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Setting up a separate routing system behind another router

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by garbage911a

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I have a (Japanese) RV-230se router, which I am can`t seem to find a way to open ports for inter-home network comm with.

Behind that, I thought I would set up a DI-524 d-link router and run my real network from there. Problem is, I need my rv router to connect to my isp etc., but it is giving me trouble with the home networking(viewing pcs is explorer, etc.). Is it possible to make the DI router think that it is looking at an ISP(actually the rv-230se) setup? It seems I have the ability to set up static dhcp address assignments, and I know what my gateway, as well as what windows thinks is the local dns(when a windows pc connects to the rs router).

Any idea how I can configure my DI-524?

I admit I am probably quite mixed up in my knowledge of networking, so any and all advice will be humbly appreciated.

14 replies

by absolutely

[i]I have a (Japanese) RV-230se router, which I am can`t seem to find a way to open ports for inter-home network comm with.[/i]

At a minimum, ports 53 & 80 will need to be open for DNS & http. Also, one or both of 67/68 for DHCP. If you make enough progress for me to be helpful to you, I'll look that up.

by garbage911a

When you say that the above ports need to be open, are you speaking of the ports for the router behind the router connected to the internet(d-link), or the one connected to the internet(rsv router)?

I will take a look at the d-link router, but can't seem to find any way to change port settings for the rsv-230 router

by absolutely

If you can get one computer connected to the Internet through either router, the warp drive to Vega might be an exaggeration. The bits about the maple stump and the white-painted-tire-planters and Mr. Johnson's field still apply, however.

To get that one computer browsing the web, you need your router to accept and transmit [forward] packets from your LAN with destination ports 68 for DHCP, 53 for DNS, and 80 for http. That's minimal web browsing, email clients use different ports.

This is still seeming worthwhile to you?

by robo_dev

Using multiple routers on a home network does not work well. Most SOHO routers do not have the features to do lan-to-lan routing. Add to that your stated networking knowledge limits....

My recommendation would be to scrap the NTT router and put the DI-524 in place of it.

If the NTT has a DSL modem built in, either get another DSL modem, or reconfigure it to be in "bridge mode", IF that's possible (my knowledge of NTT routers is lacking).

by dumphrey

as the simplest config for the NTT router simply sets it up in a pass through config, doing nothing for you but adding a layer of hardware to fail. Unless you have a VERY specific reason to use the NTT, I would just use the DL-524. Setting up static ips, routing protocols (RIP) and making sure all traffic is being passed is more trouble then its worth, unless you just want the exercise?
In theory, you could set up the WAN iface on the NTT to use DHCP, and to pass that along to its DHCP clients, thus taking care of DNS and DHCP. The only client it would be serving, would be the WAN iface of your DL router, also set to use DHCP, and getting an IP address and DNS info from the NTT router. The DL would then in turn pass this to your workstations. It should work, but would be slow, and most likely unreliable, NATing a NATed packet is not best practice.

by garbage911a

Is the bridge mode you are speaking of

PPPoE Bridge(enabled currently)
IPv6 Bridge(enabled currently), for wired LAN
IPv6 Bridge(disabled currently), for wireless LAN.

If this is the bridge mode you speak of, what config is necessary with the second router/pcs behind it?

Do I set one static address for the router, and then not use the ntt router for dhcp routing at all(for example)?

by dumphrey

but you have to cut across Mr Johnsons field, take a left at the big ol' oak, drive about 12 miles a sthe crow flies, then look for a stump of an old Maple... it will have a garden Gnome on top, and several old tires painted white and turned into planter...well, when you see that, your just about there, Next you need to warp into section 7 of the Vega cluster, gather 12 tons of Nitrogen, and use this to dump you into alter-space, from where you can get there in a jiff...

by robo_dev

except it would have involved more soldering, explosives, and micro-code development.

by cg it

not sure what the RV-230 router is.... but if you have a consumer level router connected to your cable/DSL modem and wish to break up that that network so you now have 2, buy another consumer level router.

looks something like this

internet>>> WAN port on router>>> LAN port>>> WAN port on second router >>> LAN

so you have 2 networks with the second one protected by 2 firewalls. note: the WAN port on the second router must be configured with an address on the 1st routers LAN. You also need to include DNS information and gateway. Gateway will be the 1st routers LAN address.

clients behind the second router use the second router's address as their gateway and of course use your ISPs DNS server addresses.

by davidm

Type http;//192.168.1.1 into your web browser and it should open. This device was made to operate with only under Japanese OS system, according to their manual.

by garbage911a

Thanks! I have been able to do that, I had just been having trouble finding where I could mess with the port settings.

by garbage911a

I am able to access the internet from any of the pcs behind the jp rsv router. I found the place to mess with port block/enabling for the jp router, but now I guess it does not matter in this case?

I am assuming that I need to find a way to open some of these ports for WAN->LAN and vice versa for the secoond router?

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