4 files changed, 72 insertions, 2 deletions
diff --git a/lib/snmp/doc/src/notes.xml b/lib/snmp/doc/src/notes.xml
index 9e1a060dee..25b8ff74fd 100644
--- a/lib/snmp/doc/src/notes.xml
+++ b/lib/snmp/doc/src/notes.xml
@@ -33,6 +33,51 @@
   </header>
 
   <section>
+    <title>SNMP Development Toolkit 4.21.2</title>
+    <p>Version 4.21.2 supports code replacement in runtime from/to
+      version 4.21.1, 4.21, 4.20.1, 4.20 and 4.19. </p>
+
+    <section>
+      <title>Improvements and new features</title>
+<!--
+      <p>-</p>
+-->
+      <list type="bulleted">
+        <item>
+          <p>[compiler] Improve version info printout. </p>
+          <p>Own Id: OTP-9618</p>
+        </item>
+
+      </list>
+
+    </section>
+
+    <section>
+      <title>Fixed Bugs and Malfunctions</title>
+      <p>-</p> 
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>The snmp config tool could not handle (manager) audit trail config 
+	  because the option seqno was not handled. </p>
+	  <p>Own Id: OTP-9354</p>
+	</item>
+
+      </list>
+-->
+    </section>
+
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+
+  </section> <!-- 4.21.2 -->
+
+
+  <section>
     <title>SNMP Development Toolkit 4.21.1</title>
     <p>Version 4.21.1 supports code replacement in runtime from/to
       version 4.20.1, 4.20 and 4.19. </p>
diff --git a/lib/snmp/src/app/snmp.appup.src b/lib/snmp/src/app/snmp.appup.src
index 0b6ea93231..e311377b2f 100644
--- a/lib/snmp/src/app/snmp.appup.src
+++ b/lib/snmp/src/app/snmp.appup.src
@@ -22,6 +22,10 @@
 %% ----- U p g r a d e -------------------------------------------------------
 
  [
+  {"4.21.1", 
+   [
+   ]
+  }, 
   {"4.21", 
    [
     {load_module, snmp_target_mib, soft_purge, soft_purge, []}
@@ -115,6 +119,10 @@
 %% ------D o w n g r a d e ---------------------------------------------------
 
  [
+  {"4.21.1", 
+   [
+   ]
+  }, 
   {"4.21", 
    [
     {load_module, snmp_target_mib, soft_purge, soft_purge, []}
diff --git a/lib/snmp/src/compile/snmpc.src b/lib/snmp/src/compile/snmpc.src
index f993335b89..8760ce14b5 100644
--- a/lib/snmp/src/compile/snmpc.src
+++ b/lib/snmp/src/compile/snmpc.src
@@ -221,7 +221,10 @@ process_args([], #state{verbosity = Verbosity0, file = MIB} = State) ->
 process_args(["--help"|_Args], _State) ->
     ok;
 process_args(["--version"|_Args], #state{version = Version, mfv = MFV} = _State) ->
-    {ok, lists:flatten(io_lib:format("snmpc ~s (~s)", [Version, MFV]))};
+    OtpVersion = otp_release(), 
+    {ok, lists:flatten(
+	   io_lib:format("snmpc ~s [Mib format version ~s] (OTP ~s)", 
+			 [Version, MFV, OtpVersion]))};
 process_args(["--verbosity", Verbosity0|Args], #state{verbosity = V} = State) 
   when (V =:= undefined) ->
     Verbosity = list_to_atom(Verbosity0),
@@ -398,3 +401,17 @@ usage() ->
 e(Reason) ->
     throw({error, Reason}).
 
+
+otp_release() ->
+    system_info(otp_release, string).
+
+system_info(Tag, Type) ->
+    case (catch erlang:system_info(Tag)) of
+        {'EXIT', _} ->
+            "-";
+        Info when is_list(Info) andalso (Type =:= string) ->
+            Info;
+        Info ->
+            lists:flatten(io_lib:format("~w", [Info]))
+    end.
+
diff --git a/lib/snmp/vsn.mk b/lib/snmp/vsn.mk
index c95e0a22d1..0819ab9b36 100644
--- a/lib/snmp/vsn.mk
+++ b/lib/snmp/vsn.mk
@@ -17,6 +17,6 @@
 #
 # %CopyrightEnd%
 
-SNMP_VSN = 4.21.1
+SNMP_VSN = 4.21.2
 PRE_VSN  =
 APP_VSN  = "snmp-$(SNMP_VSN)$(PRE_VSN)"