Re: cannot connect to the internet after resume

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=64.1 ms
> 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.05 ms
> 64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=1.06 ms
> 64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=2.13 ms
>
> --- 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=3.97 ms
> 64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=0.845 ms
> 64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=0.854 ms
> 64 bytes from 192.168.1.11: icmp_seq=4 ttl=64 time=0.852 ms
>
> --- 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.

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>
> 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.

> Thank you very much.

Good luck!

Do you need more help?

In addition to our free technical library, Pantek provides professional IT services to companies who utilize Open Source software: Learn more about Pantek's Technical Support offerings Place an order for 24/7/365 Technical Support here Learn more about Pantek, who we are, and what we do Chat with a Live Operator Related lists.debian.org Links debian-announce debian-apache debian-arm-changes debian-beowulf debian-boot debian-cd debian-cd-vendors debian-changes debian-changes-digest debian-isp debian-kde debian-laptop debian-mirrors-announce debian-news debian-security debian-security-announce debian-testing debian-user debian-user-digest Request more information about Pantek

> Best Regards,
> Forrest

Celejar

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