diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/buffers_defaults_t0.j2
index 02de15759cff..f563cb639747 100644
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/buffers_defaults_t0.j2
@@ -1,5 +1,5 @@
 {#
-    Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
+    Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
     Apache-2.0
 
     Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,10 +14,17 @@
     limitations under the License.
 #}
 {% set default_cable = '5m' %}
+{%- if ((SYSTEM_DEFAULTS is defined) and ('tunnel_qos_remap' in SYSTEM_DEFAULTS) and (SYSTEM_DEFAULTS['tunnel_qos_remap']['status'] == 'enabled')) -%}
+{% set ingress_lossless_pool_size =  '45907968' %}
+{% set ingress_lossless_pool_xoff  =  '7479296' %}
+{% set egress_lossless_pool_size =  '60817392' %}
+{% set egress_lossy_pool_size =  '45907968' %}
+{%- else -%}
 {% set ingress_lossless_pool_size =  '49946624' %}
 {% set ingress_lossless_pool_xoff  =  '4063232' %}
 {% set egress_lossless_pool_size =  '60817392' %}
 {% set egress_lossy_pool_size =  '49946624' %}
+{%- endif -%}
 
 {% import 'buffers_defaults_objects.j2' as defs with context %}
 
@@ -29,10 +36,18 @@
 {{ defs.generate_profile_lists(port_names_active, port_names_inactive) }}
 {%- endmacro %}
 
+{%- macro generate_queue_buffers_with_extra_lossless_queues_with_inactive_ports(port_names_active, port_names_extra_queues, port_names_inactive) %}
+{{ defs.generate_queue_buffers_with_extra_lossless_queues(port_names_active, port_names_extra_queues, port_names_inactive) }}
+{%- endmacro %}
+
 {%- macro generate_queue_buffers_with_inactive_ports(port_names_active, port_names_inactive) %}
 {{ defs.generate_queue_buffers(port_names_active, port_names_inactive) }}
 {%- endmacro %}
 
+{%- macro generate_pg_profiles_with_extra_lossless_pgs_with_inactive_ports(port_names_active, port_names_extra_pgs, port_names_inactive) %}
+{{ defs.generate_pg_profiles_with_extra_lossless_pgs(port_names_active, port_names_extra_pgs, port_names_inactive) }}
+{%- endmacro %}
+
 {%- macro generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) %}
 {{ defs.generate_pg_profiles(port_names_active, port_names_inactive) }}
 {%- endmacro %}
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/qos.json.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/qos.json.j2
index eccf286dc879..48221aa2b3de 120000
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/qos.json.j2
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/qos.json.j2
@@ -1 +1 @@
-../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json.j2
\ No newline at end of file
+../../x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-C64/qos.json.j2
\ No newline at end of file