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Forum Discussion

saima24's avatar
saima24
Aspirant
Jul 22, 2026

Problems with Isolating a VLAN

I’m trying to isolate a laptop with the scenario that there may be a possible malware or infection.  Currently my major problem is that we’re not getting our expected results. Our goal is that we have 3 PC’s that we want to restrict traffic so that one of those pcs can communicate to and from the other pc.

11 Replies

  • schumaku's avatar
    schumaku
    Guru - Experienced User

    Nothing you can reach using a basic VLAN configuration.

     

    saima24 wrote:

     Currently my major problem is that we’re not getting our expected results.

     

    What switch model (and firmware version) do you have in mind, or trying?

    • saima24's avatar
      saima24
      Aspirant

      We are using the M4250 Series and I'm trying to test and see if we can restrict one pc from reaching the printer on a separate VLAN but allowing the other test pc to be able to get to that printer, and we want to accomplish these results with IP or MAC ACL's

  • I’m trying to isolate a laptop with the scenario that there may be a possible malware or infection.  Currently my major problem is that we’re not getting our expected results. Our goal is that we have 3 PC’s that we want to restrict traffic so that one of those pcs can communicate to and from the other pc. 

    We are using the M4250 Series and I'm trying to test and see if we can restrict one pc from reaching the printer on a separate VLAN but allowing the other test pc to be able to get to that printer, and we want to accomplish these results with IP or MAC ACL's

    • saima24's avatar
      saima24
      Aspirant

      In a way that did help but there's still the problem of whenever i put the port in inbound everything crashes so I think it could be because of the vlan but I did read the article you sent (thank you btw) and searched up how to correctly create a private vlan and added it in but every ping I do is requested timeout and the connection completely goes away as well (I use an ethernet)

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