How does one configure an ADSL modem cum router for use with a TATA Wimax connection (static IP)

#1
Hi,I am wondering how does one configure an ADSL router cum modem with a Wimax connection with a static IP address?The model is Linksys WAG 120N. It has one DSL port and 4 ethernet ports.The TATA wimax connection gives me one Ethernet connection from the POE.I want to use the router as a wifi DHCP server for my laptop and also for a cabled connection to my desktop.Any help is appreciated.Thanks.
 

mgcarley

Founder, Hayai Broadband
Regulars
#2
That depends: if the WiMax connection needs to be dialed up, then it might be a bit difficult, since the device is designed to dial out (PPPoA or PPPoE) using the WAN port, not any of the LAN ports.

If the WiMax is "always on" and just uses MAC authentication, then in theory, all you should need to do is plug the device in, set the LAN settings as normal (DHCP pool 192.168.x.x, subnet mask 255.255.255.0 and the default gateway set to whatever IP address is that you've been given), but whether or not this works correctly is really a big maybe.

Linksys by Cisco - WAG120N Support or Library Search may be of some help.
 
#3
Thanks for your quick reply. It's an 'always on' connection with a static ip. So, I need to get the Mac address of the Wimax modem from the ISP ? Sounds simple enough and worth a try .. Will let u know how it goes
 

mgcarley

Founder, Hayai Broadband
Regulars
#4
Thanks for your quick reply. It's an 'always on' connection with a
static ip. So, I need to get the Mac address of the Wimax modem from the ISP ?

Sounds simple enough and worth a try .. Will let u know how it goes

Duly noted.

You don't need to get the MAC address or anything from the ISP - under normal circumstances, the ISP authenticates against your computer's MAC ID when you plug your computer in, so presumably when you put the router there instead of your computer, the ISP will assume that the router is a computer and so long as it stays connected, then anything that connects to your router will be able to use the connection.

You will however, need to configure the IP in the router's settings in the same way that you do on your PC.

How and whether it eventually ends up working remains to be seen, because most consumer routers aren't that intelligent: the router might try to send traffic to it's WAN port (that is, the ADSL port), because that's what it's designed to do - only to find that there is no ADSL connection - and if it does that and fails to see the internet connection as being available on one of it's LAN ports, then this configuration may not work.

The best you can do for now is try it out and see how it goes: the main thing I think you will need to do is to put your static IP in the "default gateway" field of the DHCP settings.
 



#5
Cool, will try it out tonight. Any idea what to do with other settings like 'bridge mode', 'pppoe' 'static ip address ' in the 'interface -->internet settings' of router etc? Or do I leave that blank?
 

mgcarley

Founder, Hayai Broadband
Regulars
#6
Cool, will try it out tonight. Any idea what to do with other settings like 'bridge mode', 'pppoe' 'static ip address ' in the 'interface -->internet settings' of router etc? Or do I leave that blank?

These would be if you had an ADSL connection connected to the device, which you don't, so I suspect you don't need to touch these at all.
 
#7
Tried it... Didn't work :(The dhcp server settings only allow to enter the dns servers, which I did. The dhcp clients automatically take the dhcp server ip address as the default gateway. My settings- static ip = 121.245.x.ySubnet = 255.255.255.240gateway = 121.245.245.zDhcp server :Local ip=192.168.1.1start ip= 192.168.1.45end ip= 192.168.1.100dns server settings Dns server =172.a.b.cThere is no place to enter gateway for dhcp server !!The above dns server setting gets transmitted to the clientsSo the clients look like192.168.1.46 with gateway as 192.168.1.1 and dns server =172.a.b.cAnyway looks like I will need to get a standard router with an Ethernet port for Internet instead of dsl port and 4 Ethernet ports for LANWas worth a try though :)