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Let's talk about VLANs


Пікірлер • 311

  • Mrinmay Dhar
    Mrinmay Dhar 2 жыл бұрын +182

    Fun side quest: Count the number of times the elbows lift off the table. Have a drink for every 10 lifts.

    • Vladimir Popović Lipovac
      Vladimir Popović Lipovac 5 ай бұрын

      @Spencer LeBlanc Oh, c'mon, man! You made it even worse, now I can't watch the video without giggling all the time! xD

    • Theo Paris
      Theo Paris 2 жыл бұрын

      @Joe B lol

    • Joe B
      Joe B 2 жыл бұрын +1

      CANT UNSEE. 👀

    • Tim Coscia
      Tim Coscia 2 жыл бұрын +2

      You just fricken had to didn't you? 🤣

    • Baolach
      Baolach 2 жыл бұрын +1

      Cannot... Un... See.... WHY

  • BitKrieger
    BitKrieger 2 жыл бұрын +43

    Minor thing: the /24 does not indicate a class. Classes were abandoned in the 90s :)
    See CIDR (the C stands for classless).
    In a classful network your 10.0.0/24 would not be 'possible' as it would technically be part of one of 128 class A networks (ranging from 0/8 to 127/8).
    To get a /24 you would have to use 192.0.0/24 to 223.255.255/24. Yes, classes were really that silly...
    (I know that 10/8 was private even in classful times but it is an illustration.)

    • The Undertaker
      The Undertaker  Жыл бұрын

      came here to say this basically, thanks for point it out.

  • CarlitoNZ
    CarlitoNZ 2 жыл бұрын +97

    Haha that physical shudder when mentioning "The Printer". We have a printer in our office and we also have that reaction when we actually have to use physical media. God its awful .

    • RM 5000
      RM 5000 2 жыл бұрын

      Imagine getting over 30 users on a vpn and having them print to their local printers through rdp, it's either really simple or a terrible nightmare, you can save A LOT of time by just using hp printers and their awesome hp universal printer driver.

    • Trae Watkins
      Trae Watkins 2 жыл бұрын +1

      @Chris Frizzell I dont know I have had good with the canon image class printers. The only printer that I ever had less problem with was a HP laserjet 4000, well once I got that pesky jet direct card set up.

    • Chris Frizzell
      Chris Frizzell 2 жыл бұрын +8

      Any printer beyond a simple, dumb Brother B&W laser printer is an exercise in frustration.

    • Usama Tahir
      Usama Tahir 2 жыл бұрын +8

      Anytime I get asked to troubleshoot a printer issue it hurts me, that's an hour of my time im not getting back

  • B F
    B F 2 жыл бұрын +4

    Networking trainer here: Overall good job :-D If that Router isn't acting as your Firewall though you're going to need an additional network running between the Router and your Firewall, a default route on the Router pointing to your Firewall's LAN IP, and a static route on the Firewall pointing back to this router for each of the networks you've made.
    Keep having fun!

    • Jmhm17
      Jmhm17 2 жыл бұрын +1

      It's a NGFW. SVI's live there and L2 is just extended southbound. The default route is automatically configured to whatever the WAN port picks up. It's a prosumer all in one device very simple when comparing it to anything enterprise level. Think of it as a Meraki MX

  • Dennis Pillow
    Dennis Pillow 2 жыл бұрын +5

    Two items....1)I would love to see a video on PIhole setup for dhcp/dns 2)I heard you mention Procurve. My first love of network switches it was :)

  • Ryan Mix
    Ryan Mix 2 жыл бұрын +14

    Asking nicely for that pihole dhcp video. Also would love to see more about configuring firewall rules across vlans on the udm pro

  • HarpinHurst
    HarpinHurst 2 жыл бұрын

    I only occasionally alter my network settings when I'm dabbling with something new and VLANs have always been semi confusing. You helped clear some stuff up! On a completely separate note, a Four Loko would probably be an entertaining addition as the "post credits scene" drink. Just be prepared for the foggy memory that comes afterwards.

  • Joseph Valencia
    Joseph Valencia  Жыл бұрын

    Just want to say thanks for providing these videos man. Also, I'm a fan of how you go about presenting them. Good stuff my friend!

  • The Unexpected Inquisitor
    The Unexpected Inquisitor 2 жыл бұрын +2

    2:43 Yes, every IT guy knows the pain printers bring to us 😃

  • Eric Frazier
    Eric Frazier 2 жыл бұрын

    I'm with you about the HAZE CRAZE. They don't look like beer, and frustratingly simple. I do have a Managed switch in the mail to help tame my home network. Looking forward to digging in further.

  • Graham Rule
    Graham Rule 2 жыл бұрын +15

    Are you only going to do IPv4 networking? How about IPv6?
    Oh, and I agree about hazy beers often becoming unpleasant after the first few sips.

    • dro3m
      dro3m 10 ай бұрын

      IPv6 has very little use in a home network, or even a business network. I mean what are you gonna do with billons of IP addresses?

  • Vinny Vidi Vintage!
    Vinny Vidi Vintage! 2 жыл бұрын

    This seems like such a good idea, but I am a bit scared to implement... careful planning... also don't want to mess up work situations with all the work from home going on...

  • Rolf Karlsson
    Rolf Karlsson 2 жыл бұрын

    One important note/warning about using the 10.x.x.x range: Some ISP uses this for clients and/or their own equipment. Don't know how common this is but if you pick the same range as the ISP use you'll run into issues. (I am using a 10... address myself but I have seen these address used both for clients in mobile networks as well as used for routers in ISP's infrastructure.)

  • David Ladd
    David Ladd 2 жыл бұрын +2

    A nice in-depth video on PiHole with this setup would be handy for sure. I myself would love to see it.

  • PC Tech Hustle
    PC Tech Hustle 2 жыл бұрын +2

    Being a network engineer as my day job I particularly enjoyed this video! But for real... you ain’t styling with VLANS until you stretch them across geographic data centers!

  • Hole InTheSeat
    Hole InTheSeat 2 жыл бұрын +1

    perfect timing on the vid. Been considering a UDM pro. I wasnt sure what vlanning looked like. Tho im still not sure if i want too. As i currently have pfsense virtualized in proxmox with a pcie nic passed through.

  • Shaune Hannen
    Shaune Hannen 2 жыл бұрын +3

    The printer shiver. My god, I felt that. They're the bain of any technical person- myself included.

  • Rhynri
    Rhynri 2 ай бұрын

    When you mentioned the 192 address space as the default I was like, aww, he doesn't have a Unifi device. But then you set everything up in the exact same UDM Pro I have, so thanks so much for the video! Love your content, it's excellent.

  • sash alexander
    sash alexander 2 жыл бұрын +17

    With this setup you are still hitting your router each time you need to pass a packet across to another vlan. Router on a stick is not an ideal configuration. Having a layer 3 core switch that does inter vlan routing would be better.

  • Manuel Rodriguez
    Manuel Rodriguez 2 жыл бұрын +1

    Nice high level video. I'd like to give a heads up. A broadcast on a VLAN gets sent to every switchport the VLAN is assigned to. The switch isn't looking for a specific IP address, but a specific MAC address. All F's in the MAC header in the frame. Unifi makes it very easy but blurs the divide between layer 2 and layer 3.
    Otherwise great video. I love the topics you bring up!

  • Patrik
    Patrik 2 жыл бұрын

    When I switched over to my pfSense box, I set up different physical networks and made pfSense route between them instead. It's not feasable when you need more than however many ports you have, but in my case it was just enough (5+WAN).

  • Eric Lind
    Eric Lind  Жыл бұрын

    I wonder if the flavors you're getting from the hazy IPAs are about temperature. What about cooling more for the initial open and taste and then considering the profile more as it warms? What if you just like hazy IPAs when they're colder?

  • Liberty Cornwell
    Liberty Cornwell  Жыл бұрын

    Well, now I know what I'M gunna be doing with the home network this next weekend!!! Thank you for the great tutorials. 👍

  • Gn Gn
    Gn Gn 2 жыл бұрын

    Please do the pihole video? more VLAN videos in general would be great.
    This might have actually finally unlocked the concept of VLANs in my head. I have 1 question though and its the reason why I never could comprehend how to set this up:
    When you set up your IOT devices to their own vlan and your servers on a seperate vlan how can you get your IOT devices to communicate with your servers?
    I have a temp sensor in my IOT VLAN and then I run a server on the Server VLAN that logs the temp data how would I be able to keep the communication between these two devices?
    I've always tried to setup VLANs and then lost the ability to access a web interface for the device or whatever and this always made me say ahhh forget this.
    EDIT: ahh 💡 I think Id have to have a device setup for inter-vlan communication as described by the "Corporate" setting for purpose in your video.

  • Matthew Jenkinson
    Matthew Jenkinson 2 жыл бұрын

    Perfect timing, was going to set something like this up to segment the clients, cameras and servers.

  • FEPLabs Radio
    FEPLabs Radio 2 жыл бұрын

    Good video dude.
    I just got my UDM Pro installed last week, lit up Pi-hole several days ago. I'd love to see your implementation!

  • Doozy Bytes
    Doozy Bytes  Жыл бұрын

    separating servers from clients can be tricky....you would then rely on the routing capacity of your router to route traffic between networks (unless you have a router on a stick configuration in which your switch is acting as a L3 switch and is doing inter-vlan routing) - this is fine if every vlan has its own physical interface, but becomes tricky if you use the same interface for many many vlans. You avoid broadcasting traffic at the expense of pushing all traffic through the same interface and saturating its bandwidth.

  • AeonPrime
    AeonPrime 2 жыл бұрын +2

    Have to correct at 6:45 , although you're using a /24 SNM it's still a class A network since it's in the A class "block".
    The three private ranges are each in a seperate class btw.
    10 A Class
    172 B Class
    192 C Class

    • Jmhm17
      Jmhm17 2 жыл бұрын

      It's using a VLSM, and its called a classless address - that is very much a class C. The beauty of private networks is you can carve them up however you want. You can create any ip space you want you do not need to have a classfull address of 192.168.1.x to only use a /24. You can literally make any subnet a /24 but the rules of subnetting still apply to your host, and network bits. The mask is what determines your network size. Not your network address.

  • hasan nashef
    hasan nashef 2 жыл бұрын

    I don't know if this is something you would be intrested in doing but can you make a tutorial on how to build and setup a NAS and recommend to us the minimum specs we should use? i'm very confused on what parts should i buy, and i'm worried that if I buy low specs or old hardware it might not work properly

  • Charles Shipman
    Charles Shipman 2 жыл бұрын

    Over Covid, I used your videos to set up a simple Unifi home network (USG, 8 port unifi poe switch & Nano AP).
    Would you consider a video on how to set up Unifi to give the BEST possible Zoom meeting experience?
    I have 300mb Fios, and sometimes, intermittently, my Zoom meetings just come to a crawl or even disconnect.
    I'm hoping you might have some advice on settings for QoS to prioritize Zoom traffic. I saw something about enabling "Smart Queues ".
    The info icon says "Prioritizes traffic and reduces delays when the router/bandwidth becomes overloaded"
    I did that, but I don't really know what it did or if it helped yet. It seems to have reduced my network speed when I do a speed test.
    I have struggled to find a good video that walks me through this in a way that is easy to follow and understand.
    Thanks again, and keep up the GREAT work!!

  • Zakariah Forbes
    Zakariah Forbes 2 жыл бұрын

    Good stuff!
    What about less common ip ranges reserved for carrier-grade NAT?

  • zeroninefive
    zeroninefive 2 жыл бұрын

    Literally just hooked up my UDMP and saw this before powering it on - glad I stopped to watch this! always appreciate your videos and have learned so much this year from you a long with network chuck! Cheers!

  • kb1qzh
    kb1qzh 2 жыл бұрын +1

    Procurve switch info would be very useful. Especially how to quiet the fans.

    • Matthew Jenkinson
      Matthew Jenkinson 2 жыл бұрын

      I hear ya there, have recently set up a S5800 24 PoE, it's actually not super loud, but audible while I'm in bed.
      Fan swap seems to be the gist of quieting it, have yet to open the lid though.

  • Philip Vladson
    Philip Vladson 2 жыл бұрын

    Good info, thanks for the video. Maybe one day I'll get there, but I feel if I start shopping for servers my wife will need a better reason than "just to tinker".

  • stevolus
    stevolus 2 жыл бұрын

    Vlans are amazing if done right. If done wrong, like Ive seen, its a nightmare. Ive worked with people who have some weird mindset where they think absolutely everything ever need to be Vlanned off. Vlan for laptops when on ethernet, vlans for laptops when on wifi etc. Too many vlans becomes a support nightmare. I think its more of an older mindset though.

  • Mark Sterling
    Mark Sterling 2 жыл бұрын

    Nice to see VLANs getting promoted. I have used the 10 network range for the last 25 years. And vlans for about 8 years. Really helps trusted stuff, iot stuff, guest, cctv and voice all on separate networks. Networks like guests and iot go out to the internet through a vpn unlike the trusted stuff

  • Wekiwa
    Wekiwa 2 жыл бұрын

    Your timing is suspect Jeff...! I finished part one of my home lab changes last night. Look forward to what you present next. I agree with avoiding 192.168 .x.x.x scheme, have avoided that one for years.

  • Diet_Bepis
    Diet_Bepis 2 жыл бұрын +39

    You are now aware of Jeff’s restless elbows.

    • Deraco1
      Deraco1 2 жыл бұрын

      I noticed this first I started watching his videos. Psivevri does the same thing. After a while, it becomes kinda natural for them if you don't focus on it. Just a mannerism

    • Not ReallyMe
      Not ReallyMe 2 жыл бұрын

      It’s worse at 1.5x

    • Darren Falconer
      Darren Falconer 2 жыл бұрын

      Damn it!!

    • Greg Johnson
      Greg Johnson 2 жыл бұрын +1

      I had to put a window over the right side of the screen while he's talking.

    • Jordan Scott
      Jordan Scott 2 жыл бұрын +5

      Now I can't unsee them...

  • FireX
    FireX 2 жыл бұрын

    Not to mention that VLANs and strong firewall rules at the layer 3 routing layer are very important for security of things such as you servers and isolating those ssuper insecure hosts such as IOT devices.

  • Mark Caudill
    Mark Caudill 2 жыл бұрын

    I'm really interested in seeing how Pi-hole can support DHCP/DNS for multiple VLANs.

  • Techno Tim
    Techno Tim 2 жыл бұрын +2

    Nice! It's painful to switch but once you do it's well worth it!

    • Craft Computing
      Craft Computing  2 жыл бұрын +1

      I've got my own mDNS solution ;-)

    • Techno Tim
      Techno Tim 2 жыл бұрын +1

      Oh, and be prepared for the half baked mDNS with UniFI. I've been fighting it work months. Your printer may not be happy.

  • James Martin
    James Martin 2 жыл бұрын

    Most homelabs aren't going to have that much broadcast or arp traffic on the collision domain to justify vlans. Its cool practice, but you should be exploring the security angle and not necessarily the speed angle.

  • jdancouga
    jdancouga 2 жыл бұрын +2

    Nice timing. I just started looking into setting up vlan for home NVR.

  • brwainer
    brwainer 2 жыл бұрын

    Pihole doesn’t have GUI support for multiple DHCP ranges, but I am considering putting in the work in the config files manually to set it up. Please do make a video about it if you do this.

  • ramhee
    ramhee 2 жыл бұрын +36

    VLAN's are those things which make my homelab complicated. Got a dozend VLAN's hehe

  • Melvin Klein
    Melvin Klein 2 жыл бұрын +1

    Perfect timing!
    I'm currently looking into using VLANs in my home network and have 0 knowledge about them.

  • Seth Simmons
    Seth Simmons 2 жыл бұрын

    my former boss told me years ago he once ran out of IP addresses at his house...needless to say it made me pause. later on, he told me whatever was doing dhcp was for some reason not cleaning up address leases and kept using new addresses until the scope was exhausted. good reason for vLANs :)

  • Karl Fanega
    Karl Fanega 2 жыл бұрын

    Awesome... I wanted to ask..
    Why use pi-hole as DHCP too? Will it be better to use UniFi as DHCP and pi-hole as DNS like your other tutorial?

  • S
    S 2 жыл бұрын

    Just wondering what the benefit is of using nordpass compared to chrome's built in password manager which is bassicly secured behind your gmail account.

  • Hole InTheSeat
    Hole InTheSeat 2 жыл бұрын

    I usually try to steer clear of vlans 100-1100, due to the possibility of old token-ring stuff.

  • asbestinuS
    asbestinuS 2 жыл бұрын +6

    Hey, thank you for the video. I'd like to see some firewall setup in future videos, is that possible? You know, what ports and protokolls are allowed from certain networks to certain networks and why?

  • Lars Lessel
    Lars Lessel 2 жыл бұрын

    Nice video. Short, but very informative!

  • Guga
    Guga 2 жыл бұрын

    Love it!!! I'll do it for sure... but please, please, please, do a video on Pi-Hole as DNS and DHCP server for the main network. Just to explain my idea. Here at my home I have a total of 5 computers, 5 portable devices, 3 game consoles, 1 rack server with some virtual servers (one being the Pi-Hole DNS as you teach in the past video), I also have some IP cameras in the network a NVR device for recording the cameras and Smart TV's. Mainly, what I want to achieve here is to separate the Computers, Consoles, Devices from the cameras and some servers. My router is a TP-LINK ER-6120 and it does support VLAN and also is the main DHCP server in my network. I can also use a MikroTik Hex Rb750gr3 but I'm still studding it. My main doubt is about having access to my cameras from different VLAN's, and still have my main network protected. Also, do a video on Pi-Hole DHCP, this is very interesting.

  • GodSpoon
    GodSpoon 2 жыл бұрын +2

    One of these days he's going to hit us with a "..and as of today, I'm Craig"

  • Cory Miller
    Cory Miller 2 жыл бұрын +62

    Asking nicely for pi hole tutorials for DNS and DHCP!

    • KG6ZVP
      KG6ZVP 2 жыл бұрын +1

      For those wondering how to do DNS and PiHole with VLANS, you just do it exactly the same way you would without them, just on a network with VLANS.

    • Bprepared
      Bprepared 2 жыл бұрын

      I'd like to also like to add to the 'asking nicely', have PiHole DNS and unbound working nicely, but the PiHole DHCP tutorial would be good since I can't find anything decent on the 'web explaining how to set this up for VLANs, and would be greatly appreciated

    • Haxtronaut
      Haxtronaut 2 жыл бұрын +1

      Thank you for asking nicely. I join the motion!

    • O!Technology
      O!Technology 2 жыл бұрын +1

      Didn’t he already do this

  • MadProfessor
    MadProfessor 2 жыл бұрын

    A slightly off topic question, do you have any plans on making a caching server, for games, windows updates, etc, etc?

  • 7633J
    7633J 2 жыл бұрын

    So glad I stumbled upon your channel! It’s great!

  • Skyblockpro1
    Skyblockpro1 2 жыл бұрын

    Yes PRTG is the best. The free trial is enough for most home labs and home networks

  • Grant Murdock
    Grant Murdock 2 жыл бұрын

    I have grown to appreciate the Procurve switches I have at work.

  • Pedro_
    Pedro_ 2 жыл бұрын +5

    It's not the CIDR that determines the class of the network, it's the IP itself, you are just using a mask that is usually used in class C network in a class A network.

    • Jon Betts
      Jon Betts 2 жыл бұрын +2

      Technically the "A,B,C" CIDR Classes have been deprecated since 2006 with RFC 4632.

  • Darren Falconer
    Darren Falconer 2 жыл бұрын

    Wow , I have actually been wanting to research this for a small site.

  • icedkiller686
    icedkiller686 2 жыл бұрын

    You are brilliant! Can't wait for the PRTG video

  • Beauregard Slim
    Beauregard Slim 2 жыл бұрын +1

    "Class C" actually has nothing to do with subnetting of private networks. In the olden times (before the introduction of CIDR in the mid-90s), you would request a "Class C" from the IP address registry and they would assign a publicly routeable block of 255 addresses to you.
    I mention this because new network admins seem to think that using /24 blocks is something to conform to, when you are probably better off using larger (or smaller) address spaces for different network setups. IPs for DHCP pools, for example, start adding up quick when you have redundant servers.

    • Ten Gigabit
      Ten Gigabit 2 жыл бұрын

      @Ioan Even though classful networking has been effectively dead since 1993, it was still being taught in IP theory classes well after the fact. It was so ingrained in the "old school" instructors minds that they couldn't stop referring to IP classes. This perpetuated well into the 2000s, my first IP theory class instructor went over classful networking then made a proclamation of "But don't worry about any of that stuff I just went over..."
      I think that within the last 10 years, we've finally seen classful networking not being taught in networking classes. This is actually the first time I've seen someone on the KZclips mention anything about a "Class C" network or any Class for that matter in a long long time.

    • Ioan
      Ioan 2 жыл бұрын

      Thanks for mentioning the history of classful networking in your correction.
      I was getting very confused why it was being brought up with private networking and when it has been superseded by CIDR.

  • Mark Newton
    Mark Newton 2 жыл бұрын

    just curious how does your vpn gateway fit into this new Vlan structure?

  • Chris Can't Play...
    Chris Can't Play... 2 жыл бұрын

    In follow up videos can I request a focus on how to share things like printers and NAS drives across VLANS? I’ve had a go in the past but got stuck on that point.

  • d1t
    d1t 2 жыл бұрын

    I was just trying to plan out how to do this on a udm pro! Perfect timing!

  • BruhAtTheDesk
    BruhAtTheDesk 2 жыл бұрын +1

    No jokes, i could have used this on Monday. Using a UDM to set up a whole school and trying to figure this shit out on the fly! Thanks a million regardless!

    • charles turner
      charles turner 2 жыл бұрын +1

      It raises the question of why are you setting up a school network without knowledge of VLANs?

  • Frank Johnson
    Frank Johnson 9 ай бұрын

    Why do you prefer a class A address ? Just curious
    Also there are Vlans that are reserved

  • Eric McCartney
    Eric McCartney 2 жыл бұрын

    I love the *shudder*. I have nightmares about printers as well.

  • Home Media
    Home Media 2 жыл бұрын

    I have just setup a PiHole VM with DHCP and Lancache Monolithic on my home network (st00pid new mobem/router has preset DNS settings - so disabling that DHCP and running my own is superb).

  • obfuscated
    obfuscated 2 жыл бұрын +1

    Hey, definitely looking forward to a prtg video!

  • Staś
    Staś  Жыл бұрын

    Your "progress bar" is a very cool idea :)

  • Loïc Springenfeld
    Loïc Springenfeld 2 жыл бұрын

    very interested in the pi hole tutorial !

  • Rod
    Rod 2 жыл бұрын

    You would be surprised if you compare the efficiency of devices in and out of a Vlan. Let's talk about 100 clients. The difference is imperceptible even with heavy traffic. If you have less than 100 clients it is not worth the time wasted to manage the amount of documentation. Today 2020 a modern managed switch can handle very well with hi packages demand.

  • Quentin Stephens
    Quentin Stephens 2 жыл бұрын

    I must confess to some confusion. The way you seem to describe how you're re-doing your network - really until you get to tagging - seems more suited for subnets than VLANs. So you have one subnet for your servers, one for your IOT devices, and so on.

  • Jerimiah Mayle
    Jerimiah Mayle 2 жыл бұрын

    I've been meaning to do VLANs in my home and homelab but Im lazy and suck at understanding it. I have subnets to divide up things rn though

  • Scott Kulik
    Scott Kulik 2 жыл бұрын

    Cool video, but I think it's a bit overkill. Sometimes simpler is better.

  • Taher Sadeghi
    Taher Sadeghi 8 ай бұрын

    Thank you for a fun video to watch. I hope to see more!.

  • Anton Kovalenko
    Anton Kovalenko 2 жыл бұрын

    At which point do you pause to receive the beating over "Why my internet is not working today"? xD
    I love this video because you have Switch that is not also from Unifi so that you're showing how it should be set up and also explain everything on the way.

  • David G
    David G 2 жыл бұрын

    The dog barking analogy was awesome

  • Luc Lagarde
    Luc Lagarde 2 жыл бұрын +35

    This video conflates VLANs (Layer 2) and subnetting (Layer 3). Both are valuable topics for discussion, and often go hand in hand, but it is worth distinguishing between the two.
    Reducing broadcast traffic is a layer 3 issue that can be solved through subnetting and using a router. VLANs are layer 2 segmentation, and are more akin to virtualization of switch hardware. You don't need VLANs to reduce broadcast traffic, you just need additional subnets on a router (or routers) with a sufficient amount of distinct ports and separate switch networks for each of those subnets. Obviously VLANs help solve the multiple ports and multiple switch networks by virtualizing all of that infrastructure on top of a single set of physical infrastructure, but VLANs are really only incidental to the reduction of broadcast domain sizes.

    • Overwatch
      Overwatch  Жыл бұрын

      ​@Ten Gigabit "...All VLANs are subnets; but not all subnets are VLANs..."
      Not true in the general sense unless you define 'subnet' as 'a subdivision of a network'. While that definition is, in the absolute most technical sense true, it has only ever been implemented as a division of IP ranges.
      VLANs can include any arbitrary IP ranges just fine. You could have a VLAN that includes all odd numbered IPs in a class C and it would work just fine.
      The difference between the two is how they are done. Subnetting is done at the address level(layer 3) and includes contiguous addresses. VLANing is done by tagging frames(layer 2), or by trunking.

    • Darren Falconer
      Darren Falconer 2 жыл бұрын +2

      @thebadness don't forget you are the one who replied to me first. I wasn't even asking you for shit and second your answers weren't really any thing of substance unlike what Luc was able to offer.

    • Darren Falconer
      Darren Falconer 2 жыл бұрын +3

      @thebadness cry to some one who cares dude.

    • dfalconerio
      dfalconerio 2 жыл бұрын +4

      @thebadness good thing there are people willing to help others, you could learn some thing from Luc

  • Ronald Mullins
    Ronald Mullins 2 жыл бұрын

    I want to make a homelab/managed home network. I've thought about making physical connections between everything, a main DHCP/DNS and have it branch off to data storage/clients/WAPs each with their own subnet. Is a VLAN a better way of networking than that? It's cheaper I know that, less NICs needed per network. Is there a setup where it would be better to physically segregate a network?

    • eDoc2020
      eDoc2020 2 жыл бұрын +1

      IMO you'd only need to physically segregate a network if you need SUPER-high security, like NSA level security. However another benefit of using separate cables (but not necessarily physically separate hardware) is that each connection gets its own dedicated bandwidth.

  • Voodoo Vinny
    Voodoo Vinny 11 ай бұрын

    Did I miss the Pihole DHCP and DNS server for the different VLANs video? Or did the fans not ask nicely enough?

  • jrucker2004
    jrucker2004 2 жыл бұрын

    just a heads up, some IoT devices can't handle having an IP address outside of the 192.168.X.X range. I can't remember if it was my chromecast or amazon fire stick that threw a fit, but it completely refused to connect to anything when I assigned it a 10.0.0.X address. It threw off all of my plans, and my network still doesn't look the way I want it to look.

      ERIFNOMI 2 жыл бұрын

      I've never had anything complain about my networks in 172.16/16. That includes Chromecasts, google home devices, fire sticks, rokus, android TVs, smart bulbs and plugs, etc.

  • Matt Adams
    Matt Adams 2 жыл бұрын

    "[...] and one printer [shudders]"
    same. I've managed to keep my printer working pretty well but I don't have room near my router to hard-wire it and its WiFi support is... well... it exists...
    When I have a non-rented place of my own, I intend to put my printer somewhere where it can reach a network port or switch port so I don't have to worry about the wifi ever again.

  • Cryptonym
    Cryptonym 2 жыл бұрын +1

    Nice, I've been hoping you were going to do PRTG

  • Tony Williamson
    Tony Williamson 2 жыл бұрын

    Actually vlans do not deny multicast traffic @ layer 3 . Refer RFC 7761 .... just isolates broadcast to a single routing domain

  • uberchemist
    uberchemist 2 жыл бұрын

    Please do a video on your DHCP and DNS configuration. Cheers!

  • strandvaskeren
    strandvaskeren 2 жыл бұрын

    So many vlan numbers to pick from and then you pick vlan numbers in the 1002-1005 range which are reserved for token ring and fddi.. You probably don't use either token ring of fddi, but still - thousands of vlans to pick from and you manage to use some of the very few that are reserved for other things.

  • Sampuran Banerjee
    Sampuran Banerjee 2 жыл бұрын

    Hi,I want to protect my Dedicated servers which host Virtual Private Servers. Unfortunately my data center does not provide it. How would I go about DDoS protecting them? What software would you suggest? I plan to use another server as a mitigation point.

  • joshua lynn
    joshua lynn 2 жыл бұрын

    how do you manage traffic between vlans? like if you want say devices on you guest network to have access to your plex server on an other vlan. is it just a matter of giving the plex server access to both vlans so that it has one ip address for each vlan?

  • GDR Riley
    GDR Riley 2 жыл бұрын +2

    2:43 lol that printer reaction

    • bajanyeti
      bajanyeti 2 жыл бұрын

      Printer ptsd...

  • Zach Alles
    Zach Alles 2 жыл бұрын

    So quick newbie question: how do the devices in one VLAN communicate with those on another? Is there some form of routing involved, hence the need for a DHCP server?

    • Aoi Kuroyuri
      Aoi Kuroyuri 2 жыл бұрын +1

      It's called inter-vlan-routing and it is most of the time handled by a core-router ... It's basically doing the same thing it does between your LAN and WAN but on the same side of the firewall
      *Yes this is a really short explanation and may trigger someone, I don't care as this is a youtube comment and not a network engineer course

  • Travis Augustine
    Travis Augustine 2 жыл бұрын +10

    Jeff: "I probably know the IP address of your router..." Everyone else! OMG!!!... Me...WRONG! LOL