diff --git a/dhcpy6d/config.py b/dhcpy6d/config.py
index 9881e65..b5ce0ef 100644
--- a/dhcpy6d/config.py
+++ b/dhcpy6d/config.py
@@ -121,7 +121,11 @@ def __init__(self):
 
         # INFORMATION REFRESH TIME option 32 for option 11 (INFORMATION REQUEST)
         # see RFC http://tools.ietf.org/html/rfc4242
-        self.INFORMATION_REFRESH_TIME = '6000'
+        self.INFORMATION_REFRESH_TIME = '600'
+
+        # SOL_MAX_RT Option 82
+        # see https://www.rfc-editor.org/rfc/rfc8415.html#page-127
+        self.MAX_SOLICITATION_REFRESH_TIME = '1200'
 
         # config type
         # one of file, mysql, sqlite or none
@@ -727,6 +731,13 @@ def read_config(self, configfile):
             error_exit(f"{msg_prefix} Information refresh time preference "
                        f"'{self.INFORMATION_REFRESH_TIME}' is pretty short.")
 
+        # check max solicitation refresh time
+        if not self.MAX_SOLICITATION_REFRESH_TIME.isdigit():
+            error_exit(f"{msg_prefix} Max solicitation refresh time '{self.MAX_SOLICITATION_REFRESH_TIME}' is invalid.")
+        elif not 60 <= int(self.MAX_SOLICITATION_REFRESH_TIME) <= 86400:
+            error_exit(f"{msg_prefix} Max solicitation refresh time preference "
+                       f"'{self.MAX_SOLICITATION_REFRESH_TIME}' is not greater or equal to 60 and neither smaller or equal to 86400.")
+
         # check validity of configuration source
         if self.STORE_CONFIG not in ['mysql', 'postgresql', 'sqlite', 'file', False]:
             error_exit(f"{msg_prefix} Unknown config storage type '{self.STORAGE}' is invalid.")
diff --git a/dhcpy6d/options/option_82.py b/dhcpy6d/options/option_82.py
index 5b02635..c5ce0c1 100644
--- a/dhcpy6d/options/option_82.py
+++ b/dhcpy6d/options/option_82.py
@@ -25,6 +25,6 @@ class Option(OptionTemplate):
     Option 32 Information Refresh Time
     """
     def build(self, **kwargs):
-        response_string_part = self.convert_to_string(self.number, f'{int(cfg.INFORMATION_REFRESH_TIME):08x}')
+        response_string_part = self.convert_to_string(self.number, f'{int(cfg.MAX_SOLICITATION_REFRESH_TIME):08x}')
         # options in answer to be logged
         return response_string_part, self.number