You can also disable the Management Ethernet alarm: set chassis alarm management-ethernet link-down ignore
On Fri, Feb 15, 2019 at 08:01:11PM +0000, Richard McGovern wrote: > From > https://www.juniper.net/documentation/en_US/release-independent/junos/topics/reference/specifications/chassis-qfx5100-status-leds.html > > Red Alarm = A major hardware fault has occurred, such as a temperature alarm > or power failure, and the switch has halted. > > From this it appears NOT having the Management Port active but configured is > consider a "major hardware fault" when switch is in 'system halt or > power-off' state. I might very well assume that besides QFX5100 other > products, like 5110 and EX4600 and maybe other EX switches, function the same. > > For EX4300 its page states, for RED Alarm: > > There is a major alarm. A major alarm indicates a critical error condition > that requires immediate attention. > > Note: When you connect power to the switch, the Alarm (ALM) LED glows red. > This behavior is normal. Plugging an active Ethernet cable into the > management (MGMT) port on the switch completes the network link and turns off > the ALM LED. (See Connecting a Device to a Network for Out-of-Band > Management.) > > Connecting the switch to a dedicated management console instead of a network > does not affect the ALM LED. The LED remains red until the switch is > connected to a network. > > An easy test for your QFX5100 would be to power it up and disconnect > Management Port and see if alarm goes RED, that is, works like EX4300. > > My 2 cents worth. > > Richard McGovern > Sr Sales Engineer, Juniper Networks > 978-618-3342 > > > On 2/14/19, 12:33 PM, "Anderson, Charles R" <c...@wpi.edu> wrote: > > Maybe it lights the red alarm LED so that someone looking knows that it > is shutdown/halted, not running normally. > > On Thu, Feb 14, 2019 at 04:57:48PM +0000, Giovanni Bellac via juniper-nsp > wrote: > > > > Hi, > > it matters for us, because I want to know the root cause of the red > alarm LED when powering it down with an enabled management port. > > Kind regards > > Am Donnerstag, 14. Februar 2019, 13:12:13 MEZ hat Anderson, Charles > R <c...@wpi.edu> Folgendes geschrieben: > > > > Why does it matter since the switch is halted/powered off anyway? > > > > On Thu, Feb 14, 2019 at 08:31:43AM +0000, Giovanni Bellac via > juniper-nsp wrote: > > > Hi, > > > we are issuing the command (request system power-off) when the switch > is booted up normally. We are experiencing this on different JunOS versions > (14.1, 17.3, 18.1). > > > From our last email: > > > Short update:We experiencing the red alarm only when the management > port is connected when powering off the QFX5100-48T - weird...When the > management port is not connected when powering down the device, there is no > red alarm. > > > Kind regards > > > > > > > > > Am Mittwoch, 13. Februar 2019, 16:22:59 MEZ hat Anderson, Charles > R <c...@wpi.edu> Folgendes geschrieben: > > > > > > On Wed, Feb 13, 2019 at 11:08:16AM +0000, Giovanni Bellac via > juniper-nsp wrote: > > > > after powering off a QFX5100-48T (request system power-off) the > fans are spinning down and the ALARM LED is lightning red. The switch is > working and looking as expected without any error messages. > > > > > > > > Is this a normal behavior ? Has someone a spare unit for a short > test ? _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp