Bridging LAN2 to LAN1



  • Hi Everyone,

    Using an Alix board here with 3 NIC ports on it. There is a LAN, WAN, and OPT1. I have LAN and WAN setup and works beautifully. But I want OPT1 which is now added as an interface to actually be providing my server with from the same DHCP port as LAN1.

    I did set it as Bridge with LAN but it doesn't give me an IP.

    Am I missing something? Is there something I have to do to get OPT1 bridged with LAN? or am I wrong about the concept of bridging overall?

    Thanks,



  • Do you have firewall rules allowing DHCP on OPT1?

    What version of pfSense? If using pfSense 2.0 snapshot build is DHCP enabled on LAN or the bridge?



  • Hello,

    Why DHCP for Opt1? I thought OPT1 would take it's DHCP from LAN when I do the bridge on OPT1 interface.

    Am I wrong with that?

    Regards



  • @torontob:

    I thought OPT1 would take it's DHCP from LAN when I do the bridge on OPT1 interface.

    It will if firewall rules allow the initial DHCP request from OPT1. But that is a necessary condition, it may not be sufficient.

    What version of pfSense are you using?

    If you search the forums for keywords DHCP and bridge I expect you will find a number of posts discussing your issue including suitable firewall rules.


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