diff --git a/CHANGELOG.md b/CHANGELOG.md
index c361c0fe..28838c9d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,6 +49,10 @@ Expected: September, 2021
 * Restconf YANG PATCH according to RFC 8072 (Work in progress)
   * Experimental: enable by setting YANG_PATCH in include/clixon_custom.h
   * Thanks to Alan Yaniger for providing this patch
+* List pagination
+  * This is prototype work for ietf netconf work
+  * See draft-wwlh-netconf-list-pagination-00.txt
+  * New http media: application/yang.collection+xml/json
 
 ### API changes on existing protocol/config features
 
@@ -476,7 +480,7 @@ Developers may need to change their code
   * This only applies to the evhtp restconf daemon, not fcgi/nginx, where the nginx config is used.
   * The RESTCONF clixon-config options are obsolete
   * Thanks to Dave Cornejo for the idea
-  
+
 ### API changes on existing protocol/config features
 
 Users may have to change how they access the system
diff --git a/apps/restconf/restconf_methods_get.c b/apps/restconf/restconf_methods_get.c
index 5ff22dd6..f1071cec 100644
--- a/apps/restconf/restconf_methods_get.c
+++ b/apps/restconf/restconf_methods_get.c
@@ -534,6 +534,227 @@ api_data_collection(clicon_handle  h,
     return retval;
 }
 
+/*! GET Collection 
+ * According to restconf collection draft. Lists, work in progress
+ * @param[in]  h        Clixon handle
+ * @param[in]  req      Generic Www handle
+ * @param[in]  api_path According to restconf (Sec 3.5.3.1 in rfc8040)
+ * @param[in]  pcvec    Vector of path ie DOCUMENT_URI element 
+ * @param[in]  pi       Offset, where path starts  
+ * @param[in]  qvec     Vector of query string (QUERY_STRING)
+ * @param[in]  pretty   Set to 1 for pretty-printed xml/json output
+ * @param[in]  media_out Output media
+ * @param[in]  head   If 1 is HEAD, otherwise GET
+ * @code
+ *  curl -X GET http://localhost/restconf/data/interfaces
+ * @endcode                                     
+ * A collection resource contains a set of data resources.  It is used
+ * to represent a all instances or a subset of all instances in a YANG
+ * list or leaf-list.
+ * @see draft-ietf-netconf-restconf-collection-00.txt
+ */
+static int
+api_data_collection(clicon_handle  h,
+		    void          *req,
+		    char          *api_path, 
+		    cvec          *pcvec, /* XXX remove? */
+		    int            pi,
+		    cvec          *qvec,
+		    int            pretty,
+		    restconf_media media_out)
+{
+    int        retval = -1;
+    char      *xpath = NULL;
+    cbuf      *cbx = NULL;
+    yang_stmt *yspec;
+    cxobj     *xret = NULL;
+    cxobj     *xerr = NULL; /* malloced */
+    cxobj     *xe = NULL;   /* not malloced */
+    cxobj    **xvec = NULL;
+    int        i;
+    int        ret;
+    cvec      *nsc = NULL;
+    char      *attr; /* attribute value string */
+    netconf_content content = CONTENT_ALL;
+    cxobj     *xtop = NULL;
+    cxobj     *xbot = NULL;
+    yang_stmt *y = NULL;
+    cbuf      *cbrpc = NULL;
+    char      *depth;
+    char      *count;
+    char      *skip;
+    char      *direction;
+    char      *sort;
+    char      *where;
+    
+    clicon_debug(1, "%s", __FUNCTION__);
+    if ((yspec = clicon_dbspec_yang(h)) == NULL){
+	clicon_err(OE_FATAL, 0, "No DB_SPEC");
+	goto done;
+    }
+    /* strip /... from start */
+    for (i=0; i<pi; i++)
+	api_path = index(api_path+1, '/');
+    if (api_path){
+	if ((xtop = xml_new("top", NULL, CX_ELMNT)) == NULL)
+	    goto done;
+	/* Translate api-path to xml, but to validate the api-path, note: strict=1 
+	 * xtop and xbot unnecessary for this function but needed by function
+	 * Set strict=0 to accept list uri:s with =keys syntax
+	 */
+	if ((ret = api_path2xml(api_path, yspec, xtop, YC_DATANODE, 0, &xbot, &y, &xerr)) < 0)
+	    goto done;
+	/* Translate api-path to xpath: xpath (cbpath) and namespace context (nsc) 
+	 * XXX: xpath not used in collection?
+	 */
+	if (ret != 0 &&
+	    (ret = api_path2xpath(api_path, yspec, &xpath, &nsc, &xerr)) < 0)
+	    goto done;
+	if (ret == 0){ /* validation failed */
+	    if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
+		clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
+		goto done;
+	    }
+	    if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
+		goto done;
+	    goto ok;
+	}
+	if (yang_keyword_get(y) != Y_LIST && yang_keyword_get(y) != Y_LEAF_LIST){
+    	    if (netconf_bad_element_xml(&xerr, "application",
+					yang_argument_get(y),
+					"Element is not list or leaf-list which is required for GET collection") < 0)
+		goto done;
+	    if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
+		clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
+		goto done;
+	    }
+	    if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
+		goto done;
+	    goto ok;
+	}
+    }
+
+    /* Check for content attribute */
+    if ((attr = cvec_find_str(qvec, "content")) != NULL){
+	clicon_debug(1, "%s content=%s", __FUNCTION__, attr);
+	if ((int)(content = netconf_content_str2int(attr)) == -1){
+	    if (netconf_bad_attribute_xml(&xerr, "application",
+					  "content", "Unrecognized value of content attribute") < 0)
+		goto done;
+	    if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
+		clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
+		goto done;
+	    }
+	    if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
+		goto done;
+	    goto ok;
+	}
+    }
+    clicon_debug(1, "%s path:%s", __FUNCTION__, xpath);
+    if (content != CONTENT_CONFIG && content != CONTENT_NONCONFIG && content != CONTENT_ALL){
+	clicon_err(OE_XML, EINVAL, "Invalid content attribute %d", content);
+	goto done;
+    }
+    /* Clixon extensions and collection attributes */
+    depth = cvec_find_str(qvec, "depth");
+    count = cvec_find_str(qvec, "count");
+    skip = cvec_find_str(qvec, "skip");
+    direction = cvec_find_str(qvec, "direction");
+    sort = cvec_find_str(qvec, "sort");
+    where = cvec_find_str(qvec, "where");
+    
+    if (clicon_rpc_get_collection(h, api_path, y, nsc, content,
+				  depth, count, skip, direction, sort, where, 
+				  &xret) < 0){
+	if (netconf_operation_failed_xml(&xerr, "protocol", clicon_err_reason) < 0)
+	    goto done;
+	if ((xe = xpath_first(xerr, NULL, "rpc-error")) == NULL){
+	    clicon_err(OE_XML, EINVAL, "rpc-error not found (internal error)");
+	    goto done;
+	}
+	if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
+	    goto done;
+	goto ok;
+    }
+
+    /* We get return via netconf which is complete tree from root 
+     * We need to cut that tree to only the object.
+     */
+#if 0 /* DEBUG */
+    if (clicon_debug_get())
+	clicon_log_xml(LOG_DEBUG, xret, "%s xret:", __FUNCTION__);
+#endif
+    /* Check if error return  */
+    if ((xe = xpath_first(xret, NULL, "//rpc-error")) != NULL){
+	if (api_return_err(h, req, xe, pretty, media_out, 0) < 0)
+	    goto done;
+	goto ok;
+    }
+    /* Normal return, no error */
+    if ((cbx = cbuf_new()) == NULL)
+	goto done;
+    switch (media_out){
+    case YANG_COLLECTION_XML:
+	if (clicon_xml2cbuf(cbx, xret, 0, pretty, -1) < 0) /* Dont print top object?  */
+	    goto done;
+	break;
+    case YANG_COLLECTION_JSON:
+	if (xml2json_cbuf(cbx, xret, pretty) < 0)
+	    goto done;
+	break;
+    default:
+	if (restconf_unsupported_media(req) < 0)
+	    goto done;
+	goto ok;
+	break;
+    }
+#if 0
+    /* Check if not exists */
+    if (xlen == 0){
+	/* 4.3: If a retrieval request for a data resource represents an 
+	   instance that does not exist, then an error response containing 
+	   a "404 Not Found" status-line MUST be returned by the server.  
+	   The error-tag value "invalid-value" is used in this case. */
+	if (netconf_invalid_value_xml(&xerr, "application", "Instance does not exist") < 0)
+	    goto done;
+	/* override invalid-value default 400 with 404 */
+	if ((xe = xpath_first(xerr, NULL, "rpc-error")) != NULL){
+	    if (api_return_err(h, req, xe, pretty, media_out, 404) < 0)
+		goto done;
+	}
+	goto ok;
+    }
+#endif
+    clicon_debug(1, "%s cbuf:%s", __FUNCTION__, cbuf_get(cbx));
+    if (restconf_reply_header(req, "Content-Type", "%s", restconf_media_int2str(media_out)) < 0)
+	goto done;
+    if (restconf_reply_header(req, "Cache-Control", "no-cache") < 0)
+	goto done;
+    if (restconf_reply_send(req, 200, cbx) < 0)
+	goto done;
+ ok:
+    retval = 0;
+ done:
+    clicon_debug(1, "%s retval:%d", __FUNCTION__, retval);
+    if (cbrpc)
+	cbuf_free(cbrpc);
+    if (xpath)
+	free(xpath);
+    if (nsc)
+	xml_nsctx_free(nsc);
+    if (xtop)
+        xml_free(xtop);
+    if (cbx)
+        cbuf_free(cbx);
+    if (xret)
+	xml_free(xret);
+    if (xerr)
+	xml_free(xerr);
+    if (xvec)
+	free(xvec);
+    return retval;
+}
+
 /*! REST HEAD method
  * @param[in]  h        Clixon handle
  * @param[in]  req      Generic Www handle
diff --git a/lib/clixon/clixon_xml.h b/lib/clixon/clixon_xml.h
index 5ea3e82f..a61b8638 100644
--- a/lib/clixon/clixon_xml.h
+++ b/lib/clixon/clixon_xml.h
@@ -56,6 +56,11 @@
 
 /* Collections namespace from draft-ietf-netconf-restconf-collection-00.txt
  */
+#define NETCONF_COLLECTION_NAMESPACE "urn:ietf:params:xml:ns:yang:ietf-netconf-collection"
+
+/* See RFC 7950 Sec 5.3.1: YANG defines an XML namespace for NETCONF <edit-config> 
+ * operations, <error-info> content, and the <action> element.
+ */
 #define NETCONF_COLLECTION_NAMESPACE "urn:ietf:params:xml:ns:yang:ietf-netconf-list-pagination"
 
 /* Output symbol for netconf get/get-config
diff --git a/lib/src/clixon_netconf_lib.c b/lib/src/clixon_netconf_lib.c
index 291d106c..1f678d80 100644
--- a/lib/src/clixon_netconf_lib.c
+++ b/lib/src/clixon_netconf_lib.c
@@ -1516,7 +1516,6 @@ netconf_module_load(clicon_handle h)
     /* Load restconf yang. Note this is also a part of clixon-config */
     if (yang_spec_parse_module(h, "clixon-restconf", NULL, yspec)< 0)
 	goto done;
-#if 1
     /* XXX: Both the following settings are because clicon-handle is not part of all API
      * functions
      * Treat unknown XML as anydata */
@@ -1529,7 +1528,9 @@ netconf_module_load(clicon_handle h)
     /* Load restconf collection */
     if (yang_spec_parse_module(h, "ietf-netconf-list-pagination", NULL, yspec)< 0)
 	goto done;    
-
+    /* Load restconf collection */
+    if (yang_spec_parse_module(h, "ietf-netconf-list-pagination", NULL, yspec)< 0)
+	goto done;    
     retval = 0;
  done:
     return retval;
diff --git a/test/test_collection.sh b/test/test_collection.sh
new file mode 100755
index 00000000..5debe9a3
--- /dev/null
+++ b/test/test_collection.sh
@@ -0,0 +1,114 @@
+#!/usr/bin/env bash
+# Restconf RFC8040 Appendix A and B "jukebox" example
+# For collection / scaling activity
+# Magic line must be first in script (see README.md)
+s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
+
+APPNAME=example
+
+cfg=$dir/conf.xml
+fjukebox=$dir/example-jukebox.yang
+
+cat <<EOF > $cfg
+<clixon-config xmlns="http://clicon.org/config">
+  <CLICON_CONFIGFILE>$cfg</CLICON_CONFIGFILE>
+  <CLICON_FEATURE>ietf-netconf:startup</CLICON_FEATURE>
+  <CLICON_YANG_DIR>/usr/local/share/clixon</CLICON_YANG_DIR>
+  <CLICON_YANG_DIR>$IETFRFC</CLICON_YANG_DIR>
+  <CLICON_YANG_MAIN_DIR>$dir</CLICON_YANG_MAIN_DIR>
+  <CLICON_RESTCONF_PRETTY>false</CLICON_RESTCONF_PRETTY>
+  <CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
+  <CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
+  <CLICON_BACKEND_PIDFILE>$dir/restconf.pidfile</CLICON_BACKEND_PIDFILE>
+  <CLICON_XMLDB_DIR>$dir</CLICON_XMLDB_DIR>
+  <CLICON_STREAM_DISCOVERY_RFC8040>true</CLICON_STREAM_DISCOVERY_RFC8040>
+</clixon-config>
+EOF
+
+cat <<EOF > $dir/startup_db
+<config>
+<jukebox xmlns="http://example.com/ns/example-jukebox">
+  <library>
+    <artist>
+      <name>Foo Fighters</name>
+      <album xmlns="http://example.com/ns/example-jukebox">
+        <name>Crime and Punishment</name>
+        <year>1995</year>
+      </album>
+      <album xmlns="http://example.com/ns/example-jukebox">
+        <name>One by One</name>
+        <year>2002</year>
+      </album>
+      <album xmlns="http://example.com/ns/example-jukebox">
+        <name>The Color and the Shape</name>
+        <year>1997</year>
+      </album>
+      <album xmlns="http://example.com/ns/example-jukebox">
+        <name>There is Nothing Left to Loose</name>
+        <year>1999</year>
+      </album>
+      <album xmlns="http://example.com/ns/example-jukebox">
+        <name>White and Black</name>
+        <year>1998</year>
+      </album>
+    </artist>
+  </library>
+</jukebox>
+</config>
+EOF
+
+# Common Jukebox spec (fjukebox must be set)
+. ./jukebox.sh
+
+new "test params: -f $cfg -- -s" # XXX: -sS state file
+
+if [ $BE -ne 0 ]; then
+    new "kill old backend"
+    sudo clixon_backend -zf $cfg
+    if [ $? -ne 0 ]; then
+	err
+    fi
+    sudo pkill -f clixon_backend # to be sure
+    new "start backend -s startup -f $cfg"
+    start_backend -s startup -f "$cfg"
+fi
+
+new "waiting"
+wait_backend
+
+if [ $RC -ne 0 ]; then
+    new "kill old restconf daemon"
+    stop_restconf_pre
+
+    new "start restconf daemon"
+    start_restconf -f $cfg
+
+    new "waiting"
+    wait_restconf
+fi
+
+new "C.1. 'count' Parameter RESTCONF"
+expectpart "$(curl $CURLOPTS -X GET -H "Accept: application/yang.collection+xml" $RCPROTO://localhost/restconf/data/example-jukebox:jukebox/library/artist=Foo%20Fighters/album/?count=2)" 0  "HTTP/1.1 200 OK" "application/yang.collection+xml" '<collection xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-collection"><album xmlns="http://example.com/ns/example-jukebox"><name>Crime and Punishment</name><year>1995</year></album><album xmlns="http://example.com/ns/example-jukebox"><name>One by One</name><year>2002</year></album></collection>'
+
+new "C.1. 'count' Parameter NETCONF"
+expecteof "$clixon_netconf -qf $cfg" 0 "<rpc netconf:message-id=\"101\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\"><get-collection xmlns=\"urn:ietf:params:xml:ns:yang:ietf-netconf-collection\"><datastore>running</datastore><module-name>example-jukebox</module-name><list-target>/example-jukebox:jukebox/library/artist=Foo Fighters/album</list-target><count>2</count></get-collection></rpc>]]>]]>" '^<rpc-reply xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" netconf:message-id="101"><collection xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-collection"><album xmlns="http://example.com/ns/example-jukebox"><name>Crime and Punishment</name><year>1995</year></album><album xmlns="http://example.com/ns/example-jukebox"><name>One by One</name><year>2002</year></album></collection></rpc-reply>]]>]]>$'
+
+if [ $RC -ne 0 ]; then
+    new "Kill restconf daemon"
+    stop_restconf
+fi
+
+if [ $BE -eq 0 ]; then
+    exit # BE
+fi
+
+new "Kill backend"
+# Check if premature kill
+pid=$(pgrep -u root -f clixon_backend)
+if [ -z "$pid" ]; then
+    err "backend already dead"
+fi
+# kill backend
+stop_backend -f $cfg
+
+rm -rf $dir
diff --git a/test/test_restconf.sh b/test/test_restconf.sh
index 6d32d836..135d2ba6 100755
--- a/test/test_restconf.sh
+++ b/test/test_restconf.sh
@@ -300,6 +300,10 @@ function testrun()
     new "restconf empty rpc JSON"
     expectpart "$(curl $CURLOPTS -X POST -H "Content-Type: application/yang-data+json" -d {\"clixon-example:input\":null} $proto://$addr/restconf/operations/clixon-example:empty)" 0  "HTTP/$HVER 204"
 
+    # -I / --head get headers only HEAD
+    new "restconf HEAD. RFC 8040 4.2"
+    expectpart "$(curl $CURLOPTS -I --head "Accept: application/yang-data+json" $RCPROTO://localhost/restconf/data)" 0 "HTTP/1.1 200 OK" "Content-Type: application/yang-data+json"
+
     new "restconf empty rpc XML"
     expectpart "$(curl $CURLOPTS -X POST -H "Content-Type: application/yang-data+xml" -d '<input xmlns="urn:example:clixon"></input>' $proto://$addr/restconf/operations/clixon-example:empty)" 0  "HTTP/$HVER 204"
 
diff --git a/test/test_upgrade_quit.sh b/test/test_upgrade_quit.sh
index 80edcfc1..50b94d51 100755
--- a/test/test_upgrade_quit.sh
+++ b/test/test_upgrade_quit.sh
@@ -342,6 +342,6 @@ if [ -z "$match" ]; then
 fi
 
 rm -rf $dir
-
 new "endtest"
 endtest
+