Switch 1 connected to a PC with that port configured with Vlan2.
Connected to switch2 via a standart port that is also on Vlan2
Switch 2 connected to switch1 via a standard port configured for Vlan2 (same cable as listed above, only one connection between the 2 switches)
Connected to a firewall with the port configured for Vlan 2
Firewall connected to the internet
connected to switch2 via a port that is configured with the default Vlan0 and a subinterface with Vlan2.
I cannot ping from my PC on switch 1 to the lan interface of the firewall.
What is the best way to diagnose this?