ROUTING AND FORWARDING

[grayfox]

Hello everyone I recently became a ccna and currently working on my ccnp route exam, I'm setting up a dvr system in my home and I wanted to know if this is possible. I want to access the ip address within a subnet on port 8021 from the internet on the laptop connected to the dvr.

I have a dchp server program running on the pc that provides address for Ethernet port of the laptop to the Ethernet port of the dvr. I can connect to the linksys router on the opposite side of the house using the wireless card. and access the internet

1. This all has to be wireless
2. The dvr does not support wireless devices or drivers
3. I'm able to connect to the dvr and control the system currently with the remote dvr software
4. Running windows xp and using a free ware DHCP server program
5. The address give by the modem is DHCP but I don’t mind changing that

I’m thinking its possible with port forwarding and a more advance router, I don’t know what to do about the DHCP server running on the laptop and wireless card is getting a

ip address from the wireless routers.
image of the network setup: https://learningnetwork.cisco.com/servl ... etwork.JPG


Thanks for taking your time to read my post
thanks for your help

[Scott Morris]

Well, there's a couple of ways, and it just depends on how much pain you do or do not want to endure!

So let's start with the idea that I have a few DVRs in my house that I very much enjoy grabbing content from. Getting the IP access is really the easy part.

As long as you know the IP of your DVR, you can set up NAT in your router such that you can access it from the Internet. While DHCP may sound scary, since you are running your own server, there's really no reason that you'd keep changing IPs! Keep your lease time high, and it'll keep the iP as long as you dont' run out of addresses in your pool. (If you have THAT many devices in your house, you are scarier than I am! (grin))

So I can hit all my Tivo's from the Internet just fine... Some are on wireless, some on wired connections.

The larger problem tends to be bandwidth and protocols. I'm not sure what DVR you are using, but Tivo just has HTTP access which can be a little irritating, and when dealing with large files, isn't exactly "forgiving" for blips in connectivity. So I have access to a PC at the house (like your laptop you describe). VNC is great, but there are many other applications if your router/NAT isn't that forgiving of you... gotomypc.com is one option. There are others.

Either way, now you have access to the desktop of your PC. Download the content locally.... then either run your own FTP server, or work with something else like MobileMe's iDisk, or whatever other "cloud-based" storage out there to stash your files on so you can grab them whenever. It's another step in the equation, but depending on where you are grabbing things from, it's a stable option!

Have fun with your connections!


Scott

[grayfox]

thanks scott , I was thinking that myself thanks again for taking your time to answer my questions

[grayfox]

i"m going with vnc at the moment , until I figure out how to setup a nat server, I just see whats going on for the moment

[Scott Morris]

Any time. Glad to help!

May as well make your network work for you! And as long as it does what you want all the time, then that's the right design to use!


Scott