For broker 1 bin/kafka-configs.sh --bootstrap-server b-1.kaffka.6r40l0.c4.kafka.eu-central-1.amazonaws.com:9094 --entity-type brokers --entity-name 1 --alter --command-config client.properties --add-config advertised.listeners=[INTERNAL://b-1.kaffka.6r40l0.c4.kafka.eu-central-1.amazonaws.com:9096,EXTERNAL://MSK-kafka-Loadbalancer-25831a7b958a5031.elb.eu-central-1.amazonaws.com:9094] For broker 2 bin/kafka-configs.sh --bootstrap-server b-2.kaffka.6r40l0.c4.kafka.eu-central-1.amazonaws.com:9094 --entity-type brokers --entity-name 2 --alter --command-config client.properties --add-config advertised.listeners=[INTERNAL://b-2.kaffka.6r40l0.c4.kafka.eu-central-1.amazonaws.com:9096,EXTERNAL://MSK-kafka-Loadbalancer-25831a7b958a5031.elb.eu-central-1.amazonaws.com:9095], all works fine here bin/kafka-topics.sh --list --bootstrap-server b-1.kaffka.6r40l0.c4.kafka.eu-central-1.amazonaws.com:9096 --command-config client.…