因为我有一个新的 Cisco 路由器,所以在恢复或启动我的笔记本电脑后我无法浏览网页。我做了一些调试,似乎我有一个网络连接,但是 DNS 有一段时间失败了(比如说;超过 50 秒)。
您可以在下面的ping和nslookup输出中看到我的意思。我用谷歌域名服务器和我的互联网提供商的 DNS 服务器尝试了这个,但两者都有相同的结果。一切都启动了一段时间后,一切正常。(意思是,互联网可以正常工作,并且所有尝试过的名称服务器都回复得非常快)。
如果有人知道如何解决这个问题会很好。
额外信息:windows7,宽带连接,wifi 和有线连接都有这个问题。
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>ping 8.8.8.8
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=18ms TTL=54
Reply from 8.8.8.8: bytes=32 time=21ms TTL=54
Reply from 8.8.8.8: bytes=32 time=16ms TTL=54
Reply from 8.8.8.8: bytes=32 time=18ms TTL=54
Ping statistics for 8.8.8.8:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 16ms, Maximum = 21ms, Average = 18ms
C:\Windows\system32>nslookup
DNS request timed out.
timeout was 2 seconds.
Default Server: UnKnown
Address: 8.8.8.8
> www.google.com
Server: UnKnown
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
> www.google.com
Server: UnKnown
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
> www.google.com
Server: UnKnown
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
> www.google.com
Server: UnKnown
Address: 8.8.8.8
--------8<------after a while---------
C:\Windows\system32>ping 8.8.8.8
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=18ms TTL=54
Reply from 8.8.8.8: bytes=32 time=21ms TTL=54
Reply from 8.8.8.8: bytes=32 time=16ms TTL=54
Reply from 8.8.8.8: bytes=32 time=18ms TTL=54
Ping statistics for 8.8.8.8:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 16ms, Maximum = 21ms, Average = 18ms
C:\Windows\system32>nslookup
DNS request timed out.
timeout was 2 seconds.
Default Server: [8.8.8.8]
Address: 8.8.8.8
> www.google.com
Server: [8.8.8.8]
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
Name: www.l.google.com
Addresses: 173.194.66.99
173.194.66.106
173.194.66.147
173.194.66.103
173.194.66.104
173.194.66.105
Aliases: www.google.com