You have a Consul cluster running production workloads in your environment. However, you've discovered that the cluster was initially deployed without gossip
encryption configured, which means that traffic is being sent in cleartext. The security team has requested this to be updated ASAP. However, you can't take an outage on
the Consul service right now, knowing the server nodes will stop communicating once you start editing the configuration files one by one.
How can you enable gossip encryption on the existing cluster without affecting the services it is currently providing the business?