Format

    output alert_unified2: \
        filename <base filename> [, <limit <size in MB>] [, nostamp] [, mpls_event_types] \
        [, vlan_event_types]

    output log_unified2: \
        filename <base filename> [, <limit <size in MB>] [, nostamp]

    output unified2: \
        filename <base file name> [, <limit <size in MB>] [, nostamp] [, mpls_event_types] \
        [, vlan_event_types]