Quote:
Originally Posted by Raekwon
I have little doubt in you. I can post the configuration if you want. I just want to believe that our IT dept. in our head office would be smart enough to figure this out.
PS: appreciate the response
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He has me convinced, and it only took him 2 posts!
Still doesn't explain the being able to access it at 7am though, but that was probably a red herring.
The thing about netmasks is that within an internal network you can get by without them being correct for a long time and not notice. This can be because you are attributing errors that come up to other factors, like the guesses in this thread, some made sense if you didn't put much thought into it, like my firewall rules guess or my switching loop theory.
The other thing is, the netmask is the least often culprit when typical connection problems occur. Of the 3 settings I would check on a device, IP address and Gateway would all come before me taking into account the netmask. After all, it is probably a difference of 255.255.255.0 to 255.255.0.0, something you might not notice unless you were looking for it.
I am almost willing to bet that your head office IT staff didn't put enough effort into it to rule out the other factors that they, like others in this thread, considered to be likely causes.