[Nebula 20.00] Port Advisor Alerts

Zyxel_Tina

Hi @GiuseppeR,

The hotfix has already been released and applied.

This issue was mainly related to changes in behavior/mechanism after the recent Nebula update, and the fix was implemented on the NCC side.

Could you please help confirm whether you are still experiencing these alerts?

If the issue persists or if you encounter any further concerns, kindly provide us with the organization/site name of the affected sites so we can assist with further investigation. Thank you.

Dylan96

https://community.zyxel.com/en/discussion/comment/84677#Comment_84677

Hi, @Zyxel_Tina

After a thorough investigation, it appears that this “flapping” is very often caused by power‑saving features of the device connected to the port.

In fact, in several cases, simply disabling Ethernet power saving on a PC or the standby mode on a printer was enough to prevent these alerts from being generated.

This represents an issue because it is not related to any physical problem with the connection.

The detection mechanism for this alert should therefore be reviewed; otherwise, it's useless.

Mk88_it

I can confirm what @Dylan96 wrote. It seems that almost 90% cases of these alerts are generated by devices going in power saving mode. Could you improve the detection method for Cable health
→ Poor cable quality ?

GiuseppeR

Hello everyone, recently I saw a drop in email notifications. So very good.

Anyway it seems to me that the power saving feature could trigger that alert, honestly I’m still looking to understand this better to collect a proof of that.