Trisul Network Analytics
Developer Zone

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Keepalived

Master IP : 10.179.210.103 Slave IP : 10.179.210.140 Virtual IP :10.179.210.100

Keepalived configuration on master machine

! Configuration File for keepalived

vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        10.179.210.100
    }
}

Keepalived configuration on slave machine

vrrp_instance VI_1 {

  state SALVE
  interface eth0
  virtual_router_id 51
  priority 100
  advert_int 1
  authentication {
      auth_type PASS
      auth_pass 1111
  }
  virtual_ipaddress {
      10.179.210.100
  }

}

https://tecadmin.net/ip-failover-setup-using-keepalived-on-centos-redhat/