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<td width="90%"><font size="4" face="Verdana, Arial, Helvetica"><b>为远程连接而准备 DB2 服务器</b></font></td><td width="200" align="right"><font size="1" face="Verdana, Arial, Helvetica"><nobr>   第 2 页（共11 页）</nobr></font></td>
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<p>在 DB2 客户机能够连接到数据库以前，必须确保正确设置了服务器端通信。要准备将服务器用于 TCP/IP 和 NetBIOS 连接：</p>
<ol>
						
<li>设置 DB2 概要文件注册表 <i>DB2COMM</i>，以使实例支持指定的通信，如下所示：<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2set DB2COMM=TCPIP,NETBIOS
</code>
</pre>

</li>

<li>在数据库管理器配置文件中为每个受支持的协议设置必需的信息。					<p>对于 TCP/IP，为每个支持 TCP/IP 的实例分配一个端口号。名为 <code>services</code> 的文件包含在系统上定义的服务及其端口号。该文件的位置取决于平台。例如，在 UNIX 上，它通常被存储在 <code>/etc</code> 中。</p>
					
<p>由于一个端口号只能被一个服务使用，所以建议将 <code>services</code> 文件用作维护所有服务及其相关端口号列表的中央位置。要把 TCP 端口 50000 保留给名为 <i>db2icdb2</i> 的服务，可将以下行追加到 <code>services</code> 文件：<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2icdb2     50000/tcp
</code>
</pre>
</p>
					
<p>更新数据库管理器配置文件，以便 DB2 将把与服务 <i>db2icdb2</i> 相关的端口号用于您正在使用的实例：<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2 update database manager configuration using <b>svcename db2icdb2</b>
					</code>
</pre>
</p>
					
<p>如果选择不使用 <code>services</code> 文件，只需用正确的端口号更新 <code>svcename</code>：<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2 update database manager configuration using <b>svcename 50000</b>
					</code>
</pre>
</p>
					
<p>对于 NetBIOS，只需在数据库管理器配置文件中输入 NetBIOS 工作站名称（<code>nname</code>）： <pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2 update database manager configuration using <b>nname DB2NTSERV</b>
					</code>
</pre>
</p>
					
</li>
	
<li>参数 <code>svcename</code> 和 <code>nname</code> 不能联机配置。先停止实例然后重新启动它，以便能够使用新值：<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2stop
db2start
</code>
</pre>
</li>
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