diff --git a/ansible/roles/eos/templates/t1-isolated-d56u1-lag-spine.j2 b/ansible/roles/eos/templates/t1-isolated-d56u1-lag-spine.j2
new file mode 120000
index 0000000000..b43abfff43
--- /dev/null
+++ b/ansible/roles/eos/templates/t1-isolated-d56u1-lag-spine.j2
@@ -0,0 +1 @@
+t1-lag-spine.j2
\ No newline at end of file
diff --git a/ansible/roles/eos/templates/t1-isolated-d56u1-lag-tor.j2 b/ansible/roles/eos/templates/t1-isolated-d56u1-lag-tor.j2
new file mode 120000
index 0000000000..b7d896e547
--- /dev/null
+++ b/ansible/roles/eos/templates/t1-isolated-d56u1-lag-tor.j2
@@ -0,0 +1 @@
+t1-lag-tor.j2
\ No newline at end of file
diff --git a/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-spine.j2 b/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-spine.j2
new file mode 120000
index 0000000000..ce20ba1a01
--- /dev/null
+++ b/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-spine.j2
@@ -0,0 +1 @@
+t1-spine.j2
\ No newline at end of file
diff --git a/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-tor.j2 b/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-tor.j2
new file mode 120000
index 0000000000..86b7960d84
--- /dev/null
+++ b/ansible/roles/eos/templates/t1-isolated-v6-d56u1-lag-tor.j2
@@ -0,0 +1 @@
+t1-tor.j2
\ No newline at end of file
diff --git a/ansible/veos b/ansible/veos
index d554a1e78d..e5eea8e4d0 100644
--- a/ansible/veos
+++ b/ansible/veos
@@ -31,6 +31,8 @@ all:
           - t1-isolated-d56u2
           - t1-isolated-v6-d448u16
           - t1-isolated-v6-d56u2
+          - t1-isolated-d56u1-lag
+          - t1-isolated-v6-d56u1-lag
           - t0
           - t0-d18u8s4
           - t0-16
diff --git a/tests/acl/test_stress_acl.py b/tests/acl/test_stress_acl.py
index 29a17a01ab..30f8177986 100644
--- a/tests/acl/test_stress_acl.py
+++ b/tests/acl/test_stress_acl.py
@@ -126,7 +126,8 @@ def prepare_test_port(rand_selected_dut, tbinfo):
             upstream_port_neighbor_ips[interface] = ipv4_addr
 
     dst_ip_addr = None
-    if tbinfo["topo"]['name'] in ["t1-isolated-d28u1", "t1-isolated-d56u2", "t1-isolated-d448u16"]:
+    if tbinfo["topo"]['name'] in ["t1-isolated-d28u1", "t1-isolated-d56u2", "t1-isolated-d448u16",
+                                  "t1-isolated-d56u1-lag"]:
         dst_ip_addr = random.choices(list(upstream_port_neighbor_ips.values()))
     return ptf_src_port, upstream_port_ids, dut_port, dst_ip_addr
 
diff --git a/tests/qos/qos_sai_base.py b/tests/qos/qos_sai_base.py
index 46921ce65f..837e4d6ff7 100644
--- a/tests/qos/qos_sai_base.py
+++ b/tests/qos/qos_sai_base.py
@@ -49,6 +49,7 @@ class QosBase:
     ]
     SUPPORTED_T1_TOPOS = ["t1-lag", "t1-64-lag", "t1-56-lag", "t1-backend", "t1-28-lag", "t1-32-lag",
                           "t1-isolated-d28u1", "t1-isolated-v6-d28u1", "t1-isolated-d56u2", "t1-isolated-v6-d56u2",
+                          "t1-isolated-d56u1-lag", "t1-isolated-v6-d56u1-lag",
                           "t1-isolated-d448u16", "t1-isolated-v6-d448u16"]
     SUPPORTED_PTF_TOPOS = ['ptf32', 'ptf64']
     SUPPORTED_ASIC_LIST = ["pac", "gr", "gr2", "gb", "td2", "th", "th2", "spc1", "spc2", "spc3", "spc4", "td3", "th3",