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77 posts

Master Geek


# 111677 11-Nov-2012 13:54
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hello guys.

I need your help.

I had two cisco routers, one is an average router that needs DSL connected to it and another is an add-on like model that needs ethernet connected to it.

the second model is there so I could have wifi.

so this is what it looks like.




ignore the ip addresses i just got the pic from google lol.


when i was with telecom, everything was nice.

after i got connected to slingshot, the internet was going on and off and on and off constantly.

like every 25 seconds, it wasnt down for that long too, for like a sec or two.

so i tried to get into my router from my pc, and it says router 1, and i refreshed after few seconds, and it tells me im in router 2.

so i figured, why is my computer switching back and forth between the two routers??

so i rang slingshot and they told me i should use the modem they provided me with, as they know nothing about cisco.

then i connected the dlink modem from my isp to my pc. took like 15 mins (why?) but internet worked.

i plugged it out, and connected it to router 2.

wifi works, but pc doesnt.

wtf is this!?!?!?

i rang slingshot again, and they cant help with my network as they arent trained for cisco routers, but says the dlink modem seems to be faulty, and therefore will send me a new one for free.

i doubt that will solve the problem.


shouldn't my original setup work as it is?

it WAS working fine when I was with telecom..

sorry for a huge post... and thanks in advance guys <3

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28571 posts

Uber Geek

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Biddle Corp
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  # 715452 11-Nov-2012 14:35
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Based upon your brief summary it sounds like you've got a horribly complex network setup that obviously has double or triple NAT occuring. It's not surprising things aren't working.

You're going to need to explain in a lot more detail your exact setup including brands of hardware and the IP address ranges you're using on each.

2081 posts

Uber Geek

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  # 715453 11-Nov-2012 14:41
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If we ignore IP addresses as you instruct us to, you will likely never get connected!

The Telecom modem probably has an IP of 192.168.1.254 but DLink are usually 10.1.1.1. (different subnets).

You need to work from the modem IP address and work towards your PC. And, like sbiddle says, you must make sure only one device has DHCP active.

 
 
 
 




77 posts

Master Geek


  # 715461 11-Nov-2012 15:27
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ok, i will try to explain this as clearly as possible.

i have a dlink modem that only has 1 port.
i also have a cisco router that has an internet (ethernet) port and 4 more ports for devices to be connected.

if i connect my dlink modem directly to my pc, the internet works.

but i want to set wifi at my house, so i unplugged the ethernet cable, and made it look like this.

Wall (dsl) -> Dlink(Modem) -> Cisco(Wireless router)

I checked that Dlink modem is faulty (slow response) but still can use the internet.

my cisco router (E2000) is a model that doest not have a dsl port. so needs to be feeded with a cable that flows internet (thus, dlink to cisco)



how do i make my dlink modem not act as an independent router, but just as a dsl cable that feeds internet to my cisco device??


FIXED: sorry, the modeme wasn't dlink, it was dynalink RTA1320V6


4300 posts

Uber Geek

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  # 715462 11-Nov-2012 15:32
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Right, so your title that the "internet is DOWN" is 100% wrong. Your first bit of troubleshooting shows that when you connect your PC to the ADSL router (Dynalink) then you can use the Internet.

So, Slingshot working ok, Dynalink ADSL router working ok, your PC working ok (at least on LAN connection)

Depending on how highly you value your time, spending a few buck on a single device to do everything you want will be easiest.

http://www.dicksmith.co.nz/product/XH3386/n150-wireless-adsl2-modem-router

$100. Done.

Cheers - N






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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.




77 posts

Master Geek


  # 715463 11-Nov-2012 15:34
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Talkiet: Right, so your title that the "internet is DOWN" is 100% wrong. Your first bit of troubleshooting shows that when you connect your PC to the ADSL router (Dynalink) then you can use the Internet.

So, Slingshot working ok, Dynalink ADSL router working ok, your PC working ok (at least on LAN connection)

Depending on how highly you value your time, spending a few buck on a single device to do everything you want will be easiest.

http://www.dicksmith.co.nz/product/XH3386/n150-wireless-adsl2-modem-router

$100. Done.

Cheers - N





true, but to be fair, the whole network system was working fine until i changed to slingshot..
maybe it was a temporary server down and i screwed up my network setup thinking it was my routers' fault.

darn

4323 posts

Uber Geek


  # 715477 11-Nov-2012 16:26
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Your dynalink will be able to do half bridge.

Go to where you set up the internet connection and when going through the wizard tick the 'IP extension' (or something similar) box.
It will turn off NAT (and other services) in the modem and send your WAN IP to the cisco. In the cisco set the WAN connection to obtain an address by DHCP and you will be sweet.

2413 posts

Uber Geek

Lifetime subscriber

  # 715518 11-Nov-2012 19:51
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gogokr431:


true, but to be fair, the whole network system was working fine until i changed to slingshot..
maybe it was a temporary server down and i screwed up my network setup thinking it was my routers' fault.

darn


Why do you exclude any IP address information when that will provide the insight into solving your problem??




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