[ale] [ALE] Setting up DHCP with Wireless

Alex Carver agcarver+ale at acarver.net
Sun Oct 8 17:58:24 EDT 2023


Actually I didn't recommend OpenWRT, I recommended DNSMasq for your 
DNS/DHCP needs. They are not the same thing. I would not have 
recommended OpenWRT for your BananaPi at all.

On 2023-10-08 08:49, Chuck Payne via Ale wrote:
> On Wed, Sep 27, 2023 at 12:38 PM Joey Kelly via Ale <ale at ale.org> wrote:
> 
>> On Tuesday, September 19, 2023 12:33:04 PM CDT Chuck Payne via Ale wrote:
>>> Alex thanks, I might try dhcp so here what I got so far
>>
>> Assuming your primary DHCP has a scope defined, have the wireless segment
>> use
>> another non-overlapping scope in the same subnet as the primary, running
>> on
>> the device you described.
>>
>>
>>>
>>> As I told you, I have the Banana-R3 setup with OpenWRT
>>> https://uglyscale.press/2023/09/13/setup-the-banana-r3-with-openwrt/
>>>
>>> And the ZimaBoard with pfSense
>>>
>> https://uglyscale.press/2023/09/17/how-to-setup-zimaboard-to-run-pfsense/
>>>
>>> So, I am grateful for the help, because again the R2 Pro will be OMV so I
>>> have a nas.
>>>
>>> On Tue, Sep 19, 2023 at 12:03 AM Alex Carver via Ale <ale at ale.org>
>> wrote:
>>>> 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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>>>>>>>> Ale at ale.org
>>>>>>>> https://mail.ale.org/mailman/listinfo/ale
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>>>>>>>> http://mail.ale.org/mailman/listinfo
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Ale mailing list
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>>>>>>> http://mail.ale.org/mailman/listinfo
>>>>>>
>>>>>> _______________________________________________
>>>>>> Ale mailing list
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>>>>>
>>>>> _______________________________________________
>>>>> Ale mailing list
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>>>>> http://mail.ale.org/mailman/listinfo
>>>>
>>>> _______________________________________________
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>>
>>
>> --
>> Joey Kelly
>> Minister of the Gospel and Linux Consultant
>> http://joeykelly.net
>> 504-239-6550
>>
>>
>> _______________________________________________
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>> http://mail.ale.org/mailman/listinfo
>>
> 
> Guys, thanks for the help.
> 
> Here is an update. I installed OpenWRT, which is weird as this board
> doesn't have wireless. I can add Mini-PCIe or M.2 E/A key, but I will have
> to do some research as to what works with OpenWRT.
> 
> So, after installing it. Found my issue, I am a bit of DA for this, Debian
> ( Armbian ) was seeing the four port lan as five
> 
> eth1, lan0 at eth1 ~ lan3 at eth1
> 
> I keep wondering why, and I keep wondering why nothing was working. Here is
> why I am DA, I need to setup a brigde, ugh
> 
> root at styx:~# brctl show
> bridge name     bridge id               STP enabled     interfaces
> br-lan          7fff.ca33fcc76e9c       no              lan2
>                                                          lan0
>                                                          lan3
>                                                          lan1
> 
> That made a lot of sense, I then understood that I will need some iptables
> so that wlan0 is the gateway for the device, that iptables will control the
> flow, but for now.
> 
> Here a picture of what the Banana-Pi R2 Pro looks like.
> 
> https://uglyscale.press/2023/10/08/new-network/
> 
> Now I face two more bumps;
> 
> 1) I need Ethernet over Power Plugs so that I can connect the router to the
> office. I wish there was a Wireless to Plug, but a Plug is fine.  Any
> recommendations are welcome.
> 
> 2) I wanted Open Vault Media because I could use the sata on the board, but
> OpenWRT doesn't see My SATA, I am not sure if it is because it's a SSD, but
> I am going to try mechanical one later, it works great with a USB. I am
> excited because now I can set up the NAS I want.
> 
> Thanks Alex, you recommend OpenWRT, at that time there wasn't a good image.
> My skills are there yet to build an image, I am learning.
> 
> Thanks guys.
> 
> 
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