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--- admin:keepalived [2023/07/17 16:48] – created dhinesh
+++ admin:keepalived [2023/07/18 18:33] (current) – veera
@@ Line 1: / Line 1: @@
-==== Keepalived ====
+===== Keepalived =====
+  * Master IP : 10.179.210.103
+  * Slave IP : 10.179.210.140
+  * Virtual IP :10.179.210.100
+==== Platforms ====
+=== Oracle/RHEL/CentOS 8 ===
+To install Oracle 8 Application Stream repository
+dnf install epel-release
+dnf install keepalived
+=== Keepalived configuration on master machine ===
+Configuration file in ''/etc/keepalived/keepalived.conf''
+Notice PRIORITY is 200 compared to slave node which has 100
+<code>
+! Configuration File for keepalived
+vrrp_instance VI_1 {
+    state MASTER
+    interface eth0
+    virtual_router_id 51
+    priority 200
+    advert_int 1
+    authentication {
+        auth_type PASS
+        auth_pass 1111
+    }
+    virtual_ipaddress {
+.179.210.100
+    }
+}
+</code>
+=== Keepalived configuration on slave machine ===
+<code>
+vrrp_instance VI_1 {
+    state SLAVE
+    interface eth0
+    virtual_router_id 51
+    priority 100
+    advert_int 1
+    authentication {
+        auth_type PASS
+        auth_pass 1111
+    }
+    virtual_ipaddress {
+.179.210.100
+    }
+}
+</code>
+[[https://tecadmin.net/ip-failover-setup-using-keepalived-on-centos-redhat/]]
+==== Starting order ====
+Make sure you start the  MASTER first before the SLAVE node
+''systemctl restart keepalived''
+then on slave node
+''systemctl restart keepalived''