Re: Can't figure out simple routing between 2 Windows domains

Chris Allen wrote:
Thanks for the response. In my case both networks also have their own
internet connections, which is the default gateway on each host on
each network.

So in order for a PC on 192.168.1.0 to talk to a PC on 192.168.2.0
with the router having address' 192.168.1.62 and 192.168.2.62 I'd add
a static route like so?:

add route 192.168.2.0 MASK 255.255.255.0 192.168.1.62

No, no need. If the router has an address in 192.168.1.x and 192.168.2.x, and the PCs have that as it's default gateway, it'll just work.

I've got an Allied Telesyn AR-410 router that should do the routing.
But, why would the router just magically forward packets from one
network to the other? Just because it's multihomed it will
automatically route packets from net1 on nic1 and net2 on nic2?

Yep, provided the mask is right. That's what the subnet mask is for- it defines what ranges of addresses are valid on that interface.

This
is what is really confusing to me... From looking at the manual it
seems to be that case that to enable routing you need to enable RIP,
or OSPF, BGP, or add static routing entries.
It should just work, as it has interfaces in both subnets. It's only if you needed to route elsewhere as well that you need static routes (or a dynamic routing protocol like RIP).
.

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