[OpenWrt Wiki] Bridge mode
https://openwrt.org/docs/guide-user/network/wan/bridge-mode10.03.2017 · Bridge mode See also: Bridge firewall This method relies on switching the current modem-router in bridge mode, or by buying a Ethernet modem that supports this mode. Bridge mode is a special mode of operation where the current gateway/modem acts as a network bridge, forwarding all traffic to a downstream device. Firewall bridge mode support in OpenWrt is …
[OpenWrt Wiki] Bridged AP
https://openwrt.org/docs/guide-user/network/wifi/bridgedap25.04.2021 · Bridged AP is to extend your existing wired host router to have wireless capabilities. Clients connecting to OpenWRT will get an IP address from the wired host router.. OpenWrt bridges the LAN network with the WLAN of the device in Access Point mode. The advantage of bridging is that broadcast traffic from Wireless to LAN and vice versa works without further …