diff --git a/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_daemon_control.json
index 435a2ce7c0ba..af0a90e77603 120000
--- a/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_immediate_start b/device/mellanox/x86_64-mlnx_msn4410-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_daemon_control.json
index 435a2ce7c0ba..af0a90e77603 120000
--- a/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_immediate_start b/device/mellanox/x86_64-mlnx_msn4600-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json
index 435a2ce7c0ba..af0a90e77603 120000
--- a/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_immediate_start b/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8C48/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8C48/pmon_daemon_control.json
index ac8cc05f63dc..3ada0d34478e 100644
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8C48/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8C48/pmon_daemon_control.json
@@ -1,6 +1,6 @@
 {
     "skip_ledd": true,
     "skip_fancontrol": true,
-    "delay_xcvrd": true,
+    "delay_xcvrd": false,
     "skip_xcvrd_cmis_mgr": false
 }
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/pmon_daemon_control.json
index ac8cc05f63dc..3ada0d34478e 100644
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O8V48/pmon_daemon_control.json
@@ -1,6 +1,6 @@
 {
     "skip_ledd": true,
     "skip_fancontrol": true,
-    "delay_xcvrd": true,
+    "delay_xcvrd": false,
     "skip_xcvrd_cmis_mgr": false
 }
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
deleted file mode 120000
index 435a2ce7c0ba..000000000000
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
+++ /dev/null
@@ -1 +0,0 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
new file mode 100644
index 000000000000..fefdfb327396
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
@@ -0,0 +1,6 @@
+{
+    "skip_ledd": true,
+    "skip_fancontrol": true,
+    "skip_xcvrd_cmis_mgr": true
+}
+
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_immediate_start b/device/mellanox/x86_64-mlnx_msn4700-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-mlnx_msn4700_simx-r0/pmon_immediate_start b/device/mellanox/x86_64-mlnx_msn4700_simx-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json
deleted file mode 100644
index b2c37062fe08..000000000000
--- a/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-        "skip_ledd": true,
-        "skip_xcvrd": true,
-        "skip_fancontrol": true
-}
diff --git a/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json
new file mode 120000
index 000000000000..af0a90e77603
--- /dev/null
+++ b/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_daemon_control.json
@@ -0,0 +1 @@
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn4280_simx-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_daemon_control.json
index 435a2ce7c0ba..af0a90e77603 120000
--- a/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn4800-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_daemon_control.json
index d9fa54f8d2b9..af0a90e77603 120000
--- a/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700_simx-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-mlnx_msn4700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn4800_simx-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_daemon_control.json
index 435a2ce7c0ba..f56b32678200 120000
--- a/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn5400-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_daemon_control.json
index 435a2ce7c0ba..f56b32678200 120000
--- a/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_daemon_control.json
+++ b/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_daemon_control.json
@@ -1 +1 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
+../x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn5400_simx-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
deleted file mode 120000
index 435a2ce7c0ba..000000000000
--- a/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
+++ /dev/null
@@ -1 +0,0 @@
-../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json b/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
new file mode 100644
index 000000000000..fefdfb327396
--- /dev/null
+++ b/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_daemon_control.json
@@ -0,0 +1,6 @@
+{
+    "skip_ledd": true,
+    "skip_fancontrol": true,
+    "skip_xcvrd_cmis_mgr": true
+}
+
diff --git a/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn5600-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/device/mellanox/x86_64-nvidia_sn5600_simx-r0/pmon_immediate_start b/device/mellanox/x86_64-nvidia_sn5600_simx-r0/pmon_immediate_start
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/files/scripts/syncd.sh b/files/scripts/syncd.sh
index c6fbf008c6dc..0930de72b87c 100755
--- a/files/scripts/syncd.sh
+++ b/files/scripts/syncd.sh
@@ -57,7 +57,7 @@ function startplatform() {
                 platform=$aboot_platform
             elif [ -n "$onie_platform" ]; then
                 platform=$onie_platform
-            else 
+            else
                 platform="unknown"
             fi
             if [[ x"$platform" == x"x86_64-arista_720dt_48s" ]]; then
@@ -96,13 +96,10 @@ function waitplatform() {
 
     BOOT_TYPE=`getBootType`
     if [[ x"$sonic_asic_platform" == x"mellanox" ]]; then
-        if [[ x"$BOOT_TYPE" = @(x"fast"|x"warm"|x"fastfast") ]]; then
-            PMON_TIMER_STATUS=$(systemctl is-active pmon.timer)
-            if [[ x"$PMON_TIMER_STATUS" = x"inactive" ]]; then
-                systemctl start pmon.timer
-            else
-                debug "PMON service is delayed by a timer for better fast/warm boot performance"
-            fi
+        PLATFORM=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' platform`
+        PMON_IMMEDIATE_START="/usr/share/sonic/device/$PLATFORM/pmon_immediate_start"
+        if [[ x"$BOOT_TYPE" = @(x"fast"|x"warm"|x"fastfast") ]] && [[ ! -f $PMON_IMMEDIATE_START ]]; then
+            debug "PMON service is delayed by for better fast/warm boot performance"
         else
             debug "Starting pmon service..."
             /bin/systemctl start pmon