Index: trunk/ippTools/src/pstamptool.c
===================================================================
--- trunk/ippTools/src/pstamptool.c	(revision 28294)
+++ trunk/ippTools/src/pstamptool.c	(revision 28297)
@@ -558,4 +558,6 @@
     PXOPT_COPY_S32(config->args, where, "-fault",      "fault", "==");
     PXOPT_COPY_STR(config->args, where, "-state",      "state", "==");
+    PXOPT_COPY_TIME(config->args, where, "-timestamp_begin", "timestamp", ">=");
+    PXOPT_COPY_TIME(config->args, where, "-timestamp_end", "timestamp", "<=");
     pxAddLabelSearchArgs(config, where, "-label",      "pstampRequest.label", "LIKE");
     if (!psListLength(where->list)) {