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Advertise local addresses to another subnet

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March 1, 2010 at 20:17:45
Specs: Linux
Hi Every one,

The office network provided by my ISP is

I have VM-1 Server running VM machines configured with using DHCP and NAT. This network is not learned by the router ( and also route cannot be added as the router is not managed.

I have another VM-2 Server configured with network using NAT and DHCP

I need the machines on VM-1 to talk to machines on VM-2
--------------- Router
VM-1 ----> Switch <----- VM-2

How would I advertise the and so that they can ping each other

I came across something called proxy arp which can be used to advertise routes behind the nat
I really need to learn how to implement this but cant find howto and is there any other way of doing this?

Your help is much appreciated :)

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March 2, 2010 at 05:47:32
A fundimental principle in routing between subnets is that you need a router.

It is unclear what you mean by "dhcp and nat". For a server to do nat you need two network cards and rras routing engaged. You don't mention that.

Ideally you would just put the servers in the same subnet as 192.168.2.x or you would get a router to put between the 192.168.2.x network and your 192.168.100.x network

I have no idea why you have a 192.168.101.x network. Just complicates things without benefit.

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