YangModels · xorrkaz · Apr 22, 2026 · Apr 23, 2026 · Apr 24, 2026 · Apr 24, 2026
diff --git a/...egrity-protection-methods@2026-04-15.yang → ...egrity-protection-methods@2026-04-22.yang b/...egrity-protection-methods@2026-04-15.yang → ...egrity-protection-methods@2026-04-22.yang
@@ -47,7 +47,7 @@ module iana-ioam-integrity-protection-methods {
     "IOAM Integrity Protection Methods
      (https://www.iana.org/assignments/ioam/ioam.xhtml)";
 
-  revision 2026-04-15 {
+  revision 2026-04-22 {
     description
       "Initial version.";
     reference

diff --git a/...dules/ietf-ioam-integrity@2026-04-15.yang → ...dules/ietf-ioam-integrity@2026-04-22.yang b/...dules/ietf-ioam-integrity@2026-04-15.yang → ...dules/ietf-ioam-integrity@2026-04-22.yang
@@ -63,7 +63,7 @@ module ietf-ioam-integrity {
         Pre-allocated Trace Option. Therefore, the model does not
         impose constraints that would prevent such use cases.";
 
-  revision 2026-04-15 {
+  revision 2026-04-22 {
     description
       "Initial version.";
     reference

diff --git a/...YANG-modules/ietf-ipv6-nd@2026-02-27.yang → ...YANG-modules/ietf-ipv6-nd@2026-04-20.yang b/...YANG-modules/ietf-ipv6-nd@2026-02-27.yang → ...YANG-modules/ietf-ipv6-nd@2026-04-20.yang
@@ -34,11 +34,11 @@ module ietf-ipv6-nd {
      Author:  Jiayuan Hu
               <hujy5@chinatelecom.cn>";
   description
-    "This YANG module defines a YANG data model to configure and manage
-     IPv6 Neighbor Discovery (ND) and related functions, including
-     IPv6 address resolution, redirect, proxy Neighbor
-     Advertisement, Neighbor Unreachability Detection (NUD), Duplicate
-     Address Detection (DAD), and Enhanced DAD.
+    "This YANG module defines a YANG data model to configure and 
+     manage IPv6 Neighbor Discovery (ND) and related functions, 
+     including IPv6 address resolution, redirect, proxy Neighbor
+     Advertisement, Neighbor Unreachability Detection (NUD), 
+     Duplicate Address Detection (DAD), and Enhanced DAD.
 
      The model is based on YANG 1.1 as defined in RFC 7950 and
      conforms to Network Management Datastore Architecture (NMDA)
@@ -56,43 +56,21 @@ module ietf-ipv6-nd {
 
      This version of this YANG module is part of RFC XXXX
      (https://www.rfc-editor.org/info/rfcXXXX); see the RFC itself
-     for full legal notices.
-
-     The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL
-     NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED',
-     'MAY', and 'OPTIONAL' in this document are to be interpreted as
-     described in BCP 14 (RFC 2119) (RFC 8174) when, and only when,
-     they appear in all capitals, as shown here.";
+     for full legal notices.";
   reference
     "RFC4861: Neighbor Discovery for IP version 6 (IPv6)
      RFC4862: IPv6 Stateless Address Autoconfiguration
      RFC7527: Enhanced Duplicate Address Detection";
 
-  revision 2026-02-27 {
+  revision 2026-04-20 {
     description
-      "Initial version";
+      "Initial version.";
     reference
       "RFC XXXX: YANG Data Model for IPv6 Neighbor Discovery";
   }
 
   /* Data nodes */
 
-  container nd {
-    description
-      "Global parameters for IPv6 ND.";
-    leaf stale-timeout {
-      type uint32;
-      units "seconds";
-      description
-        "The global timeout for Neighbor Cache entry in the STALE
-         state. This value applies to all interfaces unless overridden
-         by a per-interface setting.";
-      reference
-        "RFC4861: Neighbor Discovery for IP version 6 (IPv6)
-                  Section 5.3";
-    }
-  }
-
   augment "/if:interfaces/if:interface/ip:ipv6" {
     description
       "Augments interface configuration and state data with
@@ -101,7 +79,9 @@ module ietf-ipv6-nd {
       description
         "Parameters of IPv6 ND.";
       leaf reachable-time {
-        type uint32;
+        type uint32 {
+          range "1..3600000";
+        }
         units "milliseconds";
         default "30000";
         description
@@ -123,17 +103,6 @@ module ietf-ipv6-nd {
           "RFC4861: Neighbor Discovery for IP version 6 (IPv6)
                     Section 6.3.2";
       }
-      leaf stale-timeout {
-        type uint32;
-        units "seconds";
-        description
-          "The timeout for Neighbor Cache entry in the STALE state on
-           the interface. If configured, this value overrides the global
-           stale-timeout.";
-        reference
-          "RFC4861: Neighbor Discovery for IP version 6 (IPv6)
-                    Section 5.3";
-      }
       leaf redirect {
         type boolean;
         default "false";
@@ -266,3 +235,4 @@ module ietf-ipv6-nd {
     }
   }
 }
+
diff --git a/...es/ietf-network-inventory@2026-01-27.yang → ...es/ietf-network-inventory@2026-04-22.yang b/...es/ietf-network-inventory@2026-01-27.yang → ...es/ietf-network-inventory@2026-04-22.yang
@@ -23,7 +23,7 @@ module ietf-network-inventory {
     "IETF IVY Working Group";
   contact
     "WG Web:   <https://datatracker.ietf.org/wg/ivy/>
-     WG List:  <mailto:inventory-yang@ietf.org>
+     WG List:  <mailto:ivy@ietf.org>
 
      Editor:   Chaode Yu
                <yuchaode@huawei.com>
@@ -65,7 +65,7 @@ module ietf-network-inventory {
      described in BCP 14 (RFC 2119) (RFC 8174) when, and only when,
      they appear in all capitals, as shown here.";
 
-  revision 2026-01-27 {
+  revision 2026-04-22 {
     description
       "Initial version";
     reference
@@ -101,6 +101,7 @@ module ietf-network-inventory {
     type leafref {
       path "/nwi:network-inventory/nwi:network-elements"
          + "/nwi:network-element/nwi:ne-id";
+      require-instance false;
     }
     description
       "This type is intended to be used by data models that need to
@@ -111,6 +112,28 @@ module ietf-network-inventory {
    * Groupings
    */
 
+  grouping component-ref {
+    description
+      "This grouping is intended to be used by data models that need
+       to reference a component within a Network Element.";
+    leaf ne-ref {
+      type nwi:ne-ref;
+      description
+        "The reference to the Network Element which contains the
+         component to be referenced.";
+    }
+    leaf component-ref {
+      type leafref {
+        path "/nwi:network-inventory/nwi:network-elements/"
+           + "nwi:network-element[nwi:ne-id=current()/../ne-ref]"
+           + "/nwi:components/nwi:component/nwi:component-id";
+        require-instance false;
+      }
+      description
+        "The reference to the component.";
+    }
+  }
+
   grouping port-ref {
     description
       "This grouping is intended to be used by data models that need
@@ -126,13 +149,13 @@ module ietf-network-inventory {
         path "/nwi:network-inventory/nwi:network-elements/"
            + "nwi:network-element[nwi:ne-id=current()/../ne-ref]"
            + "/nwi:components/nwi:component/nwi:component-id";
+        require-instance false;
       }
-      must "derived-from-or-self (/nwi:network-inventory/
-            nwi:network-elements/nwi:network-element
-            [nwi:ne-id=../ne-ref]/nwi:components/nwi:component
-            [nwi:component-id=current()]/nwi:class, 'ianahw:port')";
       description
-        "The reference to the port component.";
+        "The reference to the port component.
+
+         Note: the class of the referenced port component MUST be
+         'ianahw:port' or a derived identity.";
     }
   }
 
@@ -153,8 +176,8 @@ module ietf-network-inventory {
       description
         "The name of the  entity (e.g., component), as specified by
          a network operator, that provides a non-volatile 'handle'
-         for the entity and that can be modified anytime during the
-         entity lifetime.
+         for the entity and that can change anytime during the entity
+         lifetime.
 
          If no value is discovered, the server MAY set the value of
          this node to a locally unique value in the operational
@@ -181,8 +204,9 @@ module ietf-network-inventory {
     list software-rev {
       key "name";
       description
-        "The list of the software modules configured to be active
-         within the entity (e.g., component).";
+        "The list of the software modules representing the software
+         images intended to be running within the entity
+         (e.g., component).";
       leaf name {
         type string;
         description
@@ -432,8 +456,9 @@ module ietf-network-inventory {
                  component among all the sibling components.
 
                  The format of this string is
-                 implementation-specific. It MAY encode an integer
-                 value representing the entPhysicalParentRelPos.";
+                 implementation-specific. When mapping from RFC 6933,
+                 the entPhysicalParentRelPos integer value SHOULD be
+                 encoded as an integer string.";
               reference
                 "RFC 6933: Entity MIB (Version 4) -
                            entPhysicalParentRelPos";