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Linux/WL1837MOD: IP Address per Mesh Node

Ulrica Wang
Prodigy 170 points
Part Number: WL1837MOD

Tool/software: Linux

Hello,

I have set up a mesh network. What I want to do next is make it so that every node that joins the network can connect to the internet. What are the steps I can take to accomplish this?

Currently, I have a node acting as a mesh portal (Mesh + STA modes), and it can connect to the internet. Additionally, I have a node in the mesh network acting as a mesh point (mesh standalone). However, the mesh point cannot connect to the internet (can't ping google.com or the ip), but the mesh nodes can ping each other. All roles (mesh, STA) are on channel 149/frequency 5745 MHz.

Using iw dev mesh0 station dump gives me this information:

root@am335x-evm:/usr/share/wl18xx# iw dev mesh0 station dump
Station 7c:ec:79:c8:4f:7d (on mesh0)
inactive time: 230 ms
rx bytes: 41732
rx packets: 639
tx bytes: 1639
tx packets: 16
tx retries: 0
tx failed: 0
signal: 0 dBm
signal avg: -63 dBm
Toffset: -10229304724880 us
tx bitrate: 150.0 MBit/s MCS 7 40MHz short GI
rx bitrate: 65.0 MBit/s MCS 7
expected throughput: 140.625Mbps
mesh llid: 0                                   
mesh plid: 0
mesh plink: ESTAB
mesh local PS mode: ACTIVE
mesh peer PS mode: ACTIVE
mesh non-peer PS mode: ACTIVE
authorized: yes
authenticated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no

I am using 2 Beaglebone Black boards with E14's wireless capes.

Wlcore Firmware Versions: 8.9.0.0.79 and 8.2.0.0.242

Hostapd v2.6

Wpa_supplicant v2.6

  • 0
    TI__Genius 10550 points

    Hi Ulrica, 

    Can you please detail the use case for the mesh nodes requiring to connect to the internet? Can the data be routed through the mesh portal? 

    Regards, 

    Sudharshan K N

  • 0 in reply to Sudharshan KN
    Prodigy 170 points

    I have simplified my setup:

    Mesh Portal (Mesh + STA modes) ---------------- Mesh Access Point (Mesh + AP modes) -------------------- End device (Android phone)

    I don't think the data is being routed through the mesh portal because while I can ping google over the wlan0 (STA) interface, I cannot ping google over the mesh0 interface. Ultimately, my goal is to have the end device access the Internet through the mesh network.

  • 0 in reply to Ulrica Wang
    TI__Mastermind 35795 points

    Hi , 

    You cannot bridge mesh/sta interfaces - probably you can run NAT layer on top forwarding sta packet to mesh , but then that's out of scope of this forum . You may run ethernet/mesh on same device and then bridge both interfaces. this node can act as bridge to other mesh nodes.

    Saurabh