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Konoki5k's avatar
Aug 05, 2020
Solved

Looking to buy but need more info

I need to segment my wife's  work computer from the rest of the network. Currently we're using a router behind a router which causes a double nat and she's taking a performance hit. I want to get a l...
  • schumaku's avatar
    Aug 05, 2020

    Konoki5k wrote:

    I need to segment my wife's  work computer from the rest of the network.


    What's the reason for this need?

     


    Konoki5k wrote:

    Currently we're using a router behind a router which causes a double nat and she's taking a performance hit.


    Unless you have  10 Gigabit symmetrical Internet connection - any decent consumer router does make some 750 to 950 Mb/ s concurrent traffic in both directions, unless a large amount of small frames are involved. With this set-up, the wife's work computer traffic does flow over the same L2 broadcast domain and the same home IP subnet work.

     


    Konoki5k wrote:

    I want to get a layer 2 switch to throw her on a vlan and get rid of the 2nd switch.


    "I want" is a good plan. Of course you could introduce L2+ VLAN capable switches, and configure a second VLAN for wife's office traffic. Now, a second VLAN is an 100% dedicated broadcast domain, a very own LAN just using the same physical L2 network, and it requires a dedicated local IP subnet. 

     

    Neither Netgear's consumer routers nor almost all ISP consumer/SOHO routers are supporting one LAN, one IP subnet, ... Said that, you need some more infrastructure to achieve this, e.g. an additional router, a replacement for the current router supporting multiple LANs, ...

    Now I hope you understand my initial question...

     


    Konoki5k wrote:

    Her office is currently 2 switches away from the router. Office switch > bedroom switch > netgear router.


    If the router for serving both LANs is with the Internet connection and the existing network, all switches where the traffic is passing requires a VLAN config.

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