diff --git a/tasks/RedHat/network_manager.yaml b/tasks/RedHat/network_manager.yaml
index 93be1f8..38a01bf 100644
--- a/tasks/RedHat/network_manager.yaml
+++ b/tasks/RedHat/network_manager.yaml
@@ -16,15 +16,22 @@
     notify:
       - Reload interface with nmcli
 
-  - name: Get existing routes
+  - name: Get existing ipv4 routes
     shell: nmcli -g ipv4.routes connection show {{ iface.conn_name }}
     register: existing_routes4_res
     changed_when: False
+
+  - name: Get existing ipv6 routes
+    shell: nmcli -g ipv6.routes connection show {{ iface.conn_name }}
+    register: existing_routes6_res
+    changed_when: False
   
-  - name: Set fact about existing and new routes
+  - name: Set fact about existing and new ipv4/ipv6 routes
     set_fact:
       existing_routes4: "{{ existing_routes4_res.stdout | hash('sha256') }}"
       new_routes4: "{{ '' if iface.routes4 is not defined else (iface.routes4|join(', ') | hash('sha256')) }}"
+      existing_routes6: "{{ existing_routes6_res.stdout | hash('sha256') }}"
+      new_routes6: "{{ '' if iface.routes6 is not defined else (iface.routes6|join(', ') | hash('sha256')) }}"
 
   #- debug:
   #    msg: "{{ existing_routes4_res.stdout | hash('sha256') }}"
@@ -32,7 +39,7 @@
   #- debug:
   #    msg: "{{ '' if iface.routes4 is not defined else (iface.routes4|join(', ') | hash('sha256')) }}"
 
-  - name: Add routes and rules with nmcli
+  - name: Update routes and rules with nmcli
     community.general.nmcli:
       conn_name: "{{ iface.conn_name }}"
       type: "{{ iface.type | default('ethernet') }}"
@@ -44,7 +51,7 @@
       vlanid: "{{ iface.vlanid | default(omit) }}"
       routes4: "{{ omit if existing_routes4 != new_routes4 else iface.routes4 }}"
       routing_rules4: "{{ iface.routing_rules4 | default(omit) }}"
-      routes6: "{{ iface.routes6 | default(omit) }}"
+      routes6: "{{ omit if existing_routes6 != new_routes6 else iface.routes6 }}"
       routing_rules6: "{{ iface.routing_rules6 | default(omit) }}"
       mtu: "{{ iface.mtu | default(0) }}"
       zone: "{{ iface.zone | default(omit) }}"