[ale] [ALE] Setting up DHCP with Wireless

[Alex Carver]

DHCP Relaying is more complicated than just DHCP service. Since you are 
already using this for testing purposes then having a dedicated DHCP 
service keeps your main DHCP pool clean.

If you want something relatively simple to set up then just use DNSMasq 
as your DHCP server. It's nice and small and easy to configure.

On 2023-09-18 12:11, Chuck Payne via Ale wrote:
> Boris,
> 
> So, here is my setup. I have a ZimaBoard that is pfSense that is the DHCP
> server, connecting on the back of ZimaBoard ethernet for lan is the 2.5Ghz
> SFP connection on my Banana-Pi R3 ( Which is my wifi router ). So, since I
> have the Banana-Pi R2 Pro, I was like I need storage, thus OpenMediaVault
> on Debian 11.
> 
> I was thinking, ok let me setup DHCP relay, so I don't have another DHCP
> Server or router. I am planning to install 8TB Drive, since the R2 Pro only
> has one SATA slot. My plan is to have network with SBC. I know a bit geeky.
> 
> Alex,
> 
> So as soon as I can get past the error that DHCPD is givng me, I will
> trying. DHPD Relay look to be less troubling and I was just hoping to pass
> thru from the R3.
> 
> Thanks guys. I will keep hammering away
> 
> 
> On Mon, Sep 18, 2023, 2:57 PM Boris Borisov via Ale <ale at ale.org> wrote:
> 
>> Put openwrt on the device. Is purposely built router OS in slim footprint.
>> Everything that you can imagine is there. Or is installable with package
>> manager.
>>
>> I've been lately buying old routers from Goodwill and installing latest
>> openwrt firmware. We'll before buying I'm checking openwrt repository if
>> that router is supported.
>>
>>
>> In general the service should listen on the device in your case wlan0.
>>
>>
>> On Mon, Sep 18, 2023, 01:45 Alex Carver via Ale <ale at ale.org> wrote:
>>
>>> First question:
>>>
>>> Why not run a local DHCP just for your test devices and make the ARM
>>> board a router?
>>>
>>> On 2023-09-16 19:08, Chuck Payne via Ale wrote:
>>>> So,
>>>>
>>>> I am trying to setup an arm board that has the following setup
>>>>
>>>> eth0
>>>> eth1
>>>> lan0 at eth1
>>>> lan1 at eth1
>>>> lan2 at eth1
>>>> lan3 at eth1
>>>>
>>>> Because of the part of the house I am on, I can't use ethernet. So I
>>> have a
>>>> wifi card in. So I have wlan0.
>>>>
>>>> Being that eth0 should be wan, and lan0 to lan3 are lan. Now here is
>>> what I
>>>> am trying to do, and it's gonna be a bit crazy.
>>>>
>>>> I like to use the arm board ( Banana-Pi BPi-R2 Pro ) as a hub for other
>>>> small board devices on my desk.
>>>>
>>>> I am running Bullseye, and I installed isc-dhcp-relay. In hopes that I
>>> can
>>>> just pull in a device into one of the four lan ports.
>>>>
>>>> Here's what I got setup so far
>>>>
>>>> # Defaults for isc-dhcp-relay initscript
>>>> # sourced by /etc/init.d/isc-dhcp-relay
>>>> # installed at /etc/default/isc-dhcp-relay by the maintainer scripts
>>>>
>>>> #
>>>> # This is a POSIX shell fragment
>>>> #
>>>>
>>>> # What servers should the DHCP relay forward requests to?
>>>> SERVERS="192.168.107.1"
>>>>
>>>> # On what interfaces should the DHCP relay (dhrelay) serve DHCP
>>> requests?
>>>> INTERFACES="eth1 wlan0"
>>>>
>>>> # Additional options that are passed to the DHCP relay daemon?
>>>> OPTIONS=""
>>>>
>>>> I am assuming, which is bad for me that I need to wlan0 to issue the
>>>> request, correct? Or do I need lan0 at eth1 thru lan3 at eth1 to pass the
>>>> request. Which now makes me ask, how will they be able to pass traffic
>>> from
>>>> the wlan0 to those lanx ports?
>>>>
>>>> Is it possible to do what I am wanting? I want to test ethernet devices,
>>>> thus why I am not using a wireless usb dongle. I have plenty. Oh, did I
>>>> tell you that I have already install OpenMediaVault on this board, so
>>>> another reason for me to get it working.
>>>>
>>>> Thanks for any help with my crazy idea.
>>>>
>>>>
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> 
> 
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