diff --git a/tests/fault_tolerance/deploy/templates/vllm/moe_agg.yaml b/tests/fault_tolerance/deploy/templates/vllm/moe_agg.yaml
index e0b21b562..fa76acfc2 100644
--- a/tests/fault_tolerance/deploy/templates/vllm/moe_agg.yaml
+++ b/tests/fault_tolerance/deploy/templates/vllm/moe_agg.yaml
@@ -27,6 +27,8 @@ spec:
           memory: "100Gi"
           gpu: "2"
       envs:
+        - name: DYN_SYSTEM_ENABLED
+          value: "true"
         # MoE-specific environment variables
         - name: VLLM_ALL2ALL_BACKEND
           value: "pplx"
diff --git a/tests/fault_tolerance/deploy/templates/vllm/moe_disagg.yaml b/tests/fault_tolerance/deploy/templates/vllm/moe_disagg.yaml
index b0d7dec38..b45bcf97d 100644
--- a/tests/fault_tolerance/deploy/templates/vllm/moe_disagg.yaml
+++ b/tests/fault_tolerance/deploy/templates/vllm/moe_disagg.yaml
@@ -30,6 +30,8 @@ spec:
           memory: "100Gi"
           gpu: "2"
       envs:
+        - name: DYN_SYSTEM_ENABLED
+          value: "true"
         # MoE-specific environment variables
         - name: VLLM_ALL2ALL_BACKEND
           value: "pplx"
@@ -95,6 +97,8 @@ spec:
           memory: "100Gi"
           gpu: "2"
       envs:
+        - name: DYN_SYSTEM_ENABLED
+          value: "true"
         # MoE-specific environment variables
         - name: VLLM_ALL2ALL_BACKEND
           value: "pplx"