Andrew-
I noticed this too, it was like if the SFP was inserted, it’d still throw an error because the transceiver tx/rx limits were technically still out of spec. There needs to be logic to check for the interface
status first, then disable the thresholds/alerts if down.
I had just considered removing optics for ports that were shut, but kinda annoying for sure.
Adam Ward
Systems Engineer
Shamrock Trading Corporation
Office Phone/Fax: (913) 310-2247
Email: award@rtsfinancial.com
Website: www.shamrocktradingcorp.com
From: observium <observium-bounces@observium.org> on behalf of Andrew Lemin via observium <observium@observium.org>
Reply-To: Observium <observium@observium.org>
Date: Friday, March 22, 2019 at 10:46 AM
To: Andrew Lemin via observium <observium@observium.org>
Cc: Andrew Lemin <AndrewL@4d-dc.com>
Subject: [Observium] Low dbm sensor alerts for shutdown interfaces
Hi,
Has anyone else seen the issue where after enabling an alert checker for transceiver optics with
sensor_value greater @sensor_limit
and sensor_value less @sensor_limit_low, alerts are still received for shutdown interfaces?
For example, on a cisco switch when running ‘show interfaces transceiver detail’, we can see;
Optical High Alarm High Warn Low Warn Low Alarm
Receive Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
Te1/1/25 -40.0 1.9 -1.0 -9.9 -13.9
Te2/1/1 -40.0 1.9 -1.0 -9.9 -13.9
Etc..
Te1/1/25 admin down down
Te2/1/1 admin down down
Etc
The sensors page shows the correct thresholds etc, but shows the interface in Red (and hence is generating alerts through the checker), rather than grey (as the port is shutdown and has no fibre connected
– hence -40dbm.).
The same port on the Ports page does show the interface as being grey/shutdown
Have no idea how to resolve this and stop getting transceiver alerts for shutdown interfaces? This sounds like a potential bug?
Thanks, Andy.