Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 DHCP故障的排除技巧
- 分类：win8 发布时间： Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2014年01月03日 00:00:00
装机吧U盘装系统小编整理，DHCP故障的排除技巧。
技巧一检查物理连接是否畅通
技巧一检查物理连接是否畅通
在客户端与服务器连接的网卡上配置IP地址，确保该IP地址与服务器端接口GigabitEthernet1/0/0的IP地址在同一网段。从客户端ping GigabitEthernet1/0/0接口的IP地址，如果可以ping通，则说明连接畅通，那么物理线路故障便可被排除。也可以在服务器端打开DHCP的调试开关，查看是否可以收到客户端的DHCPDISCOVER报文。
技巧二DHCP服务器的配置是否正确
1.执行命令dhcp enable。
2.执行命令display dhcp server tree all，查看全局地址池是否存在，且地址池中的IP地址与接口GigabitEthernet1/0/0的IP地址是否在同一个网段中。如果不存在，执行命令dhcp server ip-pool pool-name和命令network ip-address [ mask { mask mask-length } ]创建地址池和配置地址池中可动态分配的IP地址范围。如果地址池存在，但地址池中的IP地址与接口GigabitEthernet1/0/0的IP地址不在同一个网段，则修改地址池中的IP地址或修改接口GigabitEthernet1/0/0的IP地址，使二者在一个网段中。
3.系统视图下执行命令dhcp select global { all interface interface-type interface-number }或在GigabitEthernet1/0/0接口视图下执行命令dhcp select global，确保GigabitEthernet1/0/0下的客户从全局地址池获取地址。
技巧三地址池内是否有可用IP地址、过期IP地址或冲突IP地址
1.执行命令display dhcp server free-ip，检查全局地址池内是否还有可用IP地址。
2.如果没有可用地址，执行命令display dhcp server expired pool pool-name，查看是否有过期的IP地址。
3.如果不存在过期IP地址，执行命令display dhcp server conflict all，查看是否有冲突的IP地址。如果有的话，查看其探测时间(Discover Time)是否已经超过1小时。NE80E/40E的实现中，如果发现冲突的IP地址，那么在1小时以后我们可以对于此IP地址进行重新分配使用。当存在冲突IP地址时，且探测时间没有超过1小时，则执行命令reset dhcp server conflict all释放冲突IP地址。如果没有冲突IP地址，则地址池中的可用IP地址、过期IP地址和冲突的IP都不存在，就说明地址池中IP地址已经用尽，可以重新创建一个全局地址池，该地址池的Network和前一个地址池的Network重叠，且网段大于前地址池的网段。
上一篇：
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 211
Warning: Use of undefined constant tbname - assumed 'tbname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 211
Warning: Use of undefined constant id - assumed 'id' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 212
Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 217
XP win7 win8麦克风没声音解决方法
下一篇：
Warning: Use of undefined constant classid - assumed 'classid' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 222
Warning: Use of undefined constant tbname - assumed 'tbname' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 222
Warning: Use of undefined constant id - assumed 'id' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 223
Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 228
win7无法自动修复此计算机
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