The EPC3825 is not a Small Business product. Usually all Cisco cable modems are supported exclusively by the ISP. Please contact your ISP and ask them if the modem has the latest firmware. Usually they push a new firmware within a week or two of installation. That may correct the issue.
Note that the firmware is customized for/by the ISP so the device will work properly on their network.
Try using a different browser to make the changes. I have seen some unusual behavior with some devices where a setting is changed and it does not "stick". Using an alternate web browser corrects this.
You can also see if you have the ability to disable the SSID(s) individually. I remember a router having a problem where the radio itself could not be disabled but the SSID(s) could and that was a good workaround.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...