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dptoinformatica
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Problems to change IP source to other IP dest using NAT
I've got a RouterBOARd 951G 2HnD. I've configure to connect the Eth1 with an static IP 192.168.X.X, to the Eth5 i will connect a PC with 192.168.1.30 IP and i need to transform this to 192.168.79.121. I've tried using NAT by this way (image file). What i'm doing wrong. Thanks in advance!
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Re: Problems to change IP source to other IP dest using NAT
dst-address no es lo nuevo IP, es la dirección de destino de la conexión
dst-address is not the new IP, it is the destination address of the connection
dst-address is not the new IP, it is the destination address of the connection
Re: Problems to change IP source to other IP dest using NAT
Hi @dptoinformatica, welcome to the forum!
You have to use the "action"-tab and set action drop-box to "src-nat" and "To Adrresses:" to "192.168.79.121". Check the log box if you want to enable tracing. You may also use the command "/ip firewall nat add chain=srcnat src-address=192.168.1.30 out-interface=ether5 action=src-nat to-addresses=192.168.79.121"
You have to use the "action"-tab and set action drop-box to "src-nat" and "To Adrresses:" to "192.168.79.121". Check the log box if you want to enable tracing. You may also use the command "/ip firewall nat add chain=srcnat src-address=192.168.1.30 out-interface=ether5 action=src-nat to-addresses=192.168.79.121"
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Re: Problems to change IP source to other IP dest using NAT
Source nat (not destination nat) is the path.
think about it, the general rule to masquerade all traffic out of ones router is typically chain=srcnat action=masquerade so that all private IPs appear to come from the identified outgoing inteface usually the WAN interface.
think about it, the general rule to masquerade all traffic out of ones router is typically chain=srcnat action=masquerade so that all private IPs appear to come from the identified outgoing inteface usually the WAN interface.
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dptoinformatica
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Re: Problems to change IP source to other IP dest using NAT
Thats the situation I need to enable connectivity between the two pc's, I've added routes to make it possible and:I've got a RouterBOARd 951G 2HnD. I've configure to connect the Eth1 with an static IP 192.168.X.X, to the Eth5 i will connect a PC with 192.168.1.30 IP and i need to transform this to 192.168.79.121. I've tried using NAT by this way (image file). What i'm doing wrong. Thanks in advance!
-I can ping from PC2 to PC1
-I can't ping from PC1 to PC2
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Re: Problems to change IP source to other IP dest using NAT
The schema is near useless, but only if:
1) Really one single lan cable connect PC1 with Router, and a single cable Router and PC2?
Why do not link directly the 2 PC?
2) Why not simply change the IP of PC?
3) Why not simply add another IP to PC?
You can not NAT anything if the Router if is not the default Gateway or if the two PC have another LAN connection with it's own gateway.
export the config with
and after removed the private data, paste on forum.
Also paste both IPv4 configuration of the two PC.
1) Really one single lan cable connect PC1 with Router, and a single cable Router and PC2?
Why do not link directly the 2 PC?
2) Why not simply change the IP of PC?
3) Why not simply add another IP to PC?
You can not NAT anything if the Router if is not the default Gateway or if the two PC have another LAN connection with it's own gateway.
export the config with
Code: Select all
/export file=config
Also paste both IPv4 configuration of the two PC.
Re: Problems to change IP source to other IP dest using NAT
If the two PCs are behind the same router and simply on different subnets, to connect them is a matter of forward chain firewall rules???
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