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Asked: 2019-03-01 13:14:37 +0800 CST

iptables put external ip to internal machines

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Cant wrap my mind on this problem. I want to put external ip to internal machines ("LAN").

            200.0.0.1               /-->[eth0 s2] 200.0.0.2
[internet]<---->[eth0 s1 eth1]<--[sw]-->[eth0 s3] 200.0.0.3
                                    \-->[eth0 s4] 200.0.0.4

I want to be able to ping s2,s3,s4 from internet and internet from s2,s3,s4. I don't want to set many ip 200.0.0.2,200.0.0.3,200.0.0.4 on [eth0 s1] then SNAT/DNAT it to internal ip.

Is it possible to do that?

Do i need to set something like promiscuous mode on [eth0 s1]?

iptables

0 Answers