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RT-AX86U wired network connection to second WIFI network Hi all, So I have setup a 2nd WIFI network which I’ve connected all my IOT devices to. I’m now considering setting up home assistant on a virtual machine and…

UKTH forums 🛜 Wireless Routers & Modems ASUS & Wireless RT-AX86U wired network connection to second WIFI network Hi all, So I have setup a 2nd WIFI network which I’ve connected all my IOT devices to. I’m now considering setting up home assistant on a virtual machine and...

Viewing 15 posts - 16 through 30 (of 33 total)
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  • #24300
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Yeah, I also did my CCNA, CCDA and CCDP back in the day, fun

    Looking at bigger picture now, Raspberry pi does seem to be the simplest option, shall I speak with ASUS to see if they are rolling out  VLAN’s on LAN to the RT-AX86S / U ?

    May help with decision making process and budget ?

    Or flip the RT-AX86U to run on DD-WRT / Tomato / OpenWrt etc. if supported ?

     

     

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    #24303
    Avatarkev2021
    • Replies 1,205
    • Forum Addict

    Hi, Sure if you don’t mind, can’t hurt to ask, at least will know if its a planned feature they will add or not.

    If not, I’m guessing raspberry pi or similar maybe the way to go for simplicity but would be handy to utilise the VM i have if vlans are doable.  Just got to hope they don’t get broken in updates etc :)

    Kev

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    #24304
    GrisuGrisu
    • Replies 1,006
    • Forum Addict

    FWIW: On AVM modems/routers you can set one LAN-port to guest-WiFi, but they miss VLAN support.

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    #24305
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    FWIW: On AVM modems/routers you can set one LAN-port to guest-WiFi, but they miss VLAN support.

    That is good to know

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24325
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Hi, Sure if you don’t mind, can’t hurt to ask, at least will know if its a planned feature they will add or not.

    Ok, so ASUS have come back and said no plans for VLAN’s on LAN for RT-AX86U/S.

    So Plan B (TBD)

     

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24329
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Plan B

    My thoughts are that you can either:

    Rasberry Pi and home assistant located in 2nd wifi network segment.

    or

    Put Main Network on 1st VLAN, create a second VLAN for 2nd Wifi and the create a third VLAN for the home assistant with a dedicated IP address and use a type of “permit any IP” to the IP address of home assistant.

    or

    Or like above but put home assistant IP in a DMZ (2 firewalls – “front-end” – “back-end”) , but a tad risky in my view.

    VLAN 1 = Main Network

    VLAN 2 = 2nd Wifi

    VLAN 3 or DMZ

     

    Note: Both Subnetting and VLAN’s used together create good security, VLAN’s in particular provide an additional layer of security by creating virtual networks within the same physical infrastructure.

     

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24331
    Avatarkev2021
    • Replies 1,205
    • Forum Addict

    Thanks, shame not come in tot he RT-AX86U/S.

    So I can setup VLans on my Hp switch BUT how do I do it for WIFI? and how to i get a permit all to IP?

    Basically in summary I have a HP 1810G-24 port switch.

    I can basically leave all of those as default and set 1 to be a different VLAN the home automation BUT how do I vlan the WIFI? and make the wired vlan access the WIFI?

    Prob missing a vital piece of the puzzle but i can see them separately but unsure how they “connect” up so to speak.

    Thanks

    Kev

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    #24334
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Thanks, shame not come in tot he RT-AX86U/S.

    It is, I believe ASUS at keeping all the cool stuff like LAN side VLANs to there higher end GT and Pro models etc.

    So out of the above options, which one are you considering, I assume 2nd option based on your questions ?

    If so, I can draw a high end network diagram with key points but a tad concerned this maybe a tad difficult and hence raspberry pi maybe a simpler option

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24337
    Avatarkev2021
    • Replies 1,205
    • Forum Addict

    2nd option is intriguing but not sure how involved and what possible cost would be to buy whatever is needed and I’m not too sure it is achievable?

    Raspberry pi is effectively my last resort plan as ideally I’d want to get a raspberry pi with a NVMe and atm I believe you need some addon card and it connects via a link between 2 USB ports.  I’ve seen rumours a raspberry pi 5 might be coming out this year and I’m hoping they incorporate a NVMe drive.

    Kev

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    #24339
    UK SentinelUK Sentinel
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    • The Skipper

    2nd option is intriguing but not sure how involved and what possible cost would be to buy whatever is needed and I’m not too sure it is achievable?

    Brave chap

    I will try to draw a high end network diagram with key points over the next day or so, alas switches I am not familiar with cmds nowadays etc. but I am sure they can be researched online etc.

    Also now thinking that maybe a multi NAT and DMZ type configuration using a couple of routers might work and be a little easier to configure, I will try to also produce a overview network diagram.

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24355
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Hopefully the below diagrams will be of use

    Diagram 1

     

    Diagram 2

     

    Thoughts:

    Diagram 1 is simple to setup and involves 2x wifi routers, wifi router 2 is in essence in double NAT, but should not cause any issues with kit on the main network gaining access to internet for updates etc, Remote dial in for main network would be tricky due to the double NAT, but as far as I am aware, this is not required for main network.

    The main point here is that Home Assistant is placed in a DMZ from Wifi router 1 and thus enables both 2nd network and main network to access home assistant whilst still keeping  main network separation form 2nd network.

    Note: Alas, Putting Home Assistant in DMZ is not ideal and second network card maybe needed with dedicated IP and / or port forwarding rules applied to router, but minor points.

     

    Diagram 2 is much more logical in architecture, but does require 3x VLANs to be configured and good switch cmd knowledge.

    Good aspect of Diagram 2 is that if extra wifi device is required, they can be connected via VLAN assigned ports and easily adaptable.

    VLAN 1 = Main Network

    VLAN 2 = 2nd Network/Wifi

    VLAN 3 = Home Assistant dedicated VLAN

    As detailed previously, Main Network on 1st VLAN, second VLAN for 2nd Wifi and the create a third VLAN for the home assistant with a dedicated IP address and use a type of “permit any IP” to the IP address of home assistant

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24369
    Avatarkev2021
    • Replies 1,205
    • Forum Addict

    Hi,

    Thanks for diagrams, very helpful.

    So I’m not too far off from being able to do Diagram 2…. My HP1810-24G switch has a web GUI which I can assign ports to vlans (no command line required) so that’s easy to do.

    However – how do i assign WIFI to a VLAN? as the router is doing the WIFI, I don’t have a AP plugged into a port on the switch doing the WIFI would be easy if wired by it’s WIFI.

    In fact I think it defaults to putting all ports in the same vlan (can’t recall the ID off the top of my head).

    Kev

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    #24370
    UK SentinelUK Sentinel
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    • Replies 8,472
    • The Skipper

    So I’m not too far off from being able to do Diagram 2…. My HP1810-24G switch has a web GUI which I can assign ports to vlans (no command line required) so that’s easy to do.

    Diagram 2 would be my design of choice preference also as its it has inbuilt scalability and just more logical etc.

     

    However – how do i assign WIFI to a VLAN? as the router is doing the WIFI, I don’t have a AP plugged into a port on the switch doing the WIFI would be easy if wired by it’s WIFI.

    If you look closely, Diagram 1 routers are named ‘wifi router’, Diagram 2  router is just called ‘router 1’ (no wifi)

    My thoughts were that ‘switch limitations permitting’ you could enable say port 24 to use VLAN 1 or 2 for example etc. and then plug in a wifi device (if needed) into that port (ethernet) and then automatically all data going via the wifi device through that port should be suitable for the assigned VLAN ID no.

    Don’t take the design to literally, as some mods maybe needed to suit the kit you have or may need to get, and skillset.

    .’. Had a quick look at your particular HP Switch and hopefully the below helps ?

    https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-c02596180

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #24371
    GrisuGrisu
    • Replies 1,006
    • Forum Addict

    Why dont you keep it simple and use an ax-Repeater with LAN-Ports?
    So you are connected with this subnet to specific WLAN and you can use wired or wireless devices behind in their own clowd.
    You even need less devices to be managed seperately.

    Of course, that wont be that challenging …

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    #24374
    UK SentinelUK Sentinel
    Keymaster
    • Replies 8,472
    • The Skipper

    Why dont you keep it simple and use an ax-Repeater with LAN-Ports?

    Yes good idea, lots of smaller options to consider

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    In a completely sane world, madness is the only freedom (J.G.Ballard).

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