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// assembly-deployment-configuration-kafka-bridge.adoc

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= Bootstrap servers

A Kafka Bridge always works in combination with a Kafka cluster.
A Kafka cluster is specified as a list of bootstrap servers.
On Kubernetes, the list must ideally contain the Kafka cluster bootstrap service named `_cluster-name_-kafka-bootstrap`, and a port of 9092 for plain traffic or 9093 for encrypted traffic.

The list of bootstrap servers is configured in the `bootstrapServers` property in `KafkaBridge.kafka.spec`. The servers must be defined as a comma-separated list specifying one or more Kafka brokers, or a service pointing to Kafka brokers specified as a `_hostname_:_port_` pairs.

When using Kafka Bridge with a Kafka cluster not managed by {ProductName}, you can specify the bootstrap servers list according to the configuration of the cluster.

include::../modules/proc-configuring-kafka-bridge-bootstrap-servers.adoc[leveloffset=+1]
