diff --git a/files/build_templates/buffers_config.j2 b/files/build_templates/buffers_config.j2
index d6063312e0..b442f4d8bd 100644
--- a/files/build_templates/buffers_config.j2
+++ b/files/build_templates/buffers_config.j2
@@ -112,6 +112,7 @@ def
 {%- endmacro %}
 
 {%- set PORT_ALL  = [] %}
+{%- set PORT_BP  = [] %}
 {%- set SYSTEM_PORT_ALL = [] %}
 
 {%- if voq_chassis %}
@@ -136,6 +137,9 @@ def
             {%- if PORT_ALL.append(port) %}{%- endif %}
         {%- endif %}
     {%- endfor %}
+    {%- if defs.generate_bp_port_list is defined %}
+        {%- if defs.generate_bp_port_list(PORT,PORT_BP) %} {% endif %}
+    {%- endif %}
 {%- endif %}
 
 {%- set PORT_ACTIVE  = [] %}
@@ -146,6 +150,9 @@ def
     {%- for port in DEVICE_NEIGHBOR.keys() %}
         {%- if PORT_ACTIVE.append(port) %}{%- endif %}
     {%- endfor %}
+    {%- for port in PORT_BP %}
+        {%- if PORT_ACTIVE.append(port) %}{%- endif %}
+    {%- endfor %}
     {%- for port in PORT_ALL %}
         {%- if port not in DEVICE_NEIGHBOR.keys() %}
             {%- if PORT_INACTIVE.append(port) %}{%- endif %}
diff --git a/files/build_templates/qos_config.j2 b/files/build_templates/qos_config.j2
index 4695b51459..f9900714d8 100644
--- a/files/build_templates/qos_config.j2
+++ b/files/build_templates/qos_config.j2
@@ -1,9 +1,14 @@
 {%- set PORT_ALL = [] %}
+{%- set PORT_BP = [] %}
 {%- for port in PORT %}
     {%- if not port.startswith('Ethernet-Rec') and not port.startswith('Ethernet-IB') %}
         {%- if PORT_ALL.append(port) %}{% endif %}
     {%- endif %}
 {%- endfor %}
+{%- if generate_bp_port_list is defined %}
+    {%- if generate_bp_port_list(PORT,PORT_BP) %} {% endif %}
+{%- endif %}
+
 {%- if PORT_ALL | sort_by_port_index %}{% endif %}
 
 {%- set port_names_list_all = [] %}
@@ -20,6 +25,9 @@
     {%- for port in DEVICE_NEIGHBOR.keys() %}
         {%- if PORT_ACTIVE.append(port) %}{%- endif %}
     {%- endfor %}
+    {%- for port in PORT_BP %}
+        {%- if PORT_ACTIVE.append(port) %}{%- endif %}
+    {%- endfor %}
 {%- endif %}
 {%- if PORT_ACTIVE | sort_by_port_index %}{% endif %}