I have an interesting issue where the remote site (PC1) cannot ping the PBX. But it can ping anything else. Any thoughts?
All the devices on the left of FW2 can ping everything in subnet 10.10.10.0/24 except the pbx.
switch1, R3, and the PBX have the default gateway (DG) as the FW (10.10.10.1)
switch2 DG is R3 (10.10.10.3)
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