If there is only one router in the network, then you just need to do STEP 3.
But if it finds 2 Routers, and the connection looks like this:
Then you need to complete two steps.
First you want to proceed to STEP 3 to forward the ports to the IP address of Router 1.
And then you need to enable DMZ For Router 2. So the connection will pass through this router and go to the router the DVR is attached to. Follow the instructions in STEP 4.
STEP 3: DOWNLOAD SIMPLE PORT FORWARDING PROGRAM
Download Simple Port Forwarding program from the link below:
http://www.simpleportforwarding.com/download
Click on Download on Mirror 7, Download and install this program
Once the program is installed, go to Start - Programs and look for Simple Port Forwarding and click it.