diff --git a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
index e037b06096c..d9fde451a7f 100644
--- a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
+++ b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
@@ -270,6 +270,18 @@ bfd/test_bfd_traffic.py:
 #######################################
 #####            bgp              #####
 #######################################
+bgp/reliable_tsa/test_reliable_tsa_flaky.py:
+  skip:
+    reason: "reliable TSA is not supported on non-chassis"
+    conditions:
+      - "is_chassis==False"
+
+bgp/reliable_tsa/test_reliable_tsa_stable.py:
+  skip:
+    reason: "reliable TSA is not supported on non-chassis"
+    conditions:
+      - "is_chassis==False"
+
 bgp/test_bgp_allow_list.py:
   skip:
     reason: "Only supported on t1 topo. But Cisco 8111 or 8122 T1(compute ai) platform is not supported."