10g,修改oracle用户下$ORACLE_HOME/network/admin/listener.ora下的文件，增加类似红色一行

LISTENER_ORCLRAC1 =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = TCP)(HOST = orclrac1-vip.com)(PORT = 1521)(IP = FIRST))

      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.116.21)(PORT = 1521)(IP = FIRST))

       (ADDRESS = (PROTOCOL = TCP)(HOST = 145.145.20.21)(PORT = 1521)(IP = FIRST))

    )

  )

如果不是默认1521端口，需要重新设置local_listener 

重启监听即可

$srvctl stop listener -n orclrac1 

$srvctl start listener -n orclrac1 

 11g,修改grid用户下$ORACLE_HOME/network/admin/listener.ora下的文件，修改类似红色一行

#LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER))))            # line added by Agent

LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))(ADDRESS=(PROTOCOL=TCP)(HOST=10.10.10.11)(PORT=1521)(IP=FIRST))))

LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1))))                # line added by Agent

ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON                # line added by Agent

ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON              # line added by Agent

如果不是默认1521端口，需要重新设置local_listener

 重启监听即可

$srvctl stop listener -n orclrac1 

$srvctl start listener -n orclrac1