I don't really even know what a subnet is, but I need to get a network IP camera to work with Verizon's National Broadband service which uses dynamic IPs on the interface ppp0.

The D-Link WBR-1310 wireless router is set to use DHCP. (don't know what that is either) with a default gateway of 192.168.0.1 (don't know what that is either). The IP address of the camera is 192.168.0.102. The IP address of the computer (eth0?) is 192.168.0.101. When I'm using my laptop, the IP address is 192.168.0.100.

Now, I want to use BOTH the internet, UM175 wireless modem connected to a USB port, AND the IP camera connected to LAN1 of the WBR-1310 which is connected into the ethernet port of the PC (eth0).

With the current configuration, I can use the wireless modem, UM175, connected to the ppp0 interface and the internet works fine, but I have no clue how to route the IP camera and use it while accessing the Internet with the wireless modem. Beyond my ignorance of networking, I assume the major problem is probably routing and or DNS configuration.

Hopefully, somebody can help in a very precise and concise manner. BTW, I'm using a Slackware clone.

For example, when connected to the Internet with the UM175 modem (dynamic IP):

66.174.201.xxx dev ppp0 proto kernel scope link src 70.193.63.xxx
127.0.0.0/8 dev lo scope link
default dev ppp0 scope link

Now, the IP camera will be on 192.168.0.102 which is a different gateway, i.e. 192.168.0.1, from the default gateway of the UM175 modem.

I got the Vilar IPC-1002 camera working for awhile with motion. I absolutely love this IP PTZ camera for its price. The IR capability is good (actually too strong within 6 feet without some background lighting), the fish-eye image (wide angle) is good also. Sweet. I still have the networking problems, though. I'll keep this bumped for an eternity which is probably how long it will take me to learn networking.

BTW, within motion.conf (www.sf.net/projects/motion), set netcam_url to http://Camera_IP/cgi-bin/sf.cgi .... and be sure to set the netcam_userpass STRING also if needed. Also, set the default v4l2_palette to 2 (MJPEG).

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Routing and DHCP configuration were part of the problem, but I still have to manually add a route for ppp0 (UM175) to function, e.g.:

route add default ppp0

I also disabled the WBR1310's DHCP option and manually configured all devices attached to the router which mitigated unnecessary complexity. Furthermore, I automatically start x11vnc which has helped to prevent Verizon from automatically disconnecting the link and thereby mucking up my configuration. As a bonus, I can use my Palm to control my desktop. Although, the networking is still a mess, it's better and much more stable.