IP Forwarding within Router

[metalguy90]

Hello Everyone,

I am new to using routers and such, but I am building a network at home, and for the most part, have always used a simple network with either a hub or switch. I have now upgraded myself to 'router' status and want to start using the benefits of a router.

My main question is about accessing my Voip modem through the router.

Currently it is connected as follows:

Internet --> Router --> Voip Modem

I have been able to access both the router & voip modem without any problems. The problem is that I have to access them seperately and not connected to each other.

The voip modem works in the current configuration, but I am not able to access the modem. I have to disconnect the voip modem and connect it directly to a PC to access the voip modem.

The router in my network uses 10.0.0.x for addressing and the voip modem uses 192.168.15.x for addressing.

the voip modem is a D-Link DVG-1120. It comes with its own firewall and such. It has a WAN connection and a LAN connection (both ethernet). I use the WAN connection in order for Voip to work in my current configuration. The lan is really for any other computer to connect to that particularly modem. (so WAN = uplink, LAN = regular port).

After this long explanation of how I have things setup, is it possible to access 192.168.15.1 through my current configuration (through my router)? Do I need to setup IP forwarding? Or is it something else that I need to do?

Any suggestions are always welcomed! Thanks! :)

[kl33per]

If you're using a real router (not an "ADSL Router") then yes, you can access the 192.168.15.0 network through the router using IP Forwarding. Alternatively, you could just change your whole network to the 192.168.15.0 network. There is no real reason not to.

[metalguy90]

i have a zoom x6 5590 wireless adsl router.

Could I not change my network anyways to 192.168.15.0? What would happen if i try?

How would I go about setting up IP forwarding in my router?

[metalguy90]

can anyone else provide some feedback?

i would really like to know. I have been reading lots into this, and i cant seem to find the right info.

[+BudMan MVC]

Um dude that D-Link DVG-1120 is a home Gateway device or router.. You really have NO use for 2 routers.. The DVG-1120 can plug right into your broadband modem..

You could just use the switch portion of your other router.. But currently your double natting.. ie your other router has a public IP address on its WAN, than the 10.x.x.x network on the lan side.. your VOIP gateway/router has a 10.x on its wan..

Your setup is more convoluted then it needs or should be.. I suggest you go over the documentations of your products -- here is a link to the manual for your 1120 ftp://ftp.dlink.com/VoIP/dvg1120M/Manual/..._manual_110.zip

From a quick look - you can set a manual IP on the WAN side of that 1120, change it to work in your 10 network.. And then you should be able to access its controls from this wan port.. You may need to enable that feature, etc.. RTFM

You really have NO need for the other router.. your VOIP router looks like it provides most all the functions you would need in a SOHO router.. What features of the other router are you looking for -- that your VOIP router does not already provide?

[metalguy90]

Hey Budman, ... thanks for the advice... i changed my lan to match the dlink voip router..... i use the voip solely for voip... not for any routing capabilities... my other router (which is a zoom x6 5590) is what is connected to the internet... then connects all my lan & wireless.....

so my configuration is as follows:

internet --> adsl wireless modem & router --> voip, PC, laptop, etc.

once again... thanks for the help!! :)