diff --git a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
index b2127a3beb5..092dea9c8da 100644
--- a/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
+++ b/tests/common/plugins/conditional_mark/tests_mark_conditions.yaml
@@ -4696,13 +4696,16 @@ srv6/test_srv6_basic_sanity.py::test_traffic_check_normal:
 
 srv6/test_srv6_dataplane.py:
   skip:
-    reason: "Only target mellanox and brcm platform with 202412 image at this time. Skip for non Arista-7060X6-64PE-B-* TH5 SKUs. Skip for t0-isolated-d96u32, t1-isolated-d32/128. Or test case has issue on the t0-isolated-d256u256s2 topo."
+    reason: "Only target mellanox and brcm platform with 202412 image at this time. Skip for non Arista-7060X6-64PE-B-* TH5 SKUs. Skip for t0-isolated-d96u32, t1-isolated-d32/128."
     conditions_logical_operator: or
     conditions:
       - "asic_type not in ['mellanox', 'broadcom', 'vpp']"
       - "release not in ['202412'] and asic_type not in ['vpp']"
       - "'Arista-7060X6-64PE' in hwsku and 'Arista-7060X6-64PE-B' not in hwsku"
       - "topo_name in ['t0-isolated-d96u32s2', 't1-isolated-d128', 't1-isolated-d32']"
+  xfail:
+    reason: "Test case has issue on the t0-isolated-d256u256s2 topo."
+    conditions:
       - "'t0-isolated-d256u256s2' in topo_name and platform in ['x86_64-nvidia_sn5640-r0']"
 
 srv6/test_srv6_static_config.py: