【问题标题】:Could slow router cause Request timeout when pinging?ping 时,慢速路由器会导致请求超时吗?
【发布时间】:2017-02-07 03:22:28
【问题描述】:

环境:

1 router

Multiple LAN servers
192.168.1.1 (HTTP server)
192.168.1.2 (FTP server)
192.168.1.3 (MYSQL server)
...

Multiple wireless devices

Total connected devices more than 50.

当 ping 到 192.168.1.1(不具体)时,这是我得到的

...
64 bytes from 192.168.1.100: icmp_seq=5295 ttl=64 time=3.809 ms
64 bytes from 192.168.1.100: icmp_seq=5296 ttl=64 time=3.279 ms
64 bytes from 192.168.1.100: icmp_seq=5297 ttl=64 time=4.147 ms
64 bytes from 192.168.1.100: icmp_seq=5298 ttl=64 time=3.571 ms
Request timeout for icmp_seq 5299
Request timeout for icmp_seq 5300
Request timeout for icmp_seq 5301
Request timeout for icmp_seq 5302
Request timeout for icmp_seq 5303
Request timeout for icmp_seq 5304
Request timeout for icmp_seq 5305
Request timeout for icmp_seq 5306
Request timeout for icmp_seq 5307
Request timeout for icmp_seq 5308
Request timeout for icmp_seq 5309
Request timeout for icmp_seq 5310
Request timeout for icmp_seq 5311
Request timeout for icmp_seq 5312
Request timeout for icmp_seq 5313
Request timeout for icmp_seq 5314
Request timeout for icmp_seq 5315
Request timeout for icmp_seq 5316
Request timeout for icmp_seq 5317
Request timeout for icmp_seq 5318
Request timeout for icmp_seq 5319
Request timeout for icmp_seq 5320
Request timeout for icmp_seq 5321
Request timeout for icmp_seq 5322
Request timeout for icmp_seq 5323
Request timeout for icmp_seq 5324
Request timeout for icmp_seq 5325
Request timeout for icmp_seq 5326
Request timeout for icmp_seq 5327
64 bytes from 192.168.1.100: icmp_seq=5328 ttl=64 time=7.284 ms
64 bytes from 192.168.1.100: icmp_seq=5329 ttl=64 time=7.094 ms
64 bytes from 192.168.1.100: icmp_seq=5330 ttl=64 time=4.889 ms
64 bytes from 192.168.1.100: icmp_seq=5331 ttl=64 time=4.877 ms
64 bytes from 192.168.1.100: icmp_seq=5332 ttl=64 time=4.030 ms
64 bytes from 192.168.1.100: icmp_seq=5333 ttl=64 time=8.854 ms
64 bytes from 192.168.1.100: icmp_seq=5334 ttl=64 time=4.671 ms
Request timeout for icmp_seq 5335
Request timeout for icmp_seq 5336
Request timeout for icmp_seq 5337
Request timeout for icmp_seq 5338
Request timeout for icmp_seq 5339
Request timeout for icmp_seq 5340
Request timeout for icmp_seq 5341
...

该问题并非特定于 192.168.1.1。我尝试过其他主机,例如ftp服务器,mysql服务器。出现同样的问题。我得到 intermediate 请求超时。

不过说,192.168.1.1(HTTP 服务器)获得最多的请求超时(38.8% 丢包),而 192.168.1.2(FTP 服务器)只有 2.7% 丢包。

我怀疑路由器的速度会导致丢失一些数据包的问题。如何验证是路由器问题而不是其他问题?

【问题讨论】:

    标签: timeout ping router lan


    【解决方案1】:

    如果您有其他设备或路由器,您是否尝试过使用?

    【讨论】:

    • 我打算更换路由器。你会推荐哪个路由器?我需要的不仅仅是家用。
    • Linksys WRT54GL Wi-Fi Wireless-G 宽带路由器试试这个
    【解决方案2】:

    由于其他主机上没有请求超时问题,所以造成超时的原因似乎与路由器无关。

    尝试查看目标主机网络配置,例如iptable,并将文件与其他正在运行的主机进行比较。

    【讨论】:

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