diff --git a/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/helix4-e1031-48x1G+4x10G.config.bcm b/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/helix4-e1031-48x1G+4x10G.config.bcm
index 02d785aa4cb0..3da3ff365e21 100644
--- a/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/helix4-e1031-48x1G+4x10G.config.bcm
+++ b/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/helix4-e1031-48x1G+4x10G.config.bcm
@@ -1,3 +1,7 @@
+sai_postinit_cmd_file=/usr/share/sonic/hwsku/sai_postinit_cmd.soc
+
+ipv6_lpm_128b_enable=1
+
 # disables bcmALPMDH (ALPM distributed hitbit) thread.  This thread is purely for debug purpose
 l3_alpm_hit_skip=1
 
diff --git a/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/sai_postinit_cmd.soc b/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/sai_postinit_cmd.soc
new file mode 100644
index 000000000000..573706e302bd
--- /dev/null
+++ b/device/celestica/x86_64-cel_e1031-r0/Celestica-E1031-T48S4/sai_postinit_cmd.soc
@@ -0,0 +1 @@
+setreg RTAG7_IPV4_TCP_UDP_HASH_FIELD_BMAP_2 IPV4_TCP_UDP_FIELD_BITMAP_A=0xf70