TM has gradually started migrating some customers from public IPs to private IPs, as part of a move to increase security. If you use public IPv4 IPs, you may find yourself affected soon as you will be shifted to private IP.
The network provider says that it’s implementing Carrier-Grade NAT (CGNAT) for security purposes so that bad actors won’t be able to identify public IPv4 addresses assigned to customers. This migration could also be a way for TM to deal with the issue of IPv4 address exhaustion.
TM’s FAQ, found on the Unifi Community Forum, says that this implementation will only be done for customers on Unifi 30Mbps, 50Mbps, and 100Mbps customers, so customers subscribed to higher speed plans can breathe a sigh of relief. Moreover, it will only affect customers with a dynamic IP so individuals and businesses with a static IP address will be spared.
For users who will be inevitably be involved in this exercise, TM lists some of the services that may be affected, including non-cloud-based CCTVs, server hosting services, and online multiplayer games hosted by the customer. The migration will be implemented in stages, which apparently began in mid-September 2021, with expectations for the exercise to be completed in January 2022.
For those who have a file-sharing service, FTP, or NAS that uses a public IP, be aware that the exercise will be run between 2 to 4 AM and those affected may experience a brief downtime lasting anywhere between two to five minutes. If you’re worried about whether you might have to configure the IP to access your devices, TM advises customers to check with the device manufacturer for further clarifications.
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