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The Daily Insight

Do Bridges separate IP subnets?

Author

Isabella Ramos

Updated on February 26, 2026

You can bridge the networks together, but bridging happens at layer 2. It does not change the fact that you have two IP subnets.

How do you connect different subnets?

How to connect two different subnets

  1. Connect the Server and both Computers to a Layer 3 switch.
  2. Put Server and Computers on same VLAN and enable VLAN trunking.

Can a switch route between subnets?

Traffic is exchanged or routed between subnetworks via routers (many modern switches also include router functionality) when the routing/subnet prefixes of the source address and the destination address differ. A router constitutes the logical and/or physical boundary between subnets.

How do you bridge a subnet?

Connect the “LAN” port to the “network 1” network and give it a static IP address in the “network 1” subnet. Disable any DHCP server on the router. Connect the router’s “Internet” port to the “network 2” network and give it a static IP address in the “network 2” subnet.

Can bridge connect two different networks?

Bridges are a data link layer device and can connect to different networks as well as connect different networks of different types.

Can 2 subnets talk to each other?

Devices in different subnets can communicate. That is the purpose of a router. Routers route packets between different networks. Even if devices in different networks are on the same layer-2 broadcast domain, you need a router to let the devices communicate at layer-3.

Can switch connect two different networks?

You can daisy-chain network switches together. On most switches, it doesn’t matter which port you use to daisy chain to another switch. Just pick a port on both switches and use a patch cable to connect the switches to each other via these ports.

Can two devices on different subnets communicate?

Can different subnets be on the same VLAN?

No, VLANs don’t require different subnets. Different subnets require different subnet addresses if they ever need to be able to route and/or talk to each other) and by extension if one VLAN wants to talk to a different VLAN it must use different addresses so we can make a routing decision to the right place.

Can you have multiple subnets in one VLAN?

But it’s technically valid. Takeaway: Your switches won’t warn you if you have multiple subnets using a single VLAN. Never assume a VLAN has only one subnet.

How do I create subnets in DD-WRT?

There are many ways to create subnets within DD-WRT. By default only the WAN port is unbridged while the LAN switch (which is a hardware bridge) and wireless interfaces are software bridged together. Ways to create additional subnets include: Set the wireless interface to ‘Unbridged’.

What is the difference between DD-WRT and client mode wireless?

Contrast this with Client Mode Wireless, where the local wireless device running DD-WRT connects to the remote router as a client, creating two separate subnets.

What is the default subnet mask for static routes?

The static routes should be configured with: Destination LAN NET – The remote subnet that you are creating the route for. Subnet Mask – The subnet mask of the remote subnet. Typically a Class C subnet mask of 255.255.255.0 is used, which in slash notation is /24 as used in the diagram above.

How do I enable wireless bridging between two WRT54GS?

To enable wireless bridging between two WRT54Gs, one WRT54G has to be in AP-Mode (Wireless > Basic Settings). The following assumes it has the default IP address 192.168.1.1. Let’s call this WRT54G the primary.