networking help

firehawk

firehawk

firehawk

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Joined
28 Apr 2012
Posts
800
hello. sorry for posting here - not sure where else to post as there isnt quite the category for what I am wanting to ask.

I have 2 routers.

1) cable modem from virgin. It's a netgear one. not mine either (in a temp accomdation with a friend so it is his and dont want to mess around with it)
2) my own cisco E4200.

I have DHCP enabled on both. Cable modem gives 192.168.x.x IP and my cisco gives 10.0.x.x IP. Both same subnet. The cisco one is using a static IP which is reserved on the cable modem:

192.168.0.10

I need to do some networking stuff/computer, laptops and VM configuration which is why I am using my own router.

This is the settings I have currently for the cisco router, which currently works and accesses the internet no problem:

Static IP: 192.168.0.10
subnet: 255.255.255.0
default gateway: 192.168.0.1
dns1: 192.168.4.100
dns2: 192.168.8.100

Great.

here is the problem:

dyndns is NOT supported on the netgear router. My cisco one does. I put in all the details and it does update it however it updates it with the internal IP given, not external. So it means I cannot RDP to my computer, which is wired into my cisco router.

Also, when I run the slingplayer internally on the network, seems to go out to the internet then back in again, unless I connect directly to the virgin media router in which case, it all works the way it should (streaming internally)

any ideas how I can fix this or if it is possible?
 
crap. thanks. I actually did post there for something similar but got no response - this was something I thought would not be covered in that area.

sorry!!! :(
 
You should set the Virgin (I'm guessing superhub) into modem mode. then the Cisco will get the External IP.
 
would that mean it would switch its DHCP and wireless off?
from research it seems to do so which isnt good. I also have a slingbox connected to it.... and that means it would disable that port (the other "active" port is connected to the netgear powerline adapter)
 
seems like its not possible to do what I want.
I also tried disabling DHCP on the cisco router, with the static IP still in place and the computer connected to it didnt get an IP from the virgin media router.... odd.
 
how does that work and what is it? how do I set it up?

I got the slingbox to work internally now - had to add an internal IP to the list, which isn't much of a problem but a pain.

the RDP I also got to work but using the client updater and didn't want to do that.

I disabled DHCP on the cisco router but still give it a static IP to access the other router, but when I did that, any machine(s) connected to the cisco wouldn't get an IP from the other router/modem - not sure why.
 
On the virgin router you need to forward the port used for your remote access to Static IP: 192.168.0.10, then on the cisco forward that to your PCs IP address. Its a double nat but the data should get through (it's a similar setup to mine at home).

Dyndns even with your setup should find your public IP Address, at least No-IP does for me.
 
I did that (port forwarding) and works internally, just not externally.
the cisco router has the static IP (192.168.0.10)
but when using ddns on the router, the ip it reports is 192.168.0.10 instead of the real public ip
 
That's presumably because it is reporting it's WAN IP from the VM router rather than the actual external IP. The dyndns needs to be setup on the VM router rather than the Cisco one.
 
I'm guessing the Cisco is in another location in the house then? If you are using it for RDP then the PC will be on so just use the Windows client for DynDNS.

If the Superhub & Cisco are in the same room I would go with the what I originally said and plug everything into that (and use the Cisco's wireless instead.
 
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