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Port mapping, UPnP, and DMZ are all in place, but the external network still cannot connect to the NAS and camera at home. The problem is probably hidden in the optical modem firewall layer. This article explains the two paths of Huawei HS8145V5 and ZTE F7015T, how to choose the firewall level, and why you need to go back to the router for retesting after making the changes. ...

The wireless security or encryption mode drop-down box in the backend of Telecom Optical Mode often defaults to WPA/WPA2 mixed. The inability of older devices to connect is probably related to it. This article explains how to change the frequency bands of 2.4G and 5G respectively, how to choose between WPA2 and hybrid mode, and how to reconnect all the devices after changing them. ...

After using the optical modem for a long time, it either disconnects from the network or the PON light jumps randomly. After my Huawei HS8145V5 automatically restarts at 4 a.m. every Wednesday, I have never been blinded during the morning rush hour. This article makes it clear 192.168.2.1 The timed restart entrance in the background, the difference between time and WiFi timer switches, and three pitfalls that are easy to overturn. ...

The IP of the printer and NAS changed as soon as I restarted it. I found the static address allocation in the Tianyi gateway and tied the device MAC to the fixed IP before it stopped. This article makes it clear 192.168.2.1 How to save the background entrance and address pool, and why the random MAC of the mobile phone must be turned off. ...

Changing the telecom optical modem to bridge connection is not just a click.: First take telecomadmin, take a photo of the entire page of the WAN connection table, look for the INTERNET one and change it to Bridge, bind only LAN1, and then fill in PPPoE on the router. I went through the two sets of menus of Huawei HS8145V5 and ZTE F7015T, and wrote down the order of troubleshooting when dialing failed, and the two accounts of IPTV and ITMS. ...

My cousin's child secretly played on her phone late at night. She thought turning off the fiber modem and WiFi would be enough, but the network cable and computer were still online. I went to 192.168.2.1 and set the WiFi timer to disconnect at 23:00 from Sunday to Thursday and restore at 6:30, so the mobile app can also be temporarily activated. This article explains the two paths of the webpage and app and the old pitfalls before the phone upgrade. ...

Most of the UPnP entry points for the Telecom optical modem are hidden in the 192.168.2.1 app menu, often not visible by useradmin, and some Tianyi Gateway 4.0 still require telecomadmin first. I used both optical modem dialing and optical modem bridging methods, and sorted out the order of checking for NAT3 when enabled, and download speeds with no speed. Also, make sure it and DMZ shouldn't be open at the same time. ...

The ChinaNet WiFi at my cousin’s house is fine during the day, but it spins around when I’m watching videos after 8pm. I took a look at the WiFi analysis app. The optical modem 2.4G automatically selected channel 11, and it was crowded with four or five neighbors. Enter 192.168.2.1 Change automatic to manual and set it to the emptiest 6, and it will stop jamming during the evening rush hour. This article explains the paths and channel selection tips for several common models of Tianyi gateways. ...

After finishing that graphics post, I had been quiet for two months, but my mom's set-top box was lagging again: it took several seconds to enter the channel list, and installing apps kept showing insufficient storage space. Checking the backend, I saw that 8GB of storage was only about 300 MB left, completely eaten up by two Dou Dizhu players and a bunch of cache. Four steps to clear the system and see immediate results. Don't rush to restore the factory just yet—if you lose your business authentication account, you'll have to run to the service center....

When I got home and watched my mom's dramas, the actors' faces on TV were all stretched horizontally, and the images looked blurry as if covered with a veil. Turns out, it's not broadband: the set-top box's aspect ratio is stuck at 4:3, output resolution is still standard definition 576i, channel number has been stuck in the wrong segment for two years. I adjusted each of the three places, and the characters were correct and the TV was clear. My mom thought I had switched to a new TV....