Scope of the work

To disable router mode and enable brigdemode in RPI Router . It means, by default device will be in router mode. Once changed to bridge mode , Private WIFI will stop its broadcasting, Ethernet Client should get public IP address (in erouter series) and Wireless client will lose its connection to private WIFI.

Target Audience

RDK-B Operators
RDK-B SoC Vendors
RDK-B OEM's
RDK-B Application Vendors
RDK-B System Integrators

High level Code Flow Design

After boot-up

RDK > BridgeMode Feature support in RPI > codeflow_for_Bridgemode_after_bootup.png

During boot-up

RDK > BridgeMode Feature support in RPI > codeflow_for_bridgemode_during_bootup.png

Supported device

Raspberry Pi4 32 bit
Raspberry Pi4 64 bit

Build Instructions

Target	Yocto version	Build instruction
RPI4 32bit	Dunfell	RPI 4B Model Reference Platform
RPI4 32bit	Kirkstone	kirkstone RDK-B RPI4 32 bit
RPI4 64bit	Dunfell	RPI 4B Model Reference Platform with 64bit Arch
RPI4 64bit	Kirkstone	Kirkstone RDK-B RPI4 64 bit (Both User Space & Kernel Space)

TR-181 Data Model Parameter of Bridge Mode

Module	TR-181 DM Parameter	Input	Output
CcspPandM	Device.X_CISCO_COM_DeviceControl.LanManagementEntry.1.LanMode	bridge-static	To disable router mode functionalities and enable bridge mode functionalities in RPI Router. It means ,Private WIFI will stop its broadcasting, Ethernet Client should get public IP address (in erouter series) and Wireless client will lose its connection to private WIFI.
CcspPandM	Device.X_CISCO_COM_DeviceControl.LanManagementEntry.1.LanMode	router	Change from bridge mode to router mode and verify basic functionality is working fine like internet connectivity for wifi and ethernet clients and also verify admin ui page is accessible.

Test Procedure

Enabling BridgeMode via dmcli

To enable bridge mode run the following dmcli commands,

dmcli eRT getv Device.X_CISCO_COM_DeviceControl.LanManagementEntry.1.LanMode
dmcli eRT setv Device.X_CISCO_COM_DeviceControl.LanManagementEntry.1.LanMode string bridge-static

Enabling BridgeMode via WebUI

Follow the below steps to enable the bridge mode in UI,

1. Open the RPI Router User Interface on web browser

2. From the left-hand column, select "Gateway -> At a Glance"

3. Next to "Enable Bridge Mode", click Enable.

RDK > BridgeMode Feature support in RPI > Enable_bridgemode.png

Once the RPI is in bridgemode , below test cases are needs to be passed,

brlan0 will lose IP address
A new bridge is created lan0(interface link llan0) which will have 10.0.0.1 ip address
Private WiFi should stops broadcasting
Ethernet (lan) clients should get Public IP address(i,e in erouter ip series)
Verify whether the admin UI page is accessible by using 10.0.0.1 ip in ethernet client device
Changing from bridgemode to router mode and verify basic functionalities are working fine like Private WiFi should be broadcasted, able to get ip & internet access for wifi and lan clients and admin UI also accessible in connected clients.