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multiple NICs --> routes?
Name: eye-designs Date: June 17, 2007 at 03:33:06 Pacific OS: Windows XP SP2 CPU/Ram: AMD Athlon 64 X2 4400+
Comment:
hi,
I am planning on using a linux machine as a router. It's a machine with 2 NICs, on for the WAN-side & one for LAN-side. Now i was told that a machine with two or more NICs should have a route set. Is this true and if so, how do I do this?
Name: SmittyZ3M Date: June 17, 2007 at 08:42:38 Pacific
Reply:
All depends on how your ISP is allocating you IP addresses. If they are giving you (1) public IP address, then you are going to want to setup NAT on the NIC's. The NIC that plugs into your Internet connection will be the WAN NIC, and the other NIC will be for the LAN.
I have used a Linux box for dual-homed routing before, but only in a private LAN setting.
Provide some more information regarding your ISP setup.
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Response Number 2
Name: wanderer Date: June 20, 2007 at 12:45:28 Pacific
Reply:
"Now i was told that a machine with two or more NICs should have a route set."
No linux guy here but its my understanding this is what you use the ip tables for. In the MS world you have ICS but in Linux you have ip tables file which you have to provide the nat routing tables.
Should be easy to google linux and ip tables and routing to get examples.
Imagine the power if you knew how to internet search
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