H4: replica
> replica host=<hostname>[:<port>]
-> [bindmethod={ simple | kerberos | sasl }]
+> [bindmethod={simple|kerberos|sasl}]
> ["binddn=<DN>"]
-> [mech=<mech>]
+> [saslmech=<mech>]
> [authcid=<identity>]
> [authzid=<identity>]
> [credentials=<password>]
{{EX:srvtab}} parameters.
SASL authentication is generally recommended. SASL authentication
-requires specification of a mechanism using the {{EX:mech}} parameter.
+requires specification of a mechanism using the {{EX:saslmech}} parameter.
Depending on the mechanism, an authentication identity and/or
credentials can be specified using {{EX:authcid}} and {{EX:credentials}}
respectively. The {{EX:authzid}} parameter may be used to specify