Hi,
We are setting up a wifi adhoc network where one of the device that is
connected to the ethernet (master) works as the gateway for other
devices (slaves) within the adhoc network.
On both master and slaves the wifi interface runs in adhoc mode. We also
create a virtual interface from this wifi interface which runs in
monitor mode.
We are using babeld on the wifi interface to create a mesh on top of
this adhoc network because these devices (slaves) are spread across a
large area and they do not have direct connection to the master.
All these devices capture and transmit data to our servers
We are trying to setup two gateways so that there is no single point of
failure within the adhoc network and the devices can still transmit the
captured data to the servers.
But we are seeing some strange behaviour.
Assume that for now we have two devices connected to ethernet, m1 and m2
and s1..s6 are slaves.
When we first start all these devices we see that m1 is the gateway for
all slaves s1..s3 and m2 is the gateway for slave s4..s6
When we pull the ethernet plug for m1, we see that all the routes that
were present in s1..s3 do not correct themselves to use m2 as gateway.
Neither does m1 correct itself to use m2 as the gateway.
Also, when we disable the wifi interface on m1, slaves s1..s3 get all
negative routes and they are completely our of the network until the
wifi interface on m1 comes up again.
Is this the expected behaviour?
Command to start babeld on master:
start-stop-daemon --start --pidfile /var/run/babeld.pid --exec
/usr/local/bin/babeld -- -C 'redistribute metric 128' -C 'redistribute
proto 3 allow' -d 3 -L /var/log/babeld.log -D -I /var/run/babeld.pid -r
-g 33123 wlan0
'redistribute proto 3 allow' is used to distribute routes generated for
the ethernet interface.
Command to start babeld on slaves
start-stop-daemon --start --pidfile /var/run/babeld.pid --exec
/usr/local/bin/babeld -- -d 3 -L /var/log/babeld.log -D -I
/var/run/babeld.pid -r -g 33123 wlan0
Regards,
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