PC and laptop on green site can successfully ping to pc on yellow site and server but the pc on yellow site and server and also router cannot ping back to pc
![routing - How the two computers are able to ping themselves which are connected to single router but both are in different Network? - Network Engineering Stack Exchange routing - How the two computers are able to ping themselves which are connected to single router but both are in different Network? - Network Engineering Stack Exchange](https://i.stack.imgur.com/yPMri.png)
routing - How the two computers are able to ping themselves which are connected to single router but both are in different Network? - Network Engineering Stack Exchange
![ping - Computers in an unmanaged switch cannot communicate with one another - Network Engineering Stack Exchange ping - Computers in an unmanaged switch cannot communicate with one another - Network Engineering Stack Exchange](https://i.stack.imgur.com/OBXOO.png)
ping - Computers in an unmanaged switch cannot communicate with one another - Network Engineering Stack Exchange
![networking - I can ping from a PC to another PC on different subnet but the reverse is not - Super User networking - I can ping from a PC to another PC on different subnet but the reverse is not - Super User](https://i.stack.imgur.com/OUU45.png)
networking - I can ping from a PC to another PC on different subnet but the reverse is not - Super User
![vlan - Computer cannot ping to another computer on a different network - Network Engineering Stack Exchange vlan - Computer cannot ping to another computer on a different network - Network Engineering Stack Exchange](https://i.stack.imgur.com/u9sDu.png)