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how to setup virtual network interface and using iptables forwarding to route between virtual network interfaces?

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I am trying to setup mutli network interfaces because I would like to do multi traffic-control at once.

My device only support one physical network interface.

So my thought is to set one network interface and ip route default to it.

Then base on different iptable polcy, the packets can go through different virtual network interfaces which is bond traffic-control policy.

Then all the packets should go through physic network interface to reach wan.

$ sudo ifconfig enp0s5:3 123.123.22.23

$ sudo ip route add 0.0.0.0/0 via 123.123.22.23 dev enp0s5:3



$ sudo iptables -t nat -A POSTROUTING -o enp0s5:3 -j MASQUERADE

$ sudo IPTABLES -A FORWARD -i enp0s5:3 -o enp0s5 -m state --state RELATED,ESTABLISHED -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -m state --state RELATED,ESTABLISHED -j ACCEPT

$  sudo iptables -A FORWARD -i enp0s5:3 -o enp0s5 -j ACCEPT

However, I setup this but the packets not going outside.

I ping google.com and it said failed no route to host.

linux networking routing iptables

share|improve this question

asked yesterday

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0

I am trying to setup mutli network interfaces because I would like to do multi traffic-control at once.

My device only support one physical network interface.

So my thought is to set one network interface and ip route default to it.

Then base on different iptable polcy, the packets can go through different virtual network interfaces which is bond traffic-control policy.

Then all the packets should go through physic network interface to reach wan.

$ sudo ifconfig enp0s5:3 123.123.22.23

$ sudo ip route add 0.0.0.0/0 via 123.123.22.23 dev enp0s5:3



$ sudo iptables -t nat -A POSTROUTING -o enp0s5:3 -j MASQUERADE

$ sudo IPTABLES -A FORWARD -i enp0s5:3 -o enp0s5 -m state --state RELATED,ESTABLISHED -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -m state --state RELATED,ESTABLISHED -j ACCEPT

$  sudo iptables -A FORWARD -i enp0s5:3 -o enp0s5 -j ACCEPT

However, I setup this but the packets not going outside.

I ping google.com and it said failed no route to host.

linux networking routing iptables

share|improve this question

asked yesterday

鄭元傑鄭元傑

1013

add a comment | 

I am trying to setup mutli network interfaces because I would like to do multi traffic-control at once.

My device only support one physical network interface.

So my thought is to set one network interface and ip route default to it.

Then base on different iptable polcy, the packets can go through different virtual network interfaces which is bond traffic-control policy.

Then all the packets should go through physic network interface to reach wan.

$ sudo ifconfig enp0s5:3 123.123.22.23

$ sudo ip route add 0.0.0.0/0 via 123.123.22.23 dev enp0s5:3



$ sudo iptables -t nat -A POSTROUTING -o enp0s5:3 -j MASQUERADE

$ sudo IPTABLES -A FORWARD -i enp0s5:3 -o enp0s5 -m state --state RELATED,ESTABLISHED -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -m state --state RELATED,ESTABLISHED -j ACCEPT

$  sudo iptables -A FORWARD -i enp0s5:3 -o enp0s5 -j ACCEPT

However, I setup this but the packets not going outside.

I ping google.com and it said failed no route to host.

linux networking routing iptables

share|improve this question

asked yesterday

鄭元傑鄭元傑

1013

$ sudo ifconfig enp0s5:3 123.123.22.23

$ sudo ip route add 0.0.0.0/0 via 123.123.22.23 dev enp0s5:3



$ sudo iptables -t nat -A POSTROUTING -o enp0s5:3 -j MASQUERADE

$ sudo IPTABLES -A FORWARD -i enp0s5:3 -o enp0s5 -m state --state RELATED,ESTABLISHED -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -j ACCEPT

$ sudo iptables -A FORWARD -i enp0s5 -o enp0s5:3 -m state --state RELATED,ESTABLISHED -j ACCEPT

$  sudo iptables -A FORWARD -i enp0s5:3 -o enp0s5 -j ACCEPT

share|improve this question

asked yesterday

鄭元傑鄭元傑

1013

share|improve this question

asked yesterday

鄭元傑鄭元傑

1013

asked yesterday

鄭元傑鄭元傑

1013

asked yesterday

鄭元傑鄭元傑

1013