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Hi,I tested the port security on c3560-advipservicesk9-mz.122-46.SE.bin as shown below. Despite setting a limit of one mac address, a burst of faked arp replies from 200.0.0.87 on port 23 killed the ARP table in an instant. Only the switch's own entr...
Hi Rolf,I used the software Ostinato to generate the faked request, as seen in the debug, using the switch mac as the target.The source mac address was anything and counted up, so for the switch it must be considered different systems "out there" sen...
Hi Razvan,I seen this often on misconfigured ports. The trunk forward the packets and on the other side they are received as "not trunk packets", and thus the same mac seem to enter the Vlan at 2 places.It can also be produced by creating a monitor s...