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  1. Cassandra
  2. CASSANDRA-17923

Mixed mode support for internode authentication during TLS upgrades

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      During upgrades from "non-ssl -> ssl" or "ssl-mTLS" the cluster should be able to function in mixed mode with some nodes supporting "non-ssl" authentication and the new nodes supporting "mTLS" authentication. Currently we do not have this supported and because of which upgrades are not possible for upgrading internode authentication strategies.

      If a node is configured in optional mode for internode connections, retry with other SSL strategies If the node is not able to connect to other nodes due to authentication problems. 

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            Jyothsnakonisa Jyothsna Konisa
            Jyothsnakonisa Jyothsna Konisa
            Jyothsna Konisa
            Jon Meredith, Yifan Cai
            Jyothsna Konisa Jyothsna Konisa
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