Hi saadaldin2001,Hi all other people visiting this post, if you're thinking you're loosing configurations or part of configurations (VLAN on SwitchPorts, VLAN on LAG, Port-Configuration on Ports / LAG (Access, Trunk, General))You need to check if the...

Hi,please try to disable the Smart Port Feature / Function for the whole switch…maybe you need to reconfigure some ports where the smartport scheduler has applied his roules…but after this the configuration isn’t altered after reboot by “smartport”

So... short Update,after a closer look in the start-up config backup...so what i've described in my previous post is a SMART-PORT "feature"after disabling SMART-PORTor disabling 2 SMART-PORT macros macro auto processing type ip_phone disabledmacro au...

I Know…but if i press the Save Button (blinking Disc Icon) normally the config is written to Startup… so it seems Not to be a User failure  

Hi,i can confirm the failure on CBS250 and CBS350 both with latest firmware...i've only recognized in combination of VLAN an TRUNK / GENERIC Port Configuration....Generic Ports lost their configuration ans switched back to trunk port.Fortunatly, Cisc...