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Transcript

Networking Guide: Part 1 – Basic Network Information

Today I’m going to be giving you a brief overview of some of the information we gather while doing port forwarding task for our various DVR’s and IP cameras and why we need to catch all that information.

I’m going to open the internet and browse to the support site. Our support site is support.apexcctv.com on the left you’ll see a link called downloads click on that. On the downloads page, find the 6th link which should be generic networking guide. It covers basic concepts related to the CCTV industry and networking and port forwarding. It’s an excellent general resource if you need a background in port forwarding and some of the pitfalls to avoid. Click the download link which will give you the guide. We are going to go over one page of the guide today if you go to the table of contents and go to information gathering checklist.

This is a page you can download and print out just this page and fill it out by hand at the customers address. This is just a checklist to ensure you have everything you need before you begin. I’m just going to touch on each of these briefly and then cover how to find this information in separate videos. The first one you have is the routers internal IP address. This is critical to have because you need it to log in to your router and do configuration and port forwarding.

Your routers public IP address this is something that your customers will browse to and have their port forwarded to their DVR or camera or whatever device you are port forwarding to , but they do need a public IP address to reach those devices on. Your routers username and password, this is self-explanatory you need these to login to your router and make configuration changes. Your networks DHCP range this is critical because you want to set a static IP address for any device that has a port forwarded to it. Its critical to know your DHCP range because if you use a static address inside theDHCP range you’re going to wind up eventually with a IP address conflict that will cause both your device you have port forwarded to and also any other device that has acquired the IP address to fail. This is found inside your router and we’ll go through manually and show you how to find it so make sure you know what it is and have this.

DNS server addresses so that your device can resolve names like google.com into IP addresses. You will almost certainly need to configure at least one DNS server on your device. Your networks subnet mask this has to match the rest of your network so that your device can communicate with other devices you have running locally.

You need to pick an IP address for your product, there are two rules here first it needs to be an IP address that isn’t occupied by anything else, which you can test by pinging that IP address, and it needs to be outside your DHCP range. Again we’ll have a separate video covering selecting a proper IP address.

If your product requires a username and password to log into it, which it almost certainly will, you need to have that information available. Any existing forwarding ports or NAT entries from your router these are critical if you are at a customer’s location, particularly if they are doing credit card processing will almost certainly have ports forwarded well if you conflict with these ports you’ll make a nightmare for both yourself and your customer and you’ll be In a really critical situation that needs to be resolved as soon as possible best to know what they are in advance and to use alternates if they conflict with the ports you want to use.

Finally the default ports that your products use some default ports should be port 80 for the web, port 25 for FTP most of our DVR and IP cameras are going to use port 80 for our built in webserver. Port 5000 5550 6550 4550 these are very commonly used ports for surveillance devices. You’ll need to know which of those, if any, your product uses. Thats it for our brief over view. There’s going to be an entire series of videos going over this information in detail.

In the meantime know if you can gather all this information on this one page and know what to do with it and what it all means you should be well equipped to finish up your network configuration task. Thank you and have a great day!