Two FiOS Routers on the Same Coax?
Just curious what would happen if you plug two Verizon FiOS routers on your home coax? If they have the default IP (192.168.1.1), it obviously won't work. But if one has a different IP, what would happen? Would each one get its own external IP?
I tried it using the older and the newer FiOS routers. The second router will never get an address from Verizon.
I use MI424WR routers all the time in client homes as MOCA bridges where they need an ethernet port but only have coax to the location. Really great if the TV or Bluray player needs ethernet for updates but it's a pain to run network cable. The dd-wrt and broadband reports forums have easy instructions on using Verizon Actiontec routers with other routers, as access points, as coax(MOCA) bridges(what I use them most for). There is a 100Mbit max that MOCA 1.0 can send over coax so if you get your internet over coax from the FIOS ONT you can max it out getting clever. I recommend everyone make the installer turn on the ethernet port to deliver your internet connection and make them pull the network wire to the router while it's free as part of the install. It's much easier for them to use coax but you are stuck using a Verizon router if you let them. The newer ones are much better but anything before Rev. F could not even handle a 35M internet connection without bottlenecks. New MOCA version allows faster ethernet over coax but all MOCA devices on the network must be compliant or you run at the speed of the slowest MOCA device.
And to answer your original question, only the router that was online when they provisioned your FIOS will get a connection to the outside unless you manually release the connection on the working router. It's locked to the MAC address unless it's released. I highly recommend changing the IP of any additional routers you wish to add to your network before plugging them into your live network and turning off the WAN connections on any MI424WR's you add back to your network to keep the fastest router as your internet gateway. Extra MI424WR's are fantastic for getting an ethernet port into places that have coax already but would suck to run a network cable. I'd rather run the network cable but sometimes it's not practical to open up a wall or such.
If you pull cable, pull extra runs as the labor is much more expensive than the wire and it's usually cheaper to have unused ports in the wall than to repaint and such if you have to add it later. It seems every new device now needs a network connection.
I forgot to mention that you need at least 1 MI424WR on your network just so the Set top boxes can talk back to Verizon. The STB's use the MI424WR to order On-demand, widgets, etc.. and if you replace the MI424WR as your internet gateway, you still need it to bridge the coax to ethernet for your STB's or you won't be able to do anything that requires sending signals upstream to Verizon. I like to install a PC running pFsense as the router/gateway as a used C2Duo PC can easily handle the fastest residential FIOS speeds and you can run Snort or other intrusion prevention software that most embedded routers can't handle without spending lots of money. All I needed was a used Core 2 duo PC with 2 ethernet ports and your set.
Thanks for the details tips. That gave me a lot of new ideas. Do you knoow if the MI424WR can act as a wireless bridge?
You would have to google it as I am sure people have made the attempt. I have found that it's cheaper to get a router that has firmware made to do it and don't waste the time on a MI424WR. There are much better wireless devices out there and the Actiontec's do not have a good reputation for wireless use. They are very much outdated by the time they are available as extra routers no matter what revision you wish to discuss. I have upgraded the PCI wireless cards in some MI424WR's and installed DD-WRT but then you lose the MOCA functions. Unfortunately, the MI424WR does not have the CPU power to service a 35Mb+ internet connection unless it's at least a gen 2 model. They are not fast routers and the only thing that makes them valuable is the MOCA bridge you must have for STB's to communicate upstream over COAX to Verizon for on-demand and such. The newest non-Actiontec 802.11n routers can bond 3 N connections with MIMO to yield a 450Mb connection(MIMO requires 1 antenna for each bonded connection so look for routers with more antennas). You can even get routers with multiple radios that can actually be a wireless bridge at full connection speeds by using 1 dedicated radio for the upstream and the second for downstream. You need to decide how much speed you need to decide on the right wireless bridge. A cheap 802.11n router like the monoprice.com Product ID: 8070 starts at 24.49 and can do 300Mbps MIMO, WISP and WPS. It's only 2.4Ghz(single radio) and not dual band(2.4/5.8Ghz) but it's cheap. Right out of the box, you can use it as a wireless repeater. The most you are going to get is the fastest your AP can stream to your wireless bridge. Any wireless clients on the bridged side will have to share the radio as it will also be transmitting to the upstream AP and thus consuming radio bandwidth. Another use for old MI424WR's is as AP's for older wireless devices since they tend to have older wireless capabilities like 802.11g or draft n and only the newest have real 802.11n with multiple antennas for MIMO. When I had both g and n devices in my house, I had AP's for each on different channels so the older devices did not consume radio time on my faster AP's.
add the second moca device as LAN only
there are more connectivity options than described at DSLreports
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Title: Change the LAN IP of the Actiontec MI424WR FiOS Modem/Router
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