If you want to filter specific protocol traffic between two hosts, you do it on the basis of layer 4 information. We usually implement ACL's on a VLAN in "in or out" direction based on where and which way we the filtering is to be done. In your case communication between two PC's on a common VLAN can not be filtered as the Traffic does not cross the Vlan boundary where it can be filtered. A VLAN is a Layer 2 entity moreover the ports are Layer 2 switch ports, so filtering based on layer 4 information is not possible. You can though filter some traffic by configuring your Windows or Third Party firewall that resides on host machines but if the users have privileges to modify the Firewall settings then that may not be a good solution otherwise you could look forward to this solution also.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...