驾照分在线查询:电脑使用单位局域网上网,最近上网上一会儿就会断一会儿线
来源:百度文库 编辑:杭州交通信息网 时间:2024/04/20 15:19:28
我的电脑使用单位局域网上网,最近上网上一会儿就会断一会儿线,用ping DNS地址时出现Request timed out 请问具体什么原因????偶尔出现destination host unrechable
Reply from 211.91.248.129: bytes=32 time=5ms TTL=249
Reply from 211.91.248.129: bytes=32 time=13ms TTL=249
Reply from 211.91.248.129: bytes=32 time=6ms TTL=249
Reply from 211.91.248.129: bytes=32 time=3ms TTL=249
Reply from 211.91.248.129: bytes=32 time=4ms TTL=249
Reply from 211.91.248.129: bytes=32 time=5ms TTL=249
Reply from 211.91.248.129: bytes=32 time=4ms TTL=249
Request timed out.
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Reply from 211.91.248.129: bytes=32 time=5ms TTL=249
Reply from 211.91.248.129: bytes=32 time=13ms TTL=249
Reply from 211.91.248.129: bytes=32 time=6ms TTL=249
Reply from 211.91.248.129: bytes=32 time=3ms TTL=249
Reply from 211.91.248.129: bytes=32 time=4ms TTL=249
Reply from 211.91.248.129: bytes=32 time=5ms TTL=249
Reply from 211.91.248.129: bytes=32 time=4ms TTL=249
Request timed out.
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
Request timed out
出现这样的情况一般有以下几个问题
1:网线上面的RJ-45接头接触不良(水晶头)更换个接头.
2:网卡有问题,有的网卡插的不牢固也会出现这样的情况!虽然可以读的到网卡有时候还可以上网但有时候就会掉线,您可以拔下网上再从新插一下!或者用橡皮擦擦一下金手指(金色部分).
3:如果还不行的话,那就应该属于软件的问题了!可能有的服务部分被关闭了!您在运行中输入:”services.msc"打开服务的控制面版,查看TCP/IP NetBIOS Helper IPSEC Services 有没有被启动 如果您是自动获得IP的那就查看一下DHCP Client有没有启动!
4:刷新本地DNS缓存ipconfig /flushdns ”运行”
5:刷新租约 ipconfig /renew ”运行”