ORA-12545:Connect failed because target host or object does not exist
Oracle817数据库服务器上我建有两个数据库,本地局域网内使用正常——各个客户端都能使用。远程通过VPN联入,在远程客户端连接时,其中一个数据库出现了ORA-12545错误,然后我重新启动监听,然后远程能够联上,但是马上就会断掉,但是另外一个数据库就没有问题啊,ping 服务器IP 和tnsping 数据库都很正常,怎么回事啊??(m201的数据库不行啊)
服务器系统 windows2003 server
listener.ora如下:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
)
(DESCRIPTION =
(PROTOCOL_STACK =
(PRESENTATION = GIOP)
(SESSION = RAW)
)
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 2481))
)
)SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\ora81)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = m210_db)
(ORACLE_HOME = C:\oracle\ora81)
(SID_NAME = m210)
)
(SID_DESC =
(GLOBAL_DBNAME = p210_db)
(ORACLE_HOME = C:\oracle\ora81)
(SID_NAME = p210)
)
)tnsnames.ora 如下:
M210_DB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = m210_db)
)
)
P210_DB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = p210_db)
)
)
Oracle817数据库服务器上我建有两个数据库,本地局域网内使用正常——各个客户端都能使用。远程通过VPN联入,在远程客户端连接时,其中一个数据库出现了ORA-12545错误,然后我重新启动监听,然后远程能够联上,但是马上就会断掉,但是另外一个数据库就没有问题啊,ping 服务器IP 和tnsping 数据库都很正常,怎么回事啊??(m201的数据库不行啊)
服务器系统 windows2003 server
listener.ora如下:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
)
(DESCRIPTION =
(PROTOCOL_STACK =
(PRESENTATION = GIOP)
(SESSION = RAW)
)
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 2481))
)
)SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\ora81)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = m210_db)
(ORACLE_HOME = C:\oracle\ora81)
(SID_NAME = m210)
)
(SID_DESC =
(GLOBAL_DBNAME = p210_db)
(ORACLE_HOME = C:\oracle\ora81)
(SID_NAME = p210)
)
)tnsnames.ora 如下:
M210_DB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = m210_db)
)
)
P210_DB =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.9.4)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = p210_db)
)
)
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