Mesh/BATMAN-adv

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These notes are valid for OpenWrt 12.09 (Attitude Adjustment), which uses BATMAN 2012.4.0. In newer versions, the version of BATMAN used is 2013.0.0 and the syntax for configuring BATMAN differs slightly. See this page on open-mesh.org for more info.

Wireless configuration

In /etc/config/wireless:

config wifi-device 'radio0'
	option type 'mac80211'
	option hwmode '11g'
	option channel '3' 
	option disabled '0'
	option phy 'phy0'

# the interface where non-mesh nodes connect
config wifi-iface
	option device 'radio0'
	option ifname 'ap0'
	option encryption 'none'
	option network 'lan'
	option mode 'ap'
	option ssid 'sudomesh'

# the mesh interface
config wifi-iface
	option device 'radio0'
	option ifname 'adhoc0'
 	option encryption 'none'
	option network 'mesh'
	option mode 'adhoc'
	option bssid 'CA:FE:C0:DE:F0:0D'
	option ssid 'sudomesh-backchannel'

Network configuration

In /etc/config/network:

config interface 'loopback'
	option ifname 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config interface 'lan'
	option type 'bridge'
	option proto 'static'
	option ipaddr '10.42.10.11' # this should be a unique IP
	option netmask '255.255.0.0'
	option dns '208.67.222.222'
	option gateway '192.168.1.1' # an internet gateway, not sure how to deal with multiple gateways yet
	option ifname 'eth0 bat0'

# the mesh interface
config interface 'mesh'
	option ifname 'adhoc0'
	option proto 'none'
	option mtu '1528'

BATMAN configuration

In /etc/config/batman-adv:

config mesh 'bat0'
	option interfaces 'adhoc0' # the interface for which to enable batman0
	option 'aggregated_ogms' # no idea what this means
	option 'ap_isolation' # no idea what this means

System configuration

In /etc/config/system you can set hostname and timezone. This is not strictly necessary for BATMAN to work, but it should be set correctly. The below timezone is correct for the pacific U.S. timezone. The naming convention for hostnames is: <router-model-name>-<some-unique-name-you-choose>

config system
	option hostname	tl-wr703n-foo
	option timezone	PST8PDT,M3.2.0,M11.1.0