PC2 can ping PC1
PC2 can ping App Server
APP server can ping PC2
PC1 can ping VPN Server
PC1 can't ping PC2
Routes are fine as PC2 can ping PC1
Firewall rules are fine as PC2 can ping PC1 and App Server
tcpdump on VPN server while pinging PC1 > PC2 shows
Eth0 08:43:11.116773 IP 10.1.21.247 > 10.124.250.100: ICMP echo request, id 21131, seq 0, length 64
Tun0 08:43:11.116816 IP 10.1.21.247 > 10.124.250.100: ICMP echo request, id 21131, seq 0, length 64
Tun0 08:43:11.154826 IP 10.124.250.100 > 10.1.21.247: ICMP echo reply, id 21131, seq 0, length 64
Eth0 08:43:11.154838 IP 10.124.250.100 > 10.1.21.247: ICMP echo reply, id 21131, seq 0, length 64
I have done packet captures, tracert, checked fwall rules, routes...what am i missing?
Should I be doing any additional pre or post routing on the VPN server?