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7-24
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Chapter 7 Managing the Switch Hardware
Information About Module Temperature
–
For se nso rs 1, 3, a nd 4 (ou t let an d on boa rd se nso rs), th e f o ll ow i ng a cti on s o cc ur:
Sy st em m essa ge s are d i splayed.
Call H ome al erts are se nt (if con f i gu red ).
SNM P no tifica tio n s are sen t (if con fig ured ).
–
For se nso r 2 (in tak e sen sor), t he fol lo w in g act io ns oc cu r:
If t he th resh ol d is e xc eed ed i n a sw i tch in g m o du l e, o n ly th at m o d ul e i s sh ut d ow n .
If the threshold is exceeded in an active supervisor module with HA-standby or standby present,
only that supervisor module is shut down and the standby supervisor module takes over.
If you do not have a standby supervisor module in your switch, you have 2 minutes to decrease
the t em perat ure. Du ring t hi s in te rval , t he so f t w are m o n it ors t he te m peratu re e very 5 sec on d s
and co nt in uo u sly send s system me ssag es as co nfigu red.
Tip
We recommend that y ou install dual supervisor modules. If y ou are using a Cisco Nexus 7000
Series switch without dual supervisor modules, we recommend that you immediately replace the
fan module if just one f an is not working.
Note A threshold value of –127 indicates that no thresholds are configured or applicable.
Displaying the Module Temperature
You can display temperature readings for module temperature sensors by using the
show enviro nment
temperature
command. See Ex am ple 7-6.
Example 7-6 Displaying Temperature Information for Hardware
switch# show environment temperature
Temperature:
--------------------------------------------------------------------
Module Sensor MajorThresh MinorThres CurTemp Status
(Celsius) (Celsius) (Celsius)
--------------------------------------------------------------------
1 Crossbar(s5) 105 95 60 Ok
1 QEng1Sn1(s12) 115 110 70 Ok
1 QEng1Sn2(s13) 115 110 68 Ok
1 QEng1Sn3(s14) 115 110 67 Ok
1 QEng1Sn4(s15) 115 110 68 Ok
1 QEng2Sn1(s16) 115 110 70 Ok
1 QEng2Sn2(s17) 115 110 68 Ok
1 QEng2Sn3(s18) 115 110 68 Ok
1 QEng2Sn4(s19) 115 110 68 Ok
1 L2Lookup(s27) 115 105 57 Ok
1 L3Lookup(s28) 120 110 62 Ok
2 Crossbar(s5) 105 95 65 Ok
2 QEng1Sn1(s12) 115 110 70 Ok
2 QEng1Sn2(s13) 115 110 68 Ok
2 QEng1Sn3(s14) 115 110 67 Ok
2 QEng1Sn4(s15) 115 110 68 Ok
2 QEng2Sn1(s16) 115 110 69 Ok
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