install wired hub between the router and the modem (dsl,cable,satellite) and just plug in your computer there and that would issue you another IP from your ISP therefore, bypassing the router all togeather. I can't beleive linksys hasnt fixed this yet.

    My connection starts to die after I make around 500-800 connections with bittorrent then I have to manually unplug & reboot the router.

  4. Avenger20

    Avenger20 Network Guru Member

    After 2 hours, the connections will be removed automaticly in HyperWRT. Linksys default firmware has a timeout of 5 days!
  5. Hypnotik

    Hypnotik Network Guru Member

    is it possible to change this value manually Avenger ?
  6. Avenger20

    Avenger20 Network Guru Member


    echo "1800 3600 120 60 120 120 10 60 30 120" > /proc/sys/net/ipv4/ip_conntrack_tcp_timeouts

    The second value "3600" (seconds) is the TCP idle timeout
  7. Hypnotik

    Hypnotik Network Guru Member

    Thx you're god :D
  8. Hypnotik

    Hypnotik Network Guru Member

    just for information, what does mean other values ?

    (maybe you have already speak about this in another topic, i haven't search in the forum yet)

  9. blackomegax

    blackomegax Network Guru Member

    Table 4-2. Internal states

    State : Timeout value
    NONE 30 minutes
    ESTABLISHED 5 days
    SYN_SENT 2 minutes
    SYN_RECV 60 seconds
    FIN_WAIT 2 minutes
    TIME_WAIT 2 minutes
    CLOSE 10 seconds
    CLOSE_WAIT 12 hours
    LAST_ACK 30 seconds
    LISTEN> 2 minutes
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