Re: cannot connect to the internet after resume

On Thu, Feb 21, 2008 at 9:43 AM, Celejar <celejar@gmail.com> wrote:

> On Wed, 20 Feb 2008 14:07:20 +0800
> "Forrest Y. Yu" <forrest.yu@gmail.com> wrote:
>
> [please don't top post, and don't send me a separate copy of your mails,
> as per the code of conduct]
>
> > The network problem happened to me again today.
> > Here's your questions and my answers:
> >
> > What happens when you try to access the network?
> > - When I try to open a web page, I just get no reply.
> Sometimes
> > I get a reply after long time.
> >
> > Can you ping the router? Other hosts on the lan? Other hosts
> on
> > the internet? By name? By IP?
> > - I can ping the router:
> > $ ping 192.168.1.1
> > PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
> > 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=64.1ms
> > 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.05ms
> > 64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=1.06ms
> > 64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=2.13ms
> >
> > --- 192.168.1.1 ping statistics ---
> > 4 packets transmitted, 4 received, 0% packet loss, time
> > 2999ms
> > rtt min/avg/max/mdev = 1.057/17.102/64.149/27.166 ms
> > $
>
> Looks good.
>
> > I can ping other hosts on the lan:
> > $ ping 192.168.1.11
> > PING 192.168.1.11 (192.168.1.11) 56(84) bytes of data.
> > 64 bytes from 192.168.1.11: icmp_seq=1 ttl=64 time=3.97ms
> > 64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=0.845ms
> > 64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=0.854ms
> > 64 bytes from 192.168.1.11: icmp_seq=4 ttl=64 time=0.852ms
> >
> > --- 192.168.1.11 ping statistics ---
> > 4 packets transmitted, 4 received, 0% packet loss, time
> > 2997ms
> > rtt min/avg/max/mdev = 0.845/1.631/3.973/1.352 ms
> > $
>
> Good.
>
> > I can ping other hosts on the internet:
> > $ ping www.debian.org
> > PING www.debian.org (194.109.137.218) 56(84) bytes of
> data.
> > 64 bytes from klecker.debian.org (194.109.137.218):
> > icmp_seq=1 ttl=47 time=401 ms
> > 64 bytes from klecker.debian.org (194.109.137.218):
> > icmp_seq=2 ttl=47 time=415 ms
> > 64 bytes from klecker.debian.org (194.109.137.218):
> > icmp_seq=3 ttl=47 time=404 ms
> > 64 bytes from klecker.debian.org (194.109.137.218):
> > icmp_seq=4 ttl=47 time=404 ms
> >
> > --- www.debian.org ping statistics ---
> > 4 packets transmitted, 4 received, 0% packet loss, time
> > 3321ms
> > rtt min/avg/max/mdev = 401.797/406.603/415.951/5.495 ms
> > $
> > $ ping www.google.com
> > PING www-china.l.google.com (64.233.189.104) 56(84)
> bytes of
> > data.
> > 64 bytes from hk-in-f104.google.com (64.233.189.104):
> > icmp_seq=1 ttl=240 time=58.9 ms
> > 64 bytes from hk-in-f104.google.com (64.233.189.104):
> > icmp_seq=2 ttl=240 time=55.1 ms
> > 64 bytes from hk-in-f104.google.com (64.233.189.104):
> > icmp_seq=3 ttl=240 time=54.2 ms
> > 64 bytes from hk-in-f104.google.com (64.233.189.104):
> > icmp_seq=4 ttl=240 time=60.5 ms
> >
> > --- www-china.l.google.com ping statistics ---
> > 4 packets transmitted, 4 received, 0% packet loss, time
> > 3003ms
> > rtt min/avg/max/mdev = 54.227/57.232/60.585/2.627 ms
> > $
>
> Good.
>
> >
> > By speed, do you mean latency or data transfer time?
> > - I don't know. When I access a web page, it is finished
> after
> > long time. Sometimes it just fails.
> >
> > What are the ping times like (before and after suspend?)
> > - Pinging seems ok even when internet is inaccessable.
>
> I think that would be impossible.
>
> > How long does name resolution take?
> > - Name resolution seems ok.
> >
> > Do protocols other than HTTP also suffer? What about other
> > browsers?
> > - Other browsers such as Epiphany and w3m don't work either.
>
> What about ftp, ssh, smtp, pop?
>
> > And also, when this happened, I plugged the wire and tried the wired
> > network, it failed too.
>
> Do you have any other machines on the network that you can test? What
> about another OS on the machine? We need to figure out if there is a
> misconfiguration on your machine or upstream.

I have a desktop machine on the network connected via a cable. It is always ok.

I have a pre-installed Windows Vista in my laptop but I don't use it, so I don't know whether there's any problem with windows.

Do you think that it's the router's bug? I have a TP-LINK WR541G/542G Wireless Router.

>
>
> > Thank you very much.
>
> Good luck!
>
> > Best Regards,
> > Forrest
>
> Celejar
> --
> mailmin.sourceforge.net - remote access via secure (OpenPGP) email
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>
>

Regards,
Forrest

-- 
Stupid is as stupid does.



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