On Tue, Sep 13, 2011 at 1:19 PM, Shlomi Fish <shlo...@gmail.com> wrote:

> To reply to shimi, I'm getting this ping trace:
>
> [root@localhost ~]# ping 192.168.1.10
> PING 192.168.1.10 (192.168.1.10) 56(84) bytes of data.
> 64 bytes from 192.168.1.10: icmp_req=3 ttl=64 time=0.315 ms
> 64 bytes from 192.168.1.10: icmp_req=7 ttl=64 time=0.258 ms
> 64 bytes from 192.168.1.10: icmp_req=8 ttl=64 time=0.313 ms
> 64 bytes from 192.168.1.10: icmp_req=9 ttl=64 time=0.258 ms
> 64 bytes from 192.168.1.10: icmp_req=10 ttl=64 time=0.330 ms
> 64 bytes from 192.168.1.10: icmp_req=11 ttl=64 time=0.296 ms
> 64 bytes from 192.168.1.10: icmp_req=13 ttl=64 time=0.293 ms
> 64 bytes from 192.168.1.10: icmp_req=14 ttl=64 time=0.284 ms
> 64 bytes from 192.168.1.10: icmp_req=15 ttl=64 time=0.288 ms
> 64 bytes from 192.168.1.10: icmp_req=18 ttl=64 time=0.281 ms
> 64 bytes from 192.168.1.10: icmp_req=19 ttl=64 time=0.265 ms
> 64 bytes from 192.168.1.10: icmp_req=20 ttl=64 time=0.279 ms
> 64 bytes from 192.168.1.10: icmp_req=21 ttl=64 time=0.273 ms
> 64 bytes from 192.168.1.10: icmp_req=22 ttl=64 time=0.501 ms
> 64 bytes from 192.168.1.10: icmp_req=23 ttl=64 time=0.499 ms
> 64 bytes from 192.168.1.10: icmp_req=24 ttl=64 time=0.309 ms
> 64 bytes from 192.168.1.10: icmp_req=25 ttl=64 time=0.270 ms
> 64 bytes from 192.168.1.10: icmp_req=28 ttl=64 time=0.301 ms
>
> Seems like a lot of packets are dropped. Next, I will try to reboot
> the laptop. Maybe it will help.
>
>
Dropped packets are a great way to cause the exact symptoms you described.

Next you should try a cross Ethernet cable between the two computers;

My bet is one of those:
* bad Ethernet cable between one of the computers and the router/switch (you
can verify by pinging the router from each one of the computers)
* bad switch / home router (common ones where I personally encountered this:
Edimax & TP-Link of any model...)

HTH,

-- Shimi
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