Benjamin Francom wrote:
> On Tue, Dec 22, 2009 at 7:18 PM, Mark Phillips
> <mark@phillipsmarketing.biz> wrote:
>> Trent,
>>
>> I ran into a similar problem today - my network slowed waaaaaaaaaaaaaay down
>> on me. All I used was ping to methodically to check all the connections and
>> found that a switch was reseting itself and dropping packets. Basically, I
>> turn everything off, reset all the routers, cable modems, etc, and then turn
>> on one piece of equipment at a time and ping to the main router to see if I
>> can connect and if there is any packet loss. You can find a out a lot of
>> information by being methodical and knowing your network topology.
>>
>> Good Luck!
>>
>> Mark
>>
>> On Tue, Dec 22, 2009 at 5:52 PM, Trent Shipley <tshipley@deru.com> wrote:
>>> Somewhere my connection to the Internet is borken. Load times take
>>> forever. It doesn't seem to effect the wireless client routers, but I
>>> have had trouble on both the wired machines under Ubuntu 9.10 and
>>> Windows Vista. Sometimes the Linux machine effectively looses
>>> connectivity with the Internet. It comes back if I log out of my X
>>> session and log back in ... most of the time. I have a firewall router,
>>> but effectively no household LAN since I've been too lazy to really
>>> figure out how to configure the Ubuntu desktop machine as a primary
>>> domain controller, then adjust it's firewall to suit.
>>>
>>>
>>> I'd like an idiot friendly tool to help track this problem down,
>>> preferably on the Linux machine which seems to experience the problem
>>> most consistently.
>>>
>>> Baring a GUI tool friendly to mortal users, I am not above using the
>>> @#$% command line and a text editor.
>>>
>>>
>>> I am not too network savvy. I have to look up the layers of the OSI
>>> stack every time. What is a reasonable diagnostic or fault tree for
>>> approaching my symptoms.
>>>
>>> It is also worth noting that this problem seems to date back to
>>> precisely when I upgraded from Ubuntu 9.04 to 9.10.
>>>
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>>
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>
> Unplug all devices for at least one min. Start with modem and work
> your way up to the PC
> The Vista and Ubuntu machines are separate machines, not a single dual
> boot, right?
>
> tracert=windows
> traceroute=linux
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I have "rebuilt" the network a couple of times from the modem up. My
suspicion is focused on the Ubuntu desktop because of the coincidence
that the problem started with a major upgrade.
Yes. We have the following on the network ... not all at the same time.
* Qwest modem, outside the firewall.
* Netgear wired/802.11g wireless router. No evident problems with
wireless connections.
* Ubuntu 9.10 on Dell hardware. Wired connection. (Main suspect)
Thinking about putting in a new Ethernet card since I have it "in stock"
anyway and it's doing me no good in the box.
* Apple notebook. Wired connection.
** Windows Vista. Have seen some symptoms.
** OS X. mild symptoms.
* Apple notebook. Wireless. No known symptoms.
* Apple iMac. Wireless No known symptoms.
* (Occasional) HP netbook running Ubuntu 9.10 netbook remix. Wireless.
No known symptoms.
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