nick at nick
Nov 7, 2009, 6:04 AM
Post #1 of 1
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spurious optical-monitor syslog messages
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Hi,
Quite some time ago, I had to enable the optical-monitor feature so
that I could get dB readings from the optic interfaces on two RX-8s
with 4XG cards.
It works really neatly! You configure it to send alerts every X
minutes if the light reading is lower than a given threshhold.
Unfortunately it sends low-power alerts for interfaces that have any
media installed but are disabled.
The messages look like this:
Nov 7 13:58:05 switch switch, ALARM: 2/3 optic tx bias low alarm
Nov 7 13:58:06 switch switch, ALARM: 2/3 optic tx power low alarm
Nov 7 13:58:06 switch switch, ALARM: 2/3 optic rx power low alarm
Nov 7 13:58:06 switch switch, WARNING: 2/3 optic tx bias low warning
Nov 7 13:58:06 switch switch, WARNING: 2/3 optic tx power low warning
...
they are being sent every minute, from two switches, about disabled
interfaces. Most annoying.
The problem is, I can't disable the alerts. The command is supposed
to be "optical-monitor 0" in global config mode - but that doesn't
seem to work. Neither does adjusting the value to a very high number,
to reduce their frequency. Neither does "no optical-monitor".
What am I missing? Has anyone come across this one?
I'm sure that rebooting the switch will make it go away, but I'd
prefer to solve it by understanding how this isn't a bug. (or, that
it is a bug :-))
Nick!
--
Nick Morrison <nick[at]nick.on.net>
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