[c-nsp] Cursed IP address

Lukas Tribus luky-37 at hotmail.com
Sun Nov 30 07:41:18 EST 2014


> Cool story.
>
> We have set up port monitor sessions in various parts of the network
> and have found out the following. One of the C3560X-24P in the chain
> of identical switches does not let through packets with
> src=10.65.127.246&dst=224.0.0.5. Neither when such packets transit the
> switch nor when it's configured on one of it's own Vlan interfaces.
>
> Other switches in the chain are identical from the hardware/software
> point of view, and configured almost identically, but do not suffer
> from the problem.

Just reload that box, those things are not hardware defects usually.


Lukas

 		 	   		  


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