diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/th2-a7260cx3-64-64x40G.config.bcm b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/th2-a7260cx3-64-64x40G.config.bcm
index f1a0e0d08971..0af841fe64fa 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/th2-a7260cx3-64-64x40G.config.bcm
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/th2-a7260cx3-64-64x40G.config.bcm
@@ -1012,3 +1012,5 @@ serdes_preemphasis_114=0x61c01
 serdes_preemphasis_115=0x61c01
 serdes_preemphasis_116=0x105004
 serdes_preemphasis_117=0x105004
+
+mmu_init_config="MSFT-TH2-Tier0"