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 82138f6ff5..88c4836373 100644
--- a/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
+++ b/dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
@@ -80,7 +80,7 @@ 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 018ddd36bf..d992d9505c 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
@@ -61,7 +61,7 @@ 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 459f3fda2b..4a08df08de 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
@@ -40,7 +40,7 @@ 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 19e06170a1..c1d0234f2c 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
@@ -40,7 +40,7 @@ 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 7605692394..494f54b6bc 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
@@ -80,7 +80,7 @@ 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 99aeef2457..48ac8b54d0 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
@@ -59,7 +59,7 @@ 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 abb6761e9e..3806681a02 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
@@ -59,7 +59,7 @@ 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 99aeef2457..48ac8b54d0 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
@@ -59,7 +59,7 @@ 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 abb6761e9e..3806681a02 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
@@ -59,7 +59,7 @@ 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
 !
 !