Why are some devices on the same subnet unable to communicate with each other. This occurs because VLANs create separate broadcast domains, and devices rely on broadcasts like ARP requests to communicate within the same subnet. They may be in the same "class C" network, but that (unfortunately) says nothing about the actual subnets involved. Jan 23, 2018 · Not sure what is exactly happening since it was always working before but VMs on different subnets within the same virtual network with no NSGs or firewalls between them can not talk to each other. Nov 8, 2024 · Despite being on the same IP subnet, Device A and Device B cannot communicate with each other. Oct 3, 2010 · Without knowing what subnet mask you are using, it's impossible (for us) to say if they're on the same subnet or not. . Jan 12, 2022 · The SVI for the VLAN exists on the firewall. Nov 17, 2022 · I recently reinstalled Windows 10 (latest version) on 3 PCs in my home, since then these 3 devices cannot communicate with each other, ping, RDP, access file shares etc. From the firewall (and from other places in fact) I can ping one of the devices but not the other. The two devices' switch ports are configured for the same VLAN and I have confirmed they are identical by comparing their configurations using Notepad++. tqjupjd byiw qyannh mweem uaq wojbci qurwp tshz mxqgxa epu