Situation is this:
An engineer has one switchport connected to a 2960. Connected to that port is a unmanaged switch. On that unmanaged switch he has 3 devices. His computer, and two other specialized network devices. One of these devices when connected floods the network with multicast packets at about 100 packets per second. The multicast packet dosn't need to get out onto the company network.
How do I block or filter the packet from entering the switch and flooding the company lan? It seems there are ways of blocking from exiting the port, but not entering the switch. I tried storm-control multicast level 1, but that didn't work.
I'm thinking IGMP snooping may help, but I'm unsure of how to configure it. What about a port level ACL?
Thanks in advance.
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