diff --git a/files/image_config/interfaces/interfaces.j2 b/files/image_config/interfaces/interfaces.j2
index 295cebe352..18e1181c71 100644
--- a/files/image_config/interfaces/interfaces.j2
+++ b/files/image_config/interfaces/interfaces.j2
@@ -26,6 +26,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 {% endblock loopback %}
 {% block mgmt_interface %}
 
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces b/src/sonic-config-engine/tests/sample_output/py2/interfaces
index 360ecf7b13..a47c89258e 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
index b2d854266c..c447cfbc6d 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
index 2080d7dfcd..b41038fd8d 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
index 85d476a910..543819734f 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
index 9e62929b5a..57bf924ce7 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
index 9ddde6b5e8..31a6d33257 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
index 6143d7ba8c..5777bce183 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
@@ -19,6 +19,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
index a110a91980..04490892fe 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
@@ -19,6 +19,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces b/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
index 12136a316a..ce3961f1a7 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth1
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces b/src/sonic-config-engine/tests/sample_output/py3/interfaces
index 360ecf7b13..a47c89258e 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
index b2d854266c..c447cfbc6d 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
index 2080d7dfcd..b41038fd8d 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
index 85d476a910..543819734f 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
index 9e62929b5a..57bf924ce7 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
index 9ddde6b5e8..31a6d33257 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
index 6143d7ba8c..5777bce183 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
@@ -19,6 +19,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
index a110a91980..04490892fe 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
@@ -19,6 +19,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces b/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
index 7fa99896e8..5e2680854c 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
@@ -10,6 +10,7 @@ iface lo inet loopback
    netmask 255.255.0.0
    scope host
    post-up ip addr del 127.0.0.1/8 dev lo
+   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0