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本帖最后由 chirontan 于 2010-5-25 09:33 编辑
先说一下拓扑结构
modem——netgear FVL328路由器——傻瓜交换机——netgear WGR614V9无线路由器——无线客户端
FVL328的网段在192.168.0.0/24是静态IP WGR614V9的网段在1.1.1.0/224是动态IP
再说明一下出现的问题
经常无线用户无法正常上网，但是QQ是连接的就是不能上网，tracert也能正常跟踪，dns也可以ping通，nslookup可以解析域名的，就是打不开网页，用IP也不行，此时再把无线路由器断电一分钟再开就又好了，此问题长期困扰着我，一直未能解决
以下是不能正常上网时无线客户端的命令执行情况202.96.209.133是电信dns 1.1.1.1是无线路由器的IP地址
C:\Documents and Settings\Administrator>ping www.baidu.com
Pinging www.a.shifen.com [119.75.217.56] with 32 bytes of data:
Reply from 119.75.217.56: bytes=32 time=211ms TTL=54
Reply from 119.75.217.56: bytes=32 time=123ms TTL=54
Reply from 119.75.217.56: bytes=32 time=132ms TTL=54
Reply from 119.75.217.56: bytes=32 time=123ms TTL=54
Ping statistics for 119.75.217.56:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 123ms, Maximum = 211ms, Average = 147ms
C:\Documents and Settings\Administrator>telnet baidu.com 80
Connecting To baidu.com...Could not open connection to the host, on port 80: Con
nect failed
C:\Documents and Settings\Administrator>tracert baidu.com
Tracing route to baidu.com [61.135.163.94]
over a maximum of 30 hops:
1 2 ms <1 ms <1 ms 1.1.1.1
2 21 ms 20 ms 28 ms 124.74.7.150
3 40 ms 46 ms 72 ms 124.74.7.149
4 13 ms 14 ms 12 ms 124.74.211.189
5 15 ms 13 ms 121 ms 61.152.86.50
6 * * * Request timed out.
7 * 350 ms * 219.158.32.1
8 * * 197 ms 219.158.13.61
9 * * * Request timed out.
10 * * * Request timed out.
11 * 288 ms 327 ms 202.106.43.66
12 * 212 ms * 61.135.163.94
13 * * * Request timed out.
14 215 ms 210 ms 209 ms 61.135.163.94
Trace complete.
C:\Documents and Settings\Administrator>nslookup www.baidu.com
*** Can't find server name for address 1.1.1.1: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 1.1.1.1
Non-authoritative answer:
Name: www.a.shifen.com
Addresses: 119.75.218.45, 119.75.217.56
Aliases: www.baidu.com
C:\Documents and Settings\Administrator>telnet 119.75.218.45 80
Connecting To 119.75.218.45...Could not open connection to the host, on port 80:
Connect failed
C:\Documents and Settings\Administrator>ping 119.75.218.45
Pinging 119.75.218.45 with 32 bytes of data:
Reply from 119.75.218.45: bytes=32 time=132ms TTL=54
Reply from 119.75.218.45: bytes=32 time=131ms TTL=54
Reply from 119.75.218.45: bytes=32 time=125ms TTL=54
Reply from 119.75.218.45: bytes=32 time=128ms TTL=54
Ping statistics for 119.75.218.45:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 125ms, Maximum = 132ms, Average = 129ms
路由器下连接的四五台无线客户端都是一样现象，信号强度“强”，路由器的电源马上拔掉再马上插好故障依旧，一定要等一分后以后再插电才正常(或者拔掉WAN口的网线一分钟后再插回也就正常了，网线也已经换过N条了)，路由器的我已经先后换过Dlink tplink netgear 三个牌子的都是同一种现象
(补充一下，包是打不开网页的时候抓的，拔了网线，过了一分钟插上又好了，出问题的时候傻瓜交换机下网线接的几十台台式机都是正常上网的)
(）
各位一起研究一下^__________________________________^
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发表于 2010-5-14 10:13:36
发表于 2010-5-14 14:32:12