diff --git a/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2 b/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
index 725ea6b74a..5c91a34737 100644
--- a/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
+++ b/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
@@ -81,7 +81,7 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% if multi_asic is defined %}
 {% if get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") != 'None' %}
   address-family ipv6
-    network {{ get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") | ip }}/64 route-map HIDE_INTERNAL
+    network {{ get_ipv6_loopback_address(LOOPBACK_INTERFACE, "Loopback4096") | ip }}/128 route-map HIDE_INTERNAL
   exit-address-family
 {% endif %}
 {% endif %}
diff --git a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.conf.j2/all.conf b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.conf.j2/all.conf
index 27d0fa690d..b6f7a668bc 100644
--- a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.conf.j2/all.conf
+++ b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.conf.j2/all.conf
@@ -62,7 +62,7 @@ router bgp 55555
     network fc00::1/64
   exit-address-family
   address-family ipv6
-    network fc00::2/64 route-map HIDE_INTERNAL
+    network fc00::2/128 route-map HIDE_INTERNAL
   exit-address-family
 !
   network 10.10.10.1/24
diff --git a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/all.conf b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/all.conf
index 971ddf8b50..5d09db5965 100644
--- a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/all.conf
+++ b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/all.conf
@@ -41,7 +41,7 @@ router bgp 55555
     network fc00::1/64
   exit-address-family
   address-family ipv6
-    network fc00::2/64 route-map HIDE_INTERNAL
+    network fc00::2/128 route-map HIDE_INTERNAL
   exit-address-family
 !
   network 10.10.10.1/24
diff --git a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/defaults.conf b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/defaults.conf
index 2aa2a2e2e8..14aa080efb 100644
--- a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/defaults.conf
+++ b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/bgpd.main.conf.j2/defaults.conf
@@ -41,7 +41,7 @@ router bgp 55555
     network fc00::1/64
   exit-address-family
   address-family ipv6
-    network fc00::2/64 route-map HIDE_INTERNAL
+    network fc00::2/128 route-map HIDE_INTERNAL
   exit-address-family
 !
   network 10.10.10.1/24
diff --git a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/frr.conf.j2/all.conf b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/frr.conf.j2/all.conf
index 7fc6df1d7a..1996dced81 100644
--- a/src/sonic-bgpcfgd/tests/data/sonic-cfggen/frr.conf.j2/all.conf
+++ b/src/sonic-bgpcfgd/tests/data/sonic-cfggen/frr.conf.j2/all.conf
@@ -77,7 +77,7 @@ router bgp 55555
     network fc00::1/64
   exit-address-family
   address-family ipv6
-    network fc00::2/64 route-map HIDE_INTERNAL
+    network fc00::2/128 route-map HIDE_INTERNAL
   exit-address-family
 !
   network 10.10.10.1/24
diff --git a/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_backend_asic.conf b/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_backend_asic.conf
index 518217125d..a4ad1c677a 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_backend_asic.conf
+++ b/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_backend_asic.conf
@@ -60,7 +60,7 @@ router bgp 65100
     network fc00:1::32/64
   exit-address-family
   address-family ipv6
-    network fd00:4::32/64 route-map HIDE_INTERNAL
+    network fd00:4::32/128 route-map HIDE_INTERNAL
   exit-address-family
 !
 !
diff --git a/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_frontend_asic.conf b/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_frontend_asic.conf
index 298543e348..b49d3ddd4d 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_frontend_asic.conf
+++ b/src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_frontend_asic.conf
@@ -60,7 +60,7 @@ router bgp 65100
     network fc00:1::32/64
   exit-address-family
   address-family ipv6
-    network fd00:1::32/64 route-map HIDE_INTERNAL
+    network fd00:1::32/128 route-map HIDE_INTERNAL
   exit-address-family
 !
 !
diff --git a/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_backend_asic.conf b/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_backend_asic.conf
index 518217125d..a4ad1c677a 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_backend_asic.conf
+++ b/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_backend_asic.conf
@@ -60,7 +60,7 @@ router bgp 65100
     network fc00:1::32/64
   exit-address-family
   address-family ipv6
-    network fd00:4::32/64 route-map HIDE_INTERNAL
+    network fd00:4::32/128 route-map HIDE_INTERNAL
   exit-address-family
 !
 !
diff --git a/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_frontend_asic.conf b/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_frontend_asic.conf
index 298543e348..b49d3ddd4d 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_frontend_asic.conf
+++ b/src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_frontend_asic.conf
@@ -60,7 +60,7 @@ router bgp 65100
     network fc00:1::32/64
   exit-address-family
   address-family ipv6
-    network fd00:1::32/64 route-map HIDE_INTERNAL
+    network fd00:1::32/128 route-map HIDE_INTERNAL
   exit-address-family
 !
 !