diff --git a/server/modules/filter/cache/cacheconfig.cc b/server/modules/filter/cache/cacheconfig.cc
index db7eb3558..10aeb62f4 100644
--- a/server/modules/filter/cache/cacheconfig.cc
+++ b/server/modules/filter/cache/cacheconfig.cc
@@ -34,24 +34,24 @@ config::ParamString CacheConfig::s_storage_options(
     "\"\""
     );
 
-config::ParamDuration<std::chrono::seconds> CacheConfig::s_hard_ttl(
+config::ParamDuration<std::chrono::milliseconds> CacheConfig::s_hard_ttl(
     &s_specification,
     "hard_ttl",
     "Hard time to live; the maximum amount of time the cached result is "
     "used before it is discarded and the result is fetched from the backend. "
     "See also 'soft_ttl'.",
     mxs::config::INTERPRET_AS_SECONDS,
-    std::chrono::seconds { 0 }
+    std::chrono::milliseconds { 0 }
     );
 
-config::ParamDuration<std::chrono::seconds> CacheConfig::s_soft_ttl(
+config::ParamDuration<std::chrono::milliseconds> CacheConfig::s_soft_ttl(
     &s_specification,
     "soft_ttl",
     "Soft time to live; the maximum amount of time the cached result is "
     "used before the first client querying for the result is used for refreshing "
     "the cached data from the backend. See also 'hard_ttl'.",
     mxs::config::INTERPRET_AS_SECONDS,
-    std::chrono::seconds { 0 }
+    std::chrono::milliseconds { 0 }
     );
 
 config::ParamCount CacheConfig::s_max_resultset_rows(
diff --git a/server/modules/filter/cache/cacheconfig.hh b/server/modules/filter/cache/cacheconfig.hh
new file mode 100644
index 000000000..d606c894d
--- /dev/null
+++ b/server/modules/filter/cache/cacheconfig.hh
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2018 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2022-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+#pragma once
+
+#include <maxscale/ccdefs.hh>
+#include <maxscale/config2.hh>
+#include "cache_storage_api.hh"
+
+typedef enum cache_selects
+{
+    CACHE_SELECTS_ASSUME_CACHEABLE,
+    CACHE_SELECTS_VERIFY_CACHEABLE,
+} cache_selects_t;
+
+const cache_selects_t CACHE_DEFAULT_SELECTS = CACHE_SELECTS_ASSUME_CACHEABLE;
+
+typedef enum cache_in_trxs
+{
+    // Do NOT change the order. Code relies upon NEVER < READ_ONLY < ALL.
+    CACHE_IN_TRXS_NEVER,
+    CACHE_IN_TRXS_READ_ONLY,
+    CACHE_IN_TRXS_ALL,
+} cache_in_trxs_t;
+
+const cache_thread_model CACHE_DEFAULT_THREAD_MODEL = CACHE_THREAD_MODEL_ST;
+
+
+class CacheConfig : public config::Configuration
+{
+public:
+    CacheConfig();
+    ~CacheConfig();
+
+    CacheConfig(const CacheConfig&) = delete;
+    CacheConfig& operator = (const CacheConfig&) = delete;
+
+    using milliseconds = std::chrono::milliseconds;
+
+    config::String                     storage;
+    config::String                     storage_options;
+    config::Duration<milliseconds>     hard_ttl;
+    config::Duration<milliseconds>     soft_ttl;
+    config::Count                      max_resultset_rows;
+    config::Size                       max_resultset_size;
+    config::Count                      max_count;
+    config::Size                       max_size;
+    config::Path                       rules;
+    config::BitMask                    debug;
+    config::Enum<cache_thread_model_t> thread_model;
+    config::Enum<cache_selects_t>      selects;
+    config::Enum<cache_in_trxs_t>      cache_in_trxs;
+    config::Bool                       enabled;
+    char*                              zStorage_options { nullptr}; /**< Raw options for storage module. */
+    char**                             storage_argv { nullptr };    /**< Cooked options for storage module. */
+    int                                storage_argc { 0 };          /**< Number of cooked options. */
+
+    static const config::Specification& specification()
+    {
+        return s_specification;
+    }
+
+private:
+    bool configure() override;
+
+private:
+    static config::Specification                   s_specification;
+
+    static config::ParamString                     s_storage;
+    static config::ParamString                     s_storage_options;
+    static config::ParamDuration<milliseconds>     s_hard_ttl;
+    static config::ParamDuration<milliseconds>     s_soft_ttl;
+    static config::ParamCount                      s_max_resultset_rows;
+    static config::ParamSize                       s_max_resultset_size;
+    static config::ParamCount                      s_max_count;
+    static config::ParamSize                       s_max_size;
+    static config::ParamPath                       s_rules;
+    static config::ParamBitMask                    s_debug;
+    static config::ParamEnum<cache_thread_model_t> s_thread_model;
+    static config::ParamEnum<cache_selects_t>      s_selects;
+    static config::ParamEnum<cache_in_trxs_t>      s_cache_in_trxs;
+    static config::ParamBool                       s_enabled;
+};