mosquitto_slave.conf

# Different port for slaves?
port 1883
#try_private 1


# Bridge configuration
connection ctc
#local_clientid rhpc.local
remote_clientid lctc-c01
address ctc.ibr.cs.tu-bs.de:1883
# qos=2, this has to be set!
topic # both 2 
# Forward $SYS topic of state 
notifications true
topic $SYS/broker/connection/+/state
cleansession false
try_private true