From version 23.1.0, Nimbus upgraded to run as 2 independent processes, 1 binary for the Beacon Chain and 1 binary for the validator (so 2 different services). According to https://nimbus.guide/external-block-builder.html "External block building is must be enabled on both beacon node and validator client".
From version 23.1.0, Nimbus upgraded to run as 2 independent processes, 1 binary for the Beacon Chain and 1 binary for the validator (so 2 different services). According to https://nimbus.guide/external-block-builder.html "External block building is must be enabled on both beacon node and validator client".