[PLUG] Frontier FiOS Installation

Russell Johnson russ at dimstar.net
Fri Jul 20 20:23:45 UTC 2018


I've had FiOS since before Verizon sold them. They set mine up slightly differently.

The OTN converts to coax, and that is converted to ethernet with a transceiver inside the house. That transceiver has a very small amount of memory. If you have a larger than average number of devices for a household, the NAT table will overrun its buffer, causing the transceiver to fail. Rebooting brings it back, until the buffer fills again. 

My fix was to put the transceiver in passthrough and use a router between it and rest of my network. This works, but I have an extra device and an extra translation of the signal. 

Oh, and Verizon/Frontier support, both of them, told me the transceiver could not be put in passthrough mode. 

On 7/20/18, 11:33, "Jim Garrison" <plug-bounces at pdxlinux.org on behalf of jhg at jhmg.net> wrote:

    Back in April I asked the following question:
    
    > I'm considering dumping Comcast and going with Frontier FiOS.
    > I have a couple of questions for anyone who's using FiOS in the
    > Hillsboro, OR area.
    >
    > 1) Do they bring fiber all the way to the modem or is there
    >    an interface outside that converts to coax for the internal
    >    connections?
    >
    > 2) Can you run the modem in bridge mode? I have my own Linux
    >    iptables-based firewall/router and my own wireless AP
    >    and would prefer that the modem be a passive device.
    >    While Comcast doesn't "officially" support bridge mode they
    >    allow full access to the modem config and it works fine
    >    in bridge mode.
    
    I got a couple of answers that were somewhat helpful. I just
    completed this transition and thought I'd share the outcome.
    
    The answer to the first question is, as both respondents noted,
    that they terminate the fiber at an OTN box outside the house.
    The OTN has two outputs, a twisted pair phone line that hooks
    directly to the house phone wiring, and ethernet that provides
    a "raw" IP connection.
    
    In other words, you don't actually need a modem, you already
    get ethernet direct to the Internet.  So if, like me, you
    have your own local network with a Linux firewall/router,
    the second question is moot.  There's no device between you
    and the Internet, as there is with cable.  To be pedantic,
    the device is the OTN but it doesn't do routing, filtering,
    proxying or anything else, it only converts from optical to
    copper.
    
    I'm getting the 150mbps download AND UPLOAD speeds promised
    (25x Comcast upload speed) so for now I'm a happy camper :-)
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