Cannot ping second ethernet device
by jplev22 from LinuxQuestions.org on (#528TG)
I am setting up an internal subnet on the second ethernet adapter of my server. The intent is to eventually route all that subnet's traffic though a tunnel.
However, I can't seen to get past the ethernet device.
(enp8s0=internal subnet eno1=subnet connected to wan)
Example:
Code:$ ping -I enp8s0 192.168.190.20
PING 192.168.190.20 (192.168.190.20) from 192.168.192.1 enp8s0: 56(84) bytes of data.
--- 192.168.190.20 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 66msip route:
Code:default via 192.168.190.1 dev eno1 onlink
192.168.190.0/24 dev eno1 proto kernel scope link src 192.168.190.20
192.168.192.0/24 dev enp8s0 proto kernel scope link src 192.168.192.1I also modified the iptables using:
Code:$ sudo iptables -t nat -A POSTROUTING -j MASQUERADE
$ sudo iptables -A FORWARD -i enp8s0 -o eno1 -j ACCEPTConfirmed ip forward is enabled:
Code:$ sudo cat /proc/sys/net/ipv4/ip_forward
1Any clue? Thanks for any input.


However, I can't seen to get past the ethernet device.
(enp8s0=internal subnet eno1=subnet connected to wan)
Example:
Code:$ ping -I enp8s0 192.168.190.20
PING 192.168.190.20 (192.168.190.20) from 192.168.192.1 enp8s0: 56(84) bytes of data.
--- 192.168.190.20 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 66msip route:
Code:default via 192.168.190.1 dev eno1 onlink
192.168.190.0/24 dev eno1 proto kernel scope link src 192.168.190.20
192.168.192.0/24 dev enp8s0 proto kernel scope link src 192.168.192.1I also modified the iptables using:
Code:$ sudo iptables -t nat -A POSTROUTING -j MASQUERADE
$ sudo iptables -A FORWARD -i enp8s0 -o eno1 -j ACCEPTConfirmed ip forward is enabled:
Code:$ sudo cat /proc/sys/net/ipv4/ip_forward
1Any clue? Thanks for any input.