asw2-a-eqiad complains:
Oct 1 15:34:54 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning cleared Oct 1 15:36:22 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning set Oct 1 15:38:56 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning cleared Oct 2 06:43:31 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning set Oct 2 06:44:47 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning cleared Oct 2 06:48:35 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning set Oct 2 06:49:51 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning cleared Oct 2 08:04:25 asw2-a-eqiad fpc7 sfp-7/0/46 link 46 SFP receive power low warning set
With the interface being:
faidon@asw2-a-eqiad> show interfaces descriptions xe-7/0/46
Interface Admin Link Description
xe-7/0/46 up up Core: cr2-eqiad:xe-4/0/0 {#3455} [10Gbps DF]
``Diagnostics:
faidon@asw2-a-eqiad> show interfaces diagnostics optics xe-7/0/46 | match "rx|receive"
Receiver signal average optical power : 0.0361 mW / -14.42 dBm
Laser rx power high alarm : Off
Laser rx power low alarm : Off
Laser rx power high warning : Off
Laser rx power low warning : On
Laser rx power high alarm threshold : 2.2387 mW / 3.50 dBm
Laser rx power low alarm threshold : 0.0229 mW / -16.40 dBm
Laser rx power high warning threshold : 1.7783 mW / 2.50 dBm
Laser rx power low warning threshold : 0.0363 mW / -14.40 dBmSo this probably needs a fiber or optic replacement. @ayounsi, I think I didn't see any alerts for this, so this sounds like an opportunity for adding more monitoring :)