Hi Will, Many Thanks for your rapid response.
It does help a lot. I did get the alerts for the unit 1 (and others) when I'd originally set the threshold (to 40% then increased to 50%). However I didn't include them for brevity. I think the confusion on my part arises from: 1. The use of the percent symbol when relating to temperature. 2. Me assuming that setting a threshold of 50% actually meant 50 degrees (C)! The units obviously report on their actual temperature, so how does that relate to the threshold percentage, and what would be a "safe" value to use? Regards, Andy -----Original Message----- From: Aguilar, William [mailto:wagui...@enterasys.com] Sent: 09 January 2009 20:29 To: Enterasys Customer Mailing List Subject: RE:[enterasys] C2H124-48P Temperature status question Hi Andy, Happy New Year! You are correct, the Release Notes (RNs) should include the C2H124-48 / 48P and the B2H124-48 / 48P as supported platforms for the this functionality. We will correct this in the next release of the RNs. As far as the condition that you are seeing, it looks like you may have set the threshold too low and switch 5's operating temperature is fluctuating below and above the max threshold. This indicates that 50% is near the normal operating threshold for the switch. You should consider increasing the thermal threshold higher than 50% to reduce the flapping between the two states. In your deployment it looks like both switch 1 and 2 have tripped the alarm threshold. You should have gotten an alert and a syslog event when the threshold was crossed on those, and you should see another one when the threshold returns below the max threshold that you set for each of the switches. Hope this helps! Thanks, Will _____________________________ William J. Aguilar, CISSP Director of Product Management Enterasys(R) SecureStackTM Product Family "There is nothing more important than our customers" -----Original Message----- From: Andy Middlehurst [mailto:andymiddlehu...@networksfirst.com] Sent: Friday, January 09, 2009 11:05 AM To: Enterasys Customer Mailing List Subject: [enterasys] C2H124-48P Temperature status question Hello everyone, and a Happy New Year to you all! I have a mixed stack of 2x C2G124-48 and 4x C2H124-48P. I recently upgraded the stack to 05.02.02.0009 and set the temperature threshold and alerts with the command: set system temperature syslog enable trap enable overtemp-threshold 50 Since then I sporadically get the following events, but only for unit 5 in the stack. I get a lot of these in a burst, but then nothing for several hours. According to the release notes, support for High temperature alerts was introduced in 05.02.01.0006, but only for the devices listed (i.e. not C2H124-48P). "Added support for protecting the health of the switch based on predetermined safe operating temperature limits. The administrator can change the maximum temperature threshold where a trap and syslog message is generated warning them of high-temperature conditions before service is affected (only available on C2G124- 48/48P, C2K122-24, C2G170-24, and all C3s.)" Can anyone help me understand what is going on here. I don't think I've misconfigured anything, after all, it's only one command! As always, your help is very much appreciated. Regards, Andy Middlehurst Networks First ltd. <165> JAN 09 02:26:26 192.168.4.1-5 SIM[198984224]: hwutils.c(4162) 657 %% sysapiTempSensorRead: System temperature has exceeded the Upper Threshold limit. Now the temperature is:38 <165> JAN 09 02:29:48 192.168.4.1-5 SIM[198984224]: hwutils.c(4180) 658 %% sysapiTempSensorRead: System temperature has come down below the upper threshold limit . Now the temperature is:37 <165> JAN 09 03:24:34 192.168.4.1-5 SIM[198984224]: hwutils.c(4162) 659 %% sysapiTempSensorRead: System temperature has exceeded the Upper Threshold limit. Now the temperature is:38 <165> JAN 09 03:25:41 192.168.4.1-5 SIM[198984224]: hwutils.c(4180) 660 %% sysapiTempSensorRead: System temperature has come down below the upper threshold limit . Now the temperature is:37 NF_Core_1(su)->show switch Management Preconfig Plugged-in Switch Code Switch Status Model ID Model ID Status Version ------ ------------ ----------- ----------- --------------------- -------------- 1 Mgmt Switch C2G124-48 C2G124-48 OK 05.02.02.0009 2 Stack Member C2G124-48 C2G124-48 OK 05.02.02.0009 3 Stack Member C2H124-48P C2H124-48P OK 05.02.02.0009 4 Stack Member C2H124-48P C2H124-48P OK 05.02.02.0009 5 Stack Member C2H124-48P C2H124-48P OK 05.02.02.0009 6 Stack Member C2H124-48P C2H124-48P OK 05.02.02.0009 NF_Core_1(su)->show system System contact:Service Desk x1099 System location:Comms Room System name:NF_Core_1 Switch 1 -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 61% Switch 2 -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 58% Switch 3 -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 48% Switch 4 --More-- <space> next page, <cr> one line, <q> quit -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 44% Switch 5 -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 49% Switch 6 -------- PS1-Status PS2-Status ---------- ---------- Ok Ok Fan1-Status Fan2-Status ----------- ----------- Ok Ok Temp-Alarm ----------- on Thermal Threshold: 46% Temp alarm max threshold: 50% Temp alarm trap: enabled Temp alarm syslog: enabled Uptime d,h:m:s Logout -------------- ------- 8,23:49:51 10 min NF_Core_1(su)-> Andy Middlehurst Service Desk: +44 (0)845 850 1177 Number One Paper Mill Drive Church Hill South, Redditch, B98 8QJ Telephone: +44 (0)845 850 5577 Winners of the Small Business UK Customer Experience Award as featured in The Sunday Times Networks First's accreditations and skills Networks First - committed to excellence, committed to you Networks First Ltd , (Registered in England 291 2114) Data Protection Act Fair Collection Notice: Your data will be processed by Networks First Limited at their offices. 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