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Forum Discussion
Rikerrock
Jul 29, 2019Tutor
Can't change icons of attached devices
Have most updated firmware. I click on attached devices and then click on say a HP printer and I change the icon to printer. Says updating, but right back to standard icon. Any suggestions?
richbusby
May 14, 2020Guide
Router Firmware Version V2.3.5.32
I found this thread through an internet search because like a lot of you I too could not change the icon on some of the devices on my list of attached devices. Through trial and error I found I could change *some* of the icons, the ones at the top of the list. Having a bit of a web app/database background I suspected some kind of issue with the database, so I worked my way down until I found a particularly long device name. Everything after that entry exhibited the error condition (icon changes would not be saved).
So I shortened the device name and saved it, then tested the items that previously could not be changed. Voila! Fixed.
What I suspect here is some sort of back end change to the data storage structure that was not reflected in the web interface, resulting in unchecked input validation causing a database issue (most likely exceeding the allowable characters in a field).
TL/DR: Look for long names in your list of devices. If you can change the icons before that one but not after it in the list, shorten the name.
CrimpOn
May 14, 2020Guru - Experienced User
Do you mind sharing how long the suspect device name was?
- richbusbyMay 14, 2020Guide
I believe this was it (fortunately I'd saved a spreadsheet with all the info prior to wiping out the name):
LSD Science and Technology Co.So looks like 29 characters. Could also be a function of the whitespace and period, or some other character that I'm too bothered to figure out. Once I shortened that to "LSD Science" I was able to modify and save icons farther down the list.
- CrimpOnMay 14, 2020Guru - Experienced User
Thank you. Another "activity". My longest device name is 20 characters.
- richbusbyMay 14, 2020Guide
Ah, good luck then. Knowing they have issues with unchecked input, you might check your names for extended characters especially ones that have system usage in linux (like \ and @, etc.).
- CrimpOnMay 15, 2020Guru - Experienced User
richbusby wrote:So looks like 29 characters. Could also be a function of the whitespace and period, or some other character that I'm too bothered to figure out. Once I shortened that to "LSD Science" I was able to modify and save icons farther down the list.
It may be an issue with "characters", but it is not an issue with length. I changed the device name of the 3rd device in my list to the full 32 character device name limit and found that I can still change the device icon on devices farther down the list. (The input field actually "cuts off" after 32 characters are entered and does not accept any more.) It is a little annoying that after clicking "Apply", the pop up window disappears and it is necessary to click on "Refresh" to see that the change took place. Or, perhaps wait until the screen automatically refreshes?
Almost all of my device names have one or more spaces in the name.
This is an Orbi RBR50 with firmware 2.5.1.8. So, I'm stumped.
- richbusbyMay 16, 2020Guide
This is an Orbi RBR50 with firmware 2.5.1.8. So, I'm stumped.
Do remember I'm running a different model and firmware so this is not an Apples to Apples comparison. The key thing to keep in mind here is that we have an observed issue with the GUI versus the database and a likely unchecked input validation condition i.e. the GUI accepts illegal or otherwise problematic characters that has problems once it hits the table/matrix/database/whatever they are storing the data in.
Have you tried going down to very basic device names with absolutely no extended characters? Cutting and pasting can pick up a lot of garbage so I'd type them in directly by hand.My hardware:
Hardware Version RBR40 Firmware Version V2.3.5.32 GUI Language Version V1.0.0.360