X10 in Bridge Mode

> Can someone tell me what do I give up or gain by setting my Netgear
> router to 'Bridge Mode.' [...]

 

   Why "Bridge Mode"?  What, exactly, does "Bridge Mode" mean to you?

 

   As usual, it might help if you explained the actual problem which you
are trying to solve, rather than asking how to implement some particular
"solution" (like, say, "setting my Netgear router to 'Bridge Mode'")
which may or may not make much sense.

 

> BTW, I am not using any device on Verizon's 2.5 and 5 ghz SSID
> connections.

 

   Why not?

 

> [...] Right now they are both set as routers, however the ip addresses
> I get for my connected devices are completely different from the normal
> 192.1.168.1 values. They are all 10.0.0.1 -* in range. I'm no longer
> comfortable with this arrangement. [...]

 

   Presumably, you meant "192.168.1.*", but, in any case, ...

   Yes, cascading multiple routers can do that.  The usual solution is
to configure one of the routers as something other than a full-function
router.  One way would to do that be to configure the (unspecified)
"(Verizon) Fios [...] Modem/Router (Quantum)" as a modem-only, leaving
the R9000 as your (only) router.  With approximately no information on
your mystery modem+router, I can't say whether that can be done.  Even
if you could do that, I don't know if that change would disable its TV
and/or voice capabilities.

 

   A second way would be to leave the mystery modem+router as your
(only) router, and configure the R9000 as a wireless access point.

 

   Visit http://netgear.com/support , put in your model number, and look
for Documentation.  Get the User Manual.  Read.  Look for "Use the
Router as a WiFi Access Point".

 

   That would disable some router features on the R9000, but you may not
care.  For details, see:

      https://kb.netgear.com/26765

 

   Knowing so little about your (unspecified) "(Verizon) Fios [...]
Modem/Router (Quantum)", I'd recommend the R9000-as-WAP scheme, which
should have little risk of disrupting your TV or voice service.  This
scheme should put all your client devices on the same subnet
("192.168.1.*"), and allow them all to communicate with each other
easily.

 

   Note that neither of these options involves putting the R9000 into
"bridge mode".  Configuring your mystery modem+router as a modem-only is
sometimes referred to putting _it_ into bridge mode.

 

   The R9000 has a bridge mode, but it's unrelated to what you're trying
to do.  For comparison, look for "Set Up the Router in Bridge Mode" in
its User Manual.  For a picture of that kind of arrangement, you could
fetch the User Manual for a different model, the R7000, and look for
"Set Up the Router in Bridge Mode" in _that_ User Manual.

 

> Putting your X10 in bridge mode removes this problem.

 

   Not really.

 

> [...] I guess I will make the change in the morning. [...]

 

   Making the right change might cause less pain (and fewer surprises).