SQLNET.EXPIRE_TIME参数—之防火墙短连接

SQLNET.EXPIRE_TIME = 10

released channel: dev_0released channel: dev_1released channel: dev_2released channel: dev_3released channel: dev_4released channel: dev_5released channel: dev_6released channel: dev_7released channel: dev_8released channel: dev_9released channel: dev_10released channel: dev_11RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-06004: ORACLE error from recovery catalog database: 

ORA-03135: connection lost contactORACLE error from recovery catalog database: 

ORA-03114: not connected to ORACLE

+ Is the rman catalog Database running on a different system than the Target Database?If so, verify with the System Administrators what the TCP/IP timeout is set to.If there is any firewall between two systems, set the value of SQLNET.EXPIRE_TIME to less than the TCP timeout value of the firewall.  

+ Increase the value of SQLNET.EXPIRE_TIME in the sqlnet.ora file on both 

target servers if no firewall exists between two systems. 

+ Increase the value of keepalive interval.