On 3/30/2011 10:35, Simon Iremonger (wiltslug) wrote:
if the DSL-502T is running openwrt, you could just bridge the
connection.  if not, you could configure the RT-N16 to route without
NAT.  192.168.100.2 for the RT-N16, and 192.168.100.1 for the DSL-502T.
add "default via 192.168.100.1" and add a few firewall rules and some
dhcp settings.  not sure if the GUI interface supports it, but you can
def. do it via the CLI.
Surely, setting default route via the 192.168.100.1 machine
   without also setting a Source-hint will cause the 192.168.100.2
   IP address to be used for MASQUERADE nat and also any connections
   made from the machine itself, causing failure to work as
   192.168.100.2 to be used on replies from the internet to your
   network ????

--Simon
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You're right, I forgot a step, but it's basically nothing different than regular routing. you have to use two subnets instead of one, I haven't touched the stuff in ages, and I apologize for my mistake, but NAT is def. not needed. IE: 192.168.100.1 and 192.168.100.2 for the DSL and the RT respectively, and then 192.168.101.2 for the RT side facing your clients (notice it's .2 on both sides) and 192.168.101.0/24 for the rest of your clients. no NAT is performed, no trickery of any kind, just straight up routing.
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