Enables/disables the synchronization between
the SNMPv1 community and the SNMPv3 password.
If enabled the first read-write community in hmAuthCommTable
is used for the SNMPv3 admin password.
This is the same password that is used in the user- and
webinterface.
Further, if enabled the first read-only community in
hmAuthCommTable is used for the SNMPv3 user password.