The dsl line is connected to dsl on the 2100. If the reset button is held in for 10 seconds or more the power light will turn amber indicating the modem will be set to factory default settings. To restore a FireboxV or XTMv VM (virtual machine), you must run the Fireware CLI restore factory-default command . Remote GUI Remote GUI enables access into the router from a WAN connection. To access your modem remotely you will need to use https:// followed by the modem IP. Now, instead of the cable modem, I have a CenturyLink Technicolor C2100T that functions as both a modem and a router (2.4 ghz and 5 ghz channels). Unfortunately, I cannot put the C2100T into bridge mode to function only as a modem because I also have TV service through CenturyLink, and bridge mode would disable that data stream. Restore Default Settings: Restore Default Settings provides 4 restore points for your modem. The ONT and C2100T are both in the basement but I at least have them mounted up in the joists above the foundation. To restore factory defaults, press and hold the indented Reset button for more than 10 seconds or until the front panel LED flashes. I have the following connected via Ethernet directly to the C2100T: switch (NETGEAR ProSAFE JGS524NA 24-Port Gigabit Rackmount Switch 10/100/1000 Mbps (JGS524NA)), our main smart TV, & security cameras (Netgear/Arlo cameras). You may want to try a full modem reset, which returns the modem to its original (factory default) settings. Or you can check for firmware updates, as outdated firmware can also cause performance issues. For more information, see Reset FireboxV or XTMv to Factory-Default Settings . This process will wipe the existing credentials, restoring them to default. Factory resets result in the loss of all settings. Also, you need to re-enter any configuration settings that were in place before the reset. For some authentication issues, you may find it's necessary to factory reset the router. He then tried to factory reset it which didn't even fully reset the settings so it wouldn't work how they normally set it up either and he ended up just swapping it with another C2100T and setting it up as normal and left me to play with it to get bridge mode to work. ISP Username/Password; Comcast XFinity: Via Xfinity Router Admin Tool: You can review the below chart for specific factory reset processes. MoCA LIGHT - When the solid white light above the coaxial input is on, MoCA is enabled and allows for connections to specific cable receivers. I have gone into the 2100 and set to transparent bridging Untagged. Once the router is reset, you may enter the setup screen and change the password to whatever you prefer. I have (now) freshly reset to factory settings a C2100t modem/router from Century Link and a freshly reset to factory nighthawk D7000. In the event you did not back up your files prior to running a factory reset, a prompt might display to make a backup copy of your files before it performs any action that might erase or delete any files. This action restores all default settings, allowing you to use the factory default username and password. An Ethernet cord is connected from port 1 On the 2100 to the internet port on the d7000. Modem DSL1 and 2 Lights The table below details the different states of the DSL light. If restore modem to factory default is selected, the modem will be restored to the original configuration provided by CenturyLink. Factory resetting your computer can destroy all the files on the hard drive.