I received a “Green Update” e-mail today and after glancing over the subjects something caught my attention:
|“Announcing time–based PoE on all modular Catalyst PoE linecards
— EEM script solution to turn off PoE devices based on time
With the support of EEM and scriptable actions, it’s possible to schedule the activation of PoE for a ‘time-based’ operation. This can have a very significant impact for large IP Telephony installations where voice services are not needed during non-business hours.”
Here’s a script that can turn-off telephones during non business hours – if nobody is in a building why power all of the phones?
Two TCL scripts are included in the download, one to turn-off PoE enabled interfaces and a second to search for PoE interfaces in an “off” state and enable PoE again. EEM triggers the scripts using Cron at customizable times each day (e.g. 6am and 8pm)
A quick update on my studies:
As you have probably noticed I’ve not been blogging to often recently – the reason is because I have given myself a strict schedule between now and my ‘most recent’ exam date. I have setup a series of Outlook appointments telling me what I should be studying each night – I’m adamant that I won’t put my exam date back again and that’s why I’m being ultra-strict with myself.
During my most recent look at BGP I came across the very interesting “non-exist-maps” and “exist-maps” – I have started a post about them and will aim to get it finished in the near future…