[Babel-users] what does 'redistribute metric 128' actually do?

[Harshal Vora]

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.

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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

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Considering that all the slaves might not be in direct proximity of the 
master, should we use "-C 'redistribute metric 128'" on the slaves as well?
How does redistribute work?
How will slaves connect to each other if the master is down?

Consider the following setup

S1------S2------M1-------S3-------S4
Here only S2 and S3 are in proximity of the master.
How will S1 and S4 connect to each other if S2 and S3 are not 
redistributing routes?
What is the significance of metric?


Regards,