oracle客户端机器连接TNS超时

a120852620 2011-11-21 10:01:58
oracle数据库安装在linux服务器上.服务器段一切使用正常.文件如下
listener.ora:

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2/db_1)
(PROGRAM = extproc)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
)
)


sqlnet.ora

# sqlnet.ora Network Configuration File: /u01/app/oracle/product/10.2/db_1/network/admin/sqlnet.ora
# Generated by Oracle configuration tools.

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
#NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES)


tnsnames.ora

SHU=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = SHU)
)
)

SALES=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = SALES)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)


iptables

# Generated by iptables-save v1.3.5 on Mon Nov 21 09:36:36 2011
*filter
:INPUT ACCEPT [235:13891]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [189:10040]
-A INPUT -p tcp -m tcp --dport 1521 -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 1521 -j ACCEPT
COMMIT
# Completed on Mon Nov 21 09:36:36 2011


检查了好几个地方,客户端机器老是连不上,ping能通,但tnsping总是超时,请各位牛人帮帮忙啊,在线等哇.
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Cryking 2011-11-21
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HOST 那换成IP试试
superpander 2011-11-21
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