How to configure an isolation group to communicate with the outer layer but not with layer 2

How do I configure an isolation group to communicate with the outer layer but not the second layer? In response to this problem, today Xiaobian summarized this article, hoping to help more friends who want to solve this problem find a simpler and easier way.

I. Configure isolation information

1. Create a network structure diagram as shown below, and configure the IP address:

2. Configure switch isolation information:

3. View switch configuration information:

4. Verify that the two layers of the configuration isolation group cannot communicate with each other, but can communicate with the outer layer. Results:

The above is the configuration isolation group can communicate with the outer layer but can not communicate with the second layer of the method, after reading whether there is any harvest? If you want to know more about it, welcome to pay attention to industry information!