Wireless mesh networking on Raspberry Pi using batman-adv protocol

Question

So I\'m trying to setup a wireless mesh network using Raspberry Pi\'s, with the Edimax EW-7811Un WLAN Adapter and the batman-adv protocol.

I\'ve tried following the

Answer 1

I just checked your configuration with two Raspberries and the same Wifi Adapters (Edimax EW-7811Un) on Raspbian. Long story short: I get the same results as you do.

My findings are as follows

1. Setting up one Raspberry for adhoc as described and connecting from IPad or Notebook ... works fine
2. Creating an adhoc connection on the Notebook and let one Raspberry join ... works fine
3. Setting up one Raspbery for accesspoint and connecting from IPad or Notebook ... works fine
4. However when setting up two Raspberries either in adhoc mode or accesspoint mode wont connect to each other ... doesnt work!
5. As you figured out by this source here the available modes of these adapters (rtl8192cu) are unclear.
6. Other sources create adhoc connections easily with similar setup and other wifi adpater like described.

It pretty much seems like the adapters drivers won't allow this connection.

Please note: setting up an accesspoint with these adapters requires a special compiled hostapd: read here to find out how