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To determine whether the optical modem is bridging or routing mode, don't rush to change—first look at these three aspects
Whether the optical modem is in bridge or routing mode directly determines whether the router fills in PPPoE or dynamic IP. When I added a router to my cousin's house, I first looked at the router's WAN port IP, then entered the optical modem WAN connection table to identify the Route and Bridge. Finally, I plugged in the network cable and tried it once, and the decision was finalized with three tricks. This article makes it clear 192.168.1.1 and 192.168.2.1 There are two sets of backstage entrances, with the exception of the half-bridge. ...
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Before switching to the modem, make sure to note the parameters and make sure not to miss VLANs or voice beyond LOID
I just copied the LOID and changed to Shin Kong Cat, and the registration card was at 40%. This article explains by Telecom, China Unicom and China Mobile which parameters should be copied from the old mode backend and stickers before replacing the modem. VLAN, voice and SN are the three most easily leaked. If anything is missed, you may not be able to access the Internet. ...
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After switching to the optical modem bridge, ChinaNet is fully charged but still can't access the internet—it's not broken
After I changed the Huawei HS8145V5 at home to a bridge connection, the ChinaNet on the optical modem was still full, but the mobile phone could not connect to the Internet. This is not broken, but the bridge only hands the dialing to the router, and the optical modem WiFi no longer does NAT forwarding. This article explains the judgment method, WiFi path and three exceptions. ...
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After the optical modem bridges, the router's dial fails; if the computer connects directly to the optical modem, you can tell who's to blame with just one tap
After the router was changed to a bridge, dial-up always failed. I first used a network cable to plug the computer directly into the optical modem and did a PPPoE dial-up test to find out whether it was a problem with the optical modem line or the router settings. This article explains clearly how to set up the wiring port and computer dial-up, and who the two error codes 691 and 651 point to. ...
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If the optical modem USB port doesn't respond and the USB drive doesn't respond, that's not a fault. Huawei and ZTE have even tried the backend
The USB port on the back of the optical modem is not a decoration, but it doesn’t mean it can be used just by plugging it in. I tried Huawei HS8145V, HS8145C5 and ZTE F663NV3a one by one.: FAT32 U disk can be shared, directly accessed by Windows, and old printers can be converted into network printing. ; exFAT, bridge mode, carrier lock function, it is normal if there is no response when plugged in. This article explains the two backend paths and three pitfalls thoroughly. ...
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If you forget the password for CMCC hotspot, you can change it in the backend of the China Mobile optical modem or the China Mobile Aijia platform
How to change the WiFi password of Mobile optical modem? If you forget the hotspot password that begins with CMCC at home, don’t reset it yet. Ordinary account user login 192.168.1.1 , touched all the Huawei and ZTE menus ; If the backend is grayed out, just change it to the Mobile Aijia App. You can change it even if you are outside. Dual-band, reconnection, and being pushed back by RMS the next day, this article will explain it all at once. ...
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Before switching to optical modem bridging, first distinguish between the TR069 and the INTERNET connection
The row of connections in the backend of optical modem is not four network cables, but four passes for broadband, remote management, IPTV and landline. What really needs to be changed when changing the bridge is the INTERNET, not deleting the entire page. ; This article explains the pitfalls that I helped three optical modem step through, how to recognize four connections, and how to save them after deleting them. ...
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Xiaoyi Butler, China Mobile's Love Home, China Unicom Smart Home—the difference isn't in functional binding
Helping my cousin, childhood friend, and colleagues manage broadband, and my phone is fully equipped with the optical modem apps from Telecom, Mobile, and Unicom. The things you can do are pretty much the same; the difference lies in the binding stage: the fastest is ten seconds, the most troublesome is the whole afternoon. After modifying the optical modem bridge, they collectively became half-blind. This article explains the temperaments of all three brands at once....
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ITMS and TR-069, as well as the optical modem's midnight modifications, are the operator's hands
Unicom super admin passwords change overnight, fixed bridges restored overnight, new devices can't connect no matter what—all under the same hand behind the scenes: operators remotely manage your optical modem via the TR-069 protocol, telecom calls it ITMS, China Mobile calls it RMS. This article takes this hand apart to see what it can change, how to catch the current one, and whether to close it....
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The optical modem (LOID) is your broadband ID card. At the registration stage, check the code first
The light-changing modem technician immediately asks how much LOID is, and where to find the sticker if it's smudged? This code is the ID card issued by the ISP to your broadband, and it works with broadband, not with the machine. The difference between SN and LOID, what the data center is doing during registration, and where to retrieve lost data from the optical modem backend—all explained in one go....

