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Hello I have the following situation: My ISP gives me an IP address with DHCP, but only to the mac
address 00:11:22:33:44:55 (which is their preconfigurated device) As I want to use another device and not their preconfigurated
device, i decided to put a linux computer (lets call it "bridgePC") acting
as a bridge between those 2. bridgePC configuration: Eth0 – connected to ISP Eth1 – connected to my device brctl addbr br0 brctl addif br0 eth0 brctl addif br0 eth1 ifconfig eth0 0.0.0.0 up ifconfig eth1 0.0.0.0 up ifconfig br0 up For testing purposes connected another linux pc
("testPC") to the bridgePC (eth1). I start the dhcp client and it keeps searching.. i dont get
an IP from my ISP which is expected since I have the wrong mac address. Now, on testPC i changed the mac address to the required
00:11:22:33:44:55 from my ISP. An bam, I receive an IP via DHCP from my ISP. So, my bridgePC is working and is acting 100% transparent. Now of course, the device I want to use is not a Linux PC
and therefore I cant just simply change my mac address of my device. So I have to use bridgePC to change the outgoing packets as
if they were coming from 00:11:22:33:44:55 I tried with the following: ebtables -t nat -A POSTROUTING -o eth0 -j snat --to-source
bc:05:43:cb:ce:c1 But still not receiving an IP. Does anyone have an idea? Thanks, Steve M. |
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