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Thread: Linksys Wireless Router kills my network!

  1. #1

    Linksys Wireless Router kills my network!

    I've got a 16 port switch connected to the lan side of a T1 Router we have connected to our location. On one of the ports of the 16 Switch, I have a linksys 4 port Wireless router for our laptops. Once or Twice per day, our entire network will seemingly drop out. The 16 port switch will have all 16 lights flashing rapidly at the same rate. Powercycling the wireless router fixes the problem until the next time it happens.

    Has anyone else seen this sort of behaviour, or have a recommendation on how to start troubleshooting?

  2. #2
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    I would setup the wireless router in access point mode.

    What is doing DHCP on your network?
    Is the wireless secured?

  3. #3
    Moderator YeOldeStonecat's Avatar
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    And how is this Linksys uplinked to your existing switch?
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  4. #4
    The linksys is quite secured, plus we have it set up so we have to add your MAC address in the router to connect - And we are also far enough out in the sticks that we would probably know it if someone drove up in range to try to get in anyway, so I consider security a non issue.

    I've tried turning off the Wireless completely, and we still have the same problem.

    The uplink port (Not the WAN port) of the Router is connected to one of the 16 ports on our main switch. As far as I know, it's connected correctly.

    We have a Windows 2003 Domain Controller on our Network Assigning DHCP. The wireless router gets it's WAN IP from the 2003 server, and assigns it's own DHCP range below that - thus everyone on wireless is double nat-ed. Is that a problem?

  5. #5
    Moderator YeOldeStonecat's Avatar
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    Double NAT'ing is not ideal
    What IP range is the primary network..compared to the Linksys network?
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  6. #6
    Advanced Member chpalmer's Avatar
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    Is the DHCP server on the Linksys Router disabled?

    This would cause the issues you are seeing if it wasn't.
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  7. #7
    I was using a seperate class C for the 2nd nat. The base network's range was 192.168.1.x | 255.255.255.0, and the wireless router's range was 192.168.2.x | 255.255.255.0.

    I've disabled the DHCP server on the wireless, and the client machines on the wireless router now get Base IP addresses, which is fine. We've had one dropout today though, so I assume that this did not resolve the problem.

  8. #8
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    How many people are using wireless? And what kind of data transfer are they doing on it? It is possible that they are overwhelming the router.

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