From: "Hakan" <os2-wireless_users@2rosenthals.com>
To: "OS/2 Wireless Users Mailing List" <os2-wireless_users@2rosenthals.com>
Date: Wed, 14 Apr 2010 20:42:22 -0400 (EDT)
Reply-To: "Hakan" <agents@meddatainc.com>
Priority: Normal
In-Reply-To: <list-2371859@2rosenthals.com>
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Subject: Re: [OS2Wireless] Tracerte, Delays and Unreachable Site
Message-Id: <0LsjTN-1NMjRx3zjd-012eeM@mrelay.perfora.net>

Leon,On Wed, 14 Apr 2010 20:04:26 -0400, Leon D. Zetekoff wrote:

>hi there...what is the default route on the ecs box?
>what is the DNS servers on ecs set to?

Is this relevant? As I said below, I can use my browser to get to the
initial salesforce.com screen and I have no problem browsing 100 other
sites which suggests that the DNS server must supply appropriate
information, or?

>On 04/14/2010 07:10 PM, Hakan wrote:
>> Base Case
>> I am unable to use tracerte to trace the route to salesforce.com from
>> my T43p laptop running evS 1.2R connected to Verizon's network via a
>> Netgear Wireless-N 300 Router (WNR2000v2) and then a Westell DSL modem.
>> Tracerte does not supply me with any information after the 2nd hop
>> which is the Westell modem, after that it simply displays '*' at each
>> hop. Pinging salesforce.com from the same computer shows a time of 240
>> ms. Browsing this particular site in Firefox 3.5.9 or 3.6.3 is slow and
>> inconsistent, meaning that the pages do not always load and many
>> attempts have to be made to successfully load a page. I can reach other
>> websites fine. Nslookup fails with the following message:
>>
>> *** Can't find server name for address 10.20.30.1: Non-existent
>> host/domain
>> *** Default servers are not available
>>   
>10.20.30.1 must be the netgear and looks like it is being used as a
>local DNS. Where does it get DNS from?
>
>let's tart with this stuff/
>
>leon
>> A machine running Windows connected to the same Netgear router and
>> Westell DSL modem traces the route in 11 hops. Pinging salesforce.com
>> shows here a consistent time of 85 ms. No problems browsing. Nslookup
>> results in the same error message as above but also displays the IP
>> address of salesforce.com.
>>
>> All of the above is also true, on both machines, when trying to reach
>> the IP address, 204.14.234.33, directly.
>>
>> Case 2
>> I connected the T43p running eCS directly to the Netgear router using a
>> cable and rebooted. I am still not able to trace the route to
>> salesforce.com, nor is nslookup any more helpful than above, either
>> when looking up the domain or using the above IP address. However, and
>> importantly, the ping time is now down to 80 ms on this system as well.
>>
>> The conclusion is that using this particular wireless adapter under eCS
>> (and on this particular computer) results in a signficant degradation
>> in latency.
>>
>> Scenario 3
>> I now connected the T43p directly to the Westell DSL modem. The ping
>> time stays at 80 ms, nslookup now works correctly (for both the domain
>> and the IP address with no error messages) but tracerte still does not
>> show any valid information beyond the Westell DSL modem.
>>
>> Can anyone suggest the reason for any or all of the above? A setting in
>> the Netgear router which is not entirely compatible with eCS? An effect
>> of using the Genmac driver where the communication is so slow that
>> something times out at a low level? Something not compatible in the DSL
>> modem or elsewhere on the Verizon network? Something else?
>>
>> Many thanks.
>>
>>
>>
>>
>>   
>
>
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