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Thread: Routing through FPP wlan0 to eth0 works, but not the other way around. Help, please.

  1. #1
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    Question Routing through FPP wlan0 to eth0 works, but not the other way around. Help, please.

    To start, let me say that my show itself is working fine. That said, I am unable to access the internet on devices connected through the eth0 side of my FPP, even though the FPP itself can do so just fine (wlan0 connects to my home network).

    Before asking, Yes, Enable Routing between network interfaces is enabled, and is working as I am able to connect coming from the wlan0 side through the FPP to the devices on the eth0 side. I am able to use my laptop to connect and manage all of the ESPixelPops and FPP player that exist on the other side of the FPP acting as a router, but cannot connect to anthing on the Internet (specifically wanting NTP for time, and to be able to hit git, so I can update FPP easily on my TuneTo sign).

    Again, the show works fine, and I can manage everything successfully, I'm just really annoyed that I have to periodically manually set the time to make sure it's properly synchronized with my other Pi (plus it should just work, but doesn't, and that drives me nuts).

    That said, here's my configuration....
    Laptop home wifi
    IP= 192.168.0.135 (255.255.255)
    GW= 192.168.0.1

    connects to wlan0 on FPPMaster (on a Pi 3B+)
    IP= 192.168.0.100 (255.255.255.0)
    GW= 192.168.0.1

    (so far so good)

    eth0 on FPPMaster
    IP= 192.168.2.100 (255.255.255.0)
    GW= (not defined)

    is connected to an unmanaged gigabit switch which is then connected to...

    Ubiquiti NanoStation Loco M2
    Bridge Mode (AirMax and Multicast Enhancement are DISABLED)
    IP= 192.168.2.20 (255.255.255.0)
    GW=192.168.2.100

    which connects to about 30 ESPixelPopTiny(s) all connecting through the 192.168.2.* wifi network (thanks to the M2).

    and...

    wlan0 on FPPPBTUNETO (a standalone FPP PocketBeagle)
    IP= 192.168.2.145 (255.255.255.0)
    GW= 192.168.2.100

    The only reason I don't have FPPPBTUNETO running on my home wifi (192.168.0.*) is that it is out of reliable range for my home network-- otherwise, that's where I would be running it.

    I have my laptop's routing table setup with a path to connect to everything on the 192.168.2.* network just fine, and my signal strength is solid everywhere.

    From the NanoStation I am able to ping both sides of FPPMaster--- 192.168.2.100 (eth0) and 192.168.0.100 (wlan0)
    However, I cannot ping 192.168.0.1 or anything else on the 192.168.0.* network-- and, by extension, anything outside in the real world, either.

    Any idea where I can look to figure out this madness?

    Thanks!

  2. #2
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    Default Re: Routing through FPP wlan0 to eth0 works, but not the other way around. Help, ple

    Just to make sure it's clear, FPPMASTER itself can connect to anything on my home (192.168.0.*) network as well as ntp, git, etcetera.

  3. #3
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    Default Re: Routing through FPP wlan0 to eth0 works, but not the other way around. Help, ple

    Try adding
    DNS server1 = 192.168.2.100
    DNS server 2 =8.8.8.8

    on your wlan0 settings
    Cheers!
    Steve

    Learn 1 new thing everyday.

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  4. #4
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    Default Re: Routing through FPP wlan0 to eth0 works, but not the other way around. Help, ple

    Quote Originally Posted by Aurbo99 View Post
    Try adding
    DNS server1 = 192.168.2.100
    DNS server 2 =8.8.8.8

    on your wlan0 settings
    Although I am using IPs to establish connections, so I'm not relying on DNS for name resolution at this point, I do have the DNS settings in place, to no avail.


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