Re: STP bug, loop not detetcted

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Joakim Tjernlund wrote:
> On Thu, 2008-05-08 at 02:16 +0000, richardvoigt@xxxxxxxxx wrote:
>> If a bridge receives one of its own STP packets on the same interface
>> from which it was sent, that indicates a loop elsewhere in the network
>> that disabling an interface locally will not fix, therefore STP takes
>> no action.
> 
> I see, would it hurt something else if STP did turn off it interface in
> this case? Optical i/f's is getting more common so these types of loops
> will increase so I think this needs to be addressed.
> 
cisco and others solved this kind of problem using proprietary 
unidirectional link detection protocols (see cisco informational rfc 
5171 for example). No standard exists as far as I know (BFD rfc does not 
consider the layer 2 case).

I am working on an custom udld protocol implementation at the moment ...

> Any chance Rapid STP will fix my problem?
no
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