Power page for switches

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cmr
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Kind of a big deal

Power page for switches

As there are two page generations for switches, I have been trying to use the new one, but it doesn't populate any power information for my MS220-8p switches...  So I use the old one most of the time, today when I switched over to an MS220-8p with has an MR55 plugged into it, it showed 16.7W consumed in the section on the left (but changed before I could screenshot it...).  Initially I thought, how is it consuming more than budgeted, but then I checked the datasheet and the MR55 can consume up to 22W of power, so where does the error lie???

 

cmr_0-1752247247377.png

 

On another MS220-8p I have, there is a CW9163E and MV73X connected and both of those budget 30W, so it isn't like the switch doesn't know how to supply over 16W...

 

 

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RWelch
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Meraki switches will budget based on the PoE device classification, the budget is allowed to exceed available power as it's used to gauge overall power that might be consumed on the switch. Devices will continue to be powered until total power consumption goes over the available amount of power.

PoE Support on MS Switches (if I understand your post correctly)

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3 Replies 3
RWelch
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Kind of a big deal

Meraki switches will budget based on the PoE device classification, the budget is allowed to exceed available power as it's used to gauge overall power that might be consumed on the switch. Devices will continue to be powered until total power consumption goes over the available amount of power.

PoE Support on MS Switches (if I understand your post correctly)

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RaphaelL
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On all my MS350 and MS225 I don't have any buget / consumption mismatch : 

 

RaphaelL_0-1752247749283.png

16W and 30W are correctly shown.

 

MR55 is PoE+ so that would make sense that it could negociate PoE+ but maybe it doesn't need always need it. Depending on the radios ?

alemabrahao
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The MR55 negotiates power dynamically based on its current needs.
It may not always draw the maximum, for example, if not all radios are active or under heavy load.

I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.

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