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Forum Discussion
M4v3r1cK87
Jan 04, 2026Aspirant
[MS108TUP] - Switching - VLAN and routing
Hello everyone, I've this network configuration: Firewall --> MS108TUP --> Access Point Wifi The firewall and the AP is not a Netgear product. I've a domotic house so I've decided to separa...
M4v3r1cK87
Jan 05, 2026Aspirant
Hi schumaku
I've configured the interface of the firewall as "VLAN" (not bridge), in this way the firewall create a new network with is own DHCP Server and subnet.
I think that all pass throught the firewall, because is the firewall that "generate" the VLAN.
So, if the devices take the IP from the firewall, why the traffic not pass throught it also in "intra-VLAN"?
StephenB
Jan 05, 2026Guru - Experienced User
M4v3r1cK87 wrote:So, if the devices take the IP from the firewall, why the traffic not pass throught it also in "intra-VLAN"?
The short answer is that this isn't working as you expect because the devices are on the same subnet.
The client devices only send their traffic to the router (firewall in your case) when they are trying to reach a device on a different subnet. Otherwise, they send it directly to the mac address of the destination device. The switch will then forward that traffic directly to the destination.
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