I've got a customer who is installing some new MDS9132T switches. The bundle they have includes the C9132T with 2 x FAN modules only. The fans are installed into slots 2 and 4 as per the Cisco data sheet.
The device though has a big red warning LED on the front because Fan1 and Fan3 are 'failed'. I guess they technically are... but they just simply don't exist and have never existed.
2019 Oct 29 10:00:17 AUFUJPSN001IT %PMON-SLOT1-2-PMON_CRIT_INFO: Port Monitor Critical Information: Policy (slowdrain) activation is success . 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_OK: Power supply 1 ok(Serial number ARTXXXXXXXX) 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_FANOK: Fan in Power supply 1 ok 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_OK: Power supply 2 ok(Serial number ARTXXXXXXXX) 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_FANOK: Fan in Power supply 2 ok 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-FAN_FAIL_: Fan 1 Failed 2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-FAN_FAIL_: Fan 3 Failed 2019 Oct 29 10:00:32 Switch-hostname %PLATFORM-1-PFM_ALERT: FAN_BAD: fan1 fan3 2019 Oct 29 10:00:32 Switch-hostname %PLATFORM-1-PFM_ALERT: Two Fan Tray system
Is there a way for me to disable this LED or configure the switch so it knows there are no fans in slot 1 and 3? It's supported to have 2 fans (not my choice, I'd have bought 4), but I really don't want this big red LED on the front of my brand new deployment.
How does everyone feel about service graphs in a brownfield network centric cutover? maybe I'm an old school engineer but I was taught that if you have to do a Pbr then your design is wrong. they are a pain to troubleshoot because you always f...
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