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LAN connection dropping, Help. [SOLVED]

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  • R
    robm999
    last edited by Mar 16, 2012, 6:17 AM Mar 15, 2012, 9:58 PM

    Home network with 6-8+ devices connected
    Current setup:

    Cable modem   <–  pfSense 2.0.1 -->  Linksys Switch --> Local network
                              on VirtualBox         EZXS88R

    pfSense is working great running on a virtual machine but I'm trying to move it to a dedicated box.
    Dell Optiplex GX270 2.6 GHz, 1GB RAM
    on-board Intel Gigabit ethernet
    Add PCI 10/100 NIC

    pfSense install, boot, and config is fine initially.
    Once it starts, most of the time, the computers on the network will have a connection to it for a very short time, if at all.  I will get about 4 pings from pfSense to the other machines and then they're gone. A couple times one machine would stay connected but the others weren't.  The machines on the  LAN can ping each other still. WAN connection on pfSense works fine still.

    I have tried 5 different NICs it it. They are a variety of Netgear, Linksys, and DLink cards (drivers: dc, rl, sis).
    I don't think it is the cards though because I have swapped LAN/WAN connections so the Intel was LAN and the PCI NIC was WAN and the WAN connection worked fine but the LAN connection dropped.

    I have run other firewall systems on different boxes and they all worked fine.
    This may not strictly a pfSense issue as another system installed on the same box seems to do the same thing.

    I've run out of ideas and could use some help/suggestions.

    Thanks
    Rob

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    • R
      robm999
      last edited by Mar 16, 2012, 6:16 AM

      Well, it seems I may have fixed it.

      From what I can tell it was probably the network adapter from the virtual machine may have still been enabled. I thought they had all been disabled when I shut down the VM but perhaps not.

      Basically I restarted the firewall with nothing connected on the LAN and then reconnected one device at a time. Before I connected the machine that had the old firewall on VM on it I made sure it was shut down and the adapters configured properly.

      Seems to be up and running properly now :)

      TL;DR Probably the network seeing 2 gateways on the network and got confused.

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