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'That VDSL Cat'
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  Reply # 1097174 28-Jul-2014 15:24
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TimA:
sbiddle:
Atlanta55: Indeed. What would the odds of those kind of events happening in our case? 




What are the chances of somebody creating a loop with switches all over the place? From my experience it's very high.




The Famous TimA Loopback cable.
I went to a mates house to fix an issue and thought it was the switch. After tearing hair out and spending 20 minutes figuring out where everything went it was a cable going back into its own switch...




gezz remind me to get you in next time i have a problem ;)




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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


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  Reply # 1100553 2-Aug-2014 11:31
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It really is embarrassing for the it industry that products are still so fragile that one misplugged easy to do thing can take an entire network down like that.




Richard rich.ms

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  Reply # 1100571 2-Aug-2014 11:50
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richms: It really is embarrassing for the it industry that products are still so fragile that one misplugged easy to do thing can take an entire network down like that.


It's more to do with people not understanding STP and cheap unmanaged switches not supporting it.


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  Reply # 1102958 5-Aug-2014 22:39
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Cheap switches are always terrible my favourite is so many of them can work till something changes then they have a problem e.g. edimax were always good at not forwarding a dhcp request from a new Mac address while allowing existing PCs to get a dhcp assigned IP till you rebooted the switch now imagine that but only in a small area of your network worse if you forget the switch even exists.

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  Reply # 1104046 7-Aug-2014 13:38
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Atlanta55: Thanks folks. So sounds like its not the end of the world.



You can always get a couple of quotes for adding more structured ports, then you have a ball park idea of the cost which means you can put in a request/recommendation that it be considered.

Never ask, never get...

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