diff --git a/src/compute/service/rest_server/nbi_plugins/ietf_l2vpn/Constants.py b/src/compute/service/rest_server/nbi_plugins/ietf_l2vpn/Constants.py
index 45724e968c95e5e66c7ff398cc61f7ea9dc3cbf0..a6c8f27720bee0286995a9104f9599dbe99405e7 100644
--- a/src/compute/service/rest_server/nbi_plugins/ietf_l2vpn/Constants.py
+++ b/src/compute/service/rest_server/nbi_plugins/ietf_l2vpn/Constants.py
@@ -64,4 +64,14 @@ BEARER_MAPPINGS = {
     'DC1-GW:CS1-GW2': ('CS1-GW2', '10/1', '5.5.1.2', None, 0, None, None, '5.5.2.2', 222),
     'DC2-GW:CS2-GW1': ('CS2-GW1', '10/1', '5.5.2.1', None, 0, None, None, '5.5.1.1', 111),
     'DC2-GW:CS2-GW2': ('CS2-GW2', '10/1', '5.5.2.2', None, 0, None, None, '5.5.1.2', 222),
+
+    # NetworkX'22
+    'R1:1/2': ('R1', '1/2', '5.1.1.2', None, 0, None, None, None, None),
+    'R1:1/3': ('R1', '1/3', '5.1.1.3', None, 0, None, None, None, None),
+    'R2:1/2': ('R2', '1/2', '5.2.1.2', None, 0, None, None, None, None),
+    'R2:1/3': ('R2', '1/3', '5.2.1.3', None, 0, None, None, None, None),
+    'R3:1/2': ('R3', '1/2', '5.3.1.2', None, 0, None, None, None, None),
+    'R3:1/3': ('R3', '1/3', '5.3.1.3', None, 0, None, None, None, None),
+    'R4:1/2': ('R4', '1/2', '5.4.1.2', None, 0, None, None, None, None),
+    'R4:1/3': ('R4', '1/3', '5.4.1.3', None, 0, None, None, None, None),
 }