diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
index 1433de4d3b6..cef161ded3c 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
@@ -53,6 +53,10 @@ l2xlrn_intr_en=0
 sai_optimized_mmu=1
 mmu_init_config="TH3-MSFT-T0"
 
+hybrid_pfc_deadlock_enable=1
+pfc_deadlock_seq_control=1
+sai_pfc_dlr_init_capability=1
+
 pbmp_xport_xe=0xffffffFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE
 phy_an_c73=3
 
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
index a46ac765bb6..59d767df310 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
@@ -53,6 +53,10 @@ l2xlrn_intr_en=0
 sai_optimized_mmu=1
 mmu_init_config="TH3-MSFT-T1"
 
+hybrid_pfc_deadlock_enable=1
+pfc_deadlock_seq_control=1
+sai_pfc_dlr_init_capability=1
+
 pbmp_xport_xe=0xffffffFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE
 
 phy_an_c73=3
diff --git a/src/sonic-device-data/tests/permitted_list b/src/sonic-device-data/tests/permitted_list
index 41932882a32..01ed79c41ff 100644
--- a/src/sonic-device-data/tests/permitted_list
+++ b/src/sonic-device-data/tests/permitted_list
@@ -320,3 +320,5 @@ xflow_macsec_secure_chan_to_num_secure_assoc_encrypt
 xflow_macsec_secure_chan_to_num_secure_assoc_decrypt
 sai_mdio_access_clause22
 cmic_dma_abort_in_cold_boot
+hybrid_pfc_deadlock_enable
+sai_pfc_dlr_init_capability