Installing redundant power supply in catalyst switch

[jegan_rajappa]

Does adding redundant power supply to catalyst switch will increase POE budget ?

[Leo Laohoo]

No, it doesn't.
Redundant power supplies are just that: REDUNDANCY

[jegan_rajappa]

In one of my C9300-24UX deployment, I have redundant power supply PWR-C1-1100WAC-P, show power inline output shows 1405.0 as available power, As per product documentation this power supply can give 560W only, so I am bit confused. 

[julian.bendix]

Hi!

The whole switch is supposed to privide 560W PoE Budget as per datasheet:

https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switches/nb-06-cat9300-ser-data-sheet-cte-en.html

Do you have a Stack?
Could you post the outputs of the following:
#show power inline
#show switch 

Best regards
Julian

[Reza Sharifi · Accepted solution]

Have a look at table-3 in this link.  560w when using one PSU and 1440 when you using 2 1100w PSUs (which is your case).

https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switches/nb-06-cat9300-ser-data-sheet-cte-en.html

HTH

[jegan_rajappa]

Thanks Reza.

This concludes adding secondary power supply increases overall POE budget.