diff --git a/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/jr2-a7280cr3-32d4-40x100G.config.bcm b/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/jr2-a7280cr3-32d4-40x100G.config.bcm
index cad55409b..3d6885e68 100644
--- a/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/jr2-a7280cr3-32d4-40x100G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/jr2-a7280cr3-32d4-40x100G.config.bcm
@@ -860,3 +860,4 @@ dma_desc_aggregator_timeout_usec.BCM8869X=1000
 dma_desc_aggregator_enable_specific_MDB_LPM.BCM8869X=1
 dma_desc_aggregator_enable_specific_MDB_FEC.BCM8869X=1
 sai_pfc_dlr_init_capability=0 
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/j2p-a7800r3a-36d-36x400G.config.bcm
index 35b372615..960ede562 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1014,3 +1014,4 @@ appl_param_nof_ports_per_modid=64
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=2
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/j2p-a7800r3a-36d-36x400G.config.bcm
index 06804706e..7784b4876 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1014,3 +1014,4 @@ appl_param_nof_ports_per_modid=64
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=2
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/j2p-a7800r3a-36d-36x400G.config.bcm
index aa4efbbcf..9530ae83c 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1031,3 +1031,4 @@ serdes_tx_taps_36=nrz:-8:89:-29:0:0:0
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/j2p-a7800r3a-36d-36x400G.config.bcm
index a62b21a9b..3c5039fcd 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1031,3 +1031,4 @@ serdes_tx_taps_36=nrz:-7:85:-25:0:0:0
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/j2p-a7800r3a-36d-36x400G.config.bcm
index 525c85185..6a52876ba 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1051,3 +1051,4 @@ appl_param_nof_ports_per_modid=64
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/j2p-a7800r3a-36d-36x400G.config.bcm b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/j2p-a7800r3a-36d-36x400G.config.bcm
index 3a51490ef..d1065f0ff 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/j2p-a7800r3a-36d-36x400G.config.bcm
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/j2p-a7800r3a-36d-36x400G.config.bcm
@@ -1051,3 +1051,4 @@ appl_param_nof_ports_per_modid=64
 xflow_macsec_secure_chan_to_num_secure_assoc_encrypt=2
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 sai_pfc_dlr_init_capability=0
+sai_default_cpu_tx_tc=7
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/jr2cp-nokia-18x100g-4x25g-config.bcm b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/jr2cp-nokia-18x100g-4x25g-config.bcm
index c0d364d0b..9f3064f27 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/jr2cp-nokia-18x100g-4x25g-config.bcm
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/jr2cp-nokia-18x100g-4x25g-config.bcm
@@ -2093,3 +2093,4 @@ xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 cmic_dma_abort_in_cold_boot=0
 sai_pfc_dlr_init_capability=0
 trunk_group_max_members=16
+sai_default_cpu_tx_tc=7
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/jr2cp-nokia-18x100g-4x25g-config.bcm b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/jr2cp-nokia-18x100g-4x25g-config.bcm
index 74d5f9e74..27ff4d423 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/jr2cp-nokia-18x100g-4x25g-config.bcm
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/jr2cp-nokia-18x100g-4x25g-config.bcm
@@ -2094,3 +2094,4 @@ xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 cmic_dma_abort_in_cold_boot=0
 sai_pfc_dlr_init_capability=0
 trunk_group_max_members=16
+sai_default_cpu_tx_tc=7
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/jr2cp-nokia-18x400g-config.bcm b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/jr2cp-nokia-18x400g-config.bcm
index 0fed59012..eee3aad3f 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/jr2cp-nokia-18x400g-config.bcm
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/jr2cp-nokia-18x400g-config.bcm
@@ -2095,3 +2095,4 @@ xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 cmic_dma_abort_in_cold_boot=0
 sai_pfc_dlr_init_capability=0
 trunk_group_max_members=16
+sai_default_cpu_tx_tc=7
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/jr2cp-nokia-18x400g-config.bcm b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/jr2cp-nokia-18x400g-config.bcm
index 5875117ee..9634b0451 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/jr2cp-nokia-18x400g-config.bcm
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/jr2cp-nokia-18x400g-config.bcm
@@ -2097,3 +2097,4 @@ xflow_macsec_secure_chan_to_num_secure_assoc_decrypt=4
 cmic_dma_abort_in_cold_boot=0
 sai_pfc_dlr_init_capability=0
 trunk_group_max_members=16
+sai_default_cpu_tx_tc=7
diff --git a/src/sonic-device-data/tests/permitted_list b/src/sonic-device-data/tests/permitted_list
index cb99b99fd..017ae8f82 100644
--- a/src/sonic-device-data/tests/permitted_list
+++ b/src/sonic-device-data/tests/permitted_list
@@ -339,3 +339,4 @@ svi_my_station_optimization
 sai_nbr_bcast_ifp_optimized
 sai_pfc_defaults_disable
 sai_optimized_mmu
+sai_default_cpu_tx_tc