Bridge mode in a router is a wonderful feature that disables the Network Address Translation (NAT) feature and allows a router to function as a DHCP server without conflicting between IP Addresses.
While the bridge mode is on, your router will act like a bridge, which allows for IP address-independent remote configuration. When you enable bridge mode, you get access to some administrator features that can be enabled with an IP tables rule.
How the Bridge Mode will be Useful for me?
Bridge mode lets you manage traffic in case of temporary conflicts and DNS flushes, and it also enables file sharing. Bridge mode only works with routers that support DHCPv6 and DNSv6, and it will only work with IPv6. If your router is still using the older IPv4 protocol, you can’t use bridge mode.
If you use bridge mode, you can connect multiple routers and can extend the Wi-Fi coverage, this mode also Prevent IP address conflicts and performance issues. And the most useful feature is every device on your network can talk to each other.
Suppose you want to print a picture from your computer and your computer and the printer is connected with 2 different Wi-Fi networks. In this case, you can’t print a picture wirelessly until your computer is not giving any commands.
That is when the Bridge mode comes and it lets multiple routers share one single Wi-Fi network and create a connection between your computer and all the other device you have.