Just wanted to share my experience with the most recent beta firmware upgrade.
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I began the process on Sunday morning (04/10). The beta firmware upgrade went without any problems (followed recommended procedure for firmware upgrade - DID NOT use the SETUP WIZARD). I ENABLED SC, which is something I DID NOT use with any previous FIRMWARE versions. After about 30 minutes, I began to experience issues with IP Reservations and Editing / Renaming Devices (see next paragraph for details). I have several devices connected to my home network (not all at one time), both wired and wireless. Not all devices are assigned IP reservations, and some devices are set to "static" IP addresses. In all, I have almost 40 devices total, with only about 20-25 (maximum) connected at any given time.
I began making IP reservations for about 17-20 devices, knowing that the maximum is 24 devices (reserved IP's). I also assigned "static" IP addresses for seven devices. During the process, I ran into a problem where I was UNABLE to rename devices / add additional devices and assign IP addresses. Even if "new" devices connected to my home network, I couldn't edit / rename them. I performed some "troubleshooting" steps and determined I could edit previously reserved IP addresses / edit names of previous devices already added after initial set up of the router. I did have conversation with Furry[Nutz] during the process and discussed the issues I was having. BTW, these were the SAME ISSUES I ran into with the previous beta firmware version. It was suggested to perform a factory reset and set up the 890L from "scratch" once again.
I performed a factory reset and once again set up the router (DID NOT USE THE SETUP WIZARD). During the setup, I found that some devices would not connect wirelessly to the 890L (assigning an IP address not within the DHCP pool). After about 20 minutes, I decided to perform a factory reset, reload the latest beta firmware (once again), and perform a factory reset.
I'm now on my third time trying to get the 890L set up / operating without any issues. Once again, after reserving IP addresses / editing and renaming devices / setting "static" IP addresses for devices, I ran into the same problem - I was UNABLE to rename devices / add additional devices and assign IP addresses. After further discussion with Furry[Nutz], it was suggested that I perform ONE final factory reset, but this time using the SETUP WIZARD and allowing the router to "just do it's job" for at least 24 hours with a few additional set up "tweaks", and not assigning any IP reservations or editing / renaming devices. It was also suggested that I only allow "absolute necessary devices" to connect to the 890L, and eliminate any devices that didn't need to have a connection. I was able to eliminate about 10 devices (Smart TV's / Blu-ray Disc Player / 2 Xbox 360 consoles) for the time being.
On Monday (04/11), I performed another factory reset. I used the SETUP WIZARD and ENABLE SC, as well as performed a few other "setup tweaks". I did not assign any IP reservations or edit / rename any devices. On Tuesday (04/12), I made a few IP reservations (iMac / 2 MacBooks / 2 Xbox One Gaming Consoles). I had not problems doing this. I also edited / renamed a few devices that were connected. I also had no problems doing this. It had been over 24 hours and I wasn't experiencing any of the issues I experienced prior.
Yesterday (4/12), I edited / renamed a few other devices, as well as set a few more IP reservations to devices connected to my home network. Once again, I had no problems doing this.
So, what does all this mean? I've come to the conclusion that the 24 device MAXIMUM includes IP RESERVATIONS / STATIC RESERVATIONS / EDITING and RENAMING DEVICES (not including devices already renamed during assigning IP reservations). I'm hoping D'LINK will attempt to "test" / "troubleshoot" this exact issue I experienced above and comment. Also, if any 890L users with a similar situation as mine (several devices in home network) can "test" / "troubleshoot" this exact issue and comment, that would be great. I'm trying to determine if the issues I'm having are specific to my router, or if it's a firmware issue.
Thanks for taking time to read this post. I really hope it helps other 890L users should they experience issues like I've had.
Finally, I must mention that the 890L is THE BEST router I've used to date! It's ROCK SOLID and performs well beyond my expectations. The 890L handles my home network traffic without any issues! I really hope D'LINK continues to support the 890L for at least a few more years, and the next generation router is as solid as the 890L!
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