Common operational misconceptions
mike.lyon at gmail.com
Fri Feb 17 16:46:02 UTC 2012
Sent from my iPhone
On Feb 17, 2012, at 7:48, Jack Bates <jbates at brightok.net> wrote:
> On 2/17/2012 9:18 AM, Steve Clark wrote:
>> Having worked with many people over the last 40 years, the good trouble
>> shooters understood how things
>> were suppose to work. This helps immeasurably in determining where to
>> start looking.
> Ran into this not too long ago with a transport problem. The behavior I was seeing was indicative of the transport not stripping their outer tag. They put wireshark on a windows laptop and sent me the traffic captures. While I didn't know that M$ decided to do something silly like removing a single tag, all indicators were that the M$ stack "fixed" whatever was broken prior to wireshark. We took a capture from another device and proved the problem.
> Which is a common transport problem I often see, "Our configuration looks right, it must be on your end."
If i had a dollar for everytime i've heard that from a telco, i'd be a
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