Modem Settings
The modem's mode needs to be PPP is on the modem , enter your username and password.
The connection type should be set to Always attempt to connect
The modem has the option for a public or private IP address, use the private IP address option.
Restart the modem to save the changes
The modem's lan IP is 192.168.0.1 subnet mask 255.255.0.0 with no option for changing.
The modem's DHCP server has 1 private IP to serve and it's 192.168.1.64 subnet mask 255.255.0.0
NOTE: 192.168.1.64 is a private IP address that leads one to believe some NAT / NAPT is used. But this private IP address is open to the internet just like a public IP address is. The modem will perform NAT / NAPT on any other 192.168.X.X IP address.
Router Settings
The routers LAN IP address should be 192.168.2.1 subnet mask 255.255.255.0
You can choose your own lan IP scheme just avoid using 192.168.0.1 that's the modem's IP address.
The wan / internet port of the router should be set for DHCP and the DHCP address will be 192.168.1.64 subnet mask 255.255.255.0
If you want to avoid using the modem's DHCP server for the routers wan / internet port choose the static IP option and use the TCP/IP settings below:
192.168.1.64 for the IP address
255.255.0.0 for the subnet mask
192.168.0.1 for the default gateway
192.168.0.1 for DNS server
NOTE: The above TCP/IP settings can also be used if your computer cannot get a DHCP address from the modem
NOTE: Some Netgear routers will reassign the LAN IP address to 10.0.0.0/8 if there is a 192.168.1.0/24 IP address on the WAN port, and it overlaps any 192.168.0.0/16 IP address on the LAN. To avoid this, 192.168.2.0/24 should be the lowest IP address range used to avoid a Netgear router WAN port conflict. Provided by NormanS 
Explanation of why there is no access to the modem's GUI if a router initiates the PPPoE session. requested by Zappa2000
Think of the PPPoE session as a pipe, you put stuff in one end and it comes out the other end. If your router is doing the PPPoE it is one end of the pipe, the other end of the PPPoE pipe is at a att ASI Redback. Any attempt from your LAN to reach the modem's IP address emerge from the PPPoE pipe at the att end of the pipe. The modem never gets the request.
When the modem initiates the PPPoE session it can see and reply to requests to its IP address because the PPPoE session is created inside the modem.
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by wayjac
last modified: 2007-08-03 14:58:49 |
