Date: Tue, 7 Feb 2017 12:11:43 +0000 From: "Paul.Pathiakis@gd-ms.com" <Paul.Pathiakis@gd-ms.com> To: "freebsd-pf@freebsd.org" <freebsd-pf@freebsd.org> Subject: NAT'ing same IP spaces Message-ID: <BA3F3534C912374CAF46DAD88082632DEADE9E@AZRC4SAZMSG12.rc4s.com>
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Hi, I have two sites, A and B, one is a mirror of the other. They have all the= same machines as their counterparts in the other site. They are in the 10= .10.10.x/24 address space I have a new repository machine that needs to get backups from all the mach= ines in both networks despite having the same IPs. One set connects to a switch on a 10.10.2.x/24 space and the other a 10.10.= 4.x/24 space on VLAN(s) on a switch. There are some strange gyrations that= people go through to PXEboot any of the machines with a DHCP to get an add= ress on the 10.10.2/24 or 10.10.4/24 and access things through the switch. I'm trying to think of a simple way with NAT and rdr to get the repository = to accept connections from a machine placed anywhere external to both sites= and be able to send a restore to the proper machine in either of the netwo= rks. None of the existing machines in either site can be modified by adding/chan= ging firewall settings or implementing NAT More detail... site A on 10.10.10.1 needs to be backed up via 10.10.2/24 as= does 10.10.10.10 in Site B but on 10.10.4/24. They need to talk to the repository. At one point, someone may need to res= tore. How can I differentiate between the machines in the two networks tha= t have the same IP? I can place the repository machine anywhere in the net= work but not in the sites themselves. Do I need multiple machines? Should I just have multiple cards on the repo= sitory machine? Thank you! P.
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