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Forum Discussion
LB2120 DDNS client
I am implementing the LB2120 in the ROUTER mode and am connecting the Verizon modem directly to the input and run everything on the network created by the LB2120. I have a wireless repeater for all t...
Sorry for the dely . . . Life got in the way.
Still haven't figured it out.
I'm on Verizon with a Actiontec MI424WR Rev. 1 Modem
There is one WAN port
But my limited knowledge is keeping from figuring this all out.
Many of my devices are crashing through the LB2120 and into the Verizon Modem.
Others devices are not.
I don't really understand why some work and others don't and what to do about it.
It has both a WAN CoAx and WAN Ethernet connection.
Is that "two WAN ports"?
Do I connect the LB2120 to the Ethernet WAN port and my Intranet devices to the LAN Ethernet ports?
Or to the LB2120 ports?
If so, how do I reach devices on my Intranet and how do things inside the Intrnet connect to devices on the WAN Internet?
I'm sure someone is shaking their head at my stupidity. Just trying to understand.
S.
One of the things I have discovered using ping traceroute regarding the LB2120 is that the AT&T network does not use conventional back-bone system that you may observe with a tranditional HSI provider (i.e. Comcast, Charter, etc). The LB2120 will be assigned an IPv4 address, however, it appears to route through AT&T's own private network before getting to the internet backbone. So even if DDNS is implemented on the LB2120, the assigned IPv4 address will not be vissible on the internet backbone.
Even if we went with IPv6 addressing, it is not clear if the AT&T routers/gateways would block external access to the LB2120.
In short: I think implementing DDNS on the LB2120 may be more involved that just implementing some software on the LB2120. It may require coordination with the cell-phone providers.
NOTE: This is MY observation working in the South Bay Area of California.