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ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Welcome to the Cisco Networking Professionals Ask the Expert conversation. This is an opportunity to get an update to learn about Cisco's current solutions including support for up to 30 Watts with Cisco expert Mala Srivastava. Mala is a product manager in Campus Switching Systems Technology Group (CSSTG) and focuses on wiring closet solutions, power, and "green" technologies on both the Cisco Catalyst 6500 4500 Series platforms. Mala first joined Cisco in 2000 and has worked in software development on the Gigabit Switch Router (GSR). She joined the Internet System group's marketing team in 2007. She has a master's degree in electrical engineering from Purdue University and a master of business administration from UCLA's Anderson School of Management.

Remember to use the rating system to let Mala know if you have received an adequate response.

Mala might not be able to answer each question due to the volume expected during this event. Our moderators will post many of the unanswered questions in other discussion forums shortly after the event. This event lasts through October 3, 2008. Visit this forum often to view responses to your questions and the questions of other community members.

14 REPLIES
Bronze

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Hi -

Is specific HW needed on the Cat4k and Cat6k switches?

Thanks!

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

On the Cat6K, the following linecards support ePoE (all shipping 10/100/1000 PoE LCs) -

• WS-X6148A-GE-45AF, WS-X6548-GE-45AF, WS-X6148-GE-45AF

On the Cat4K, the following linecards support ePoE (all shipping E-series LCs) -

• WS-X4648-RJ45V-E and WS-X4648-RJ45V+E

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Is that 30 watts per port? If so this could be something we might be interested in as we're pushing out 15.4 now and still can't get our LWAP's to totally power up.

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

No this is enhanced PoE in the range 15.4W to 20W/ port. 30W/ port is expected in the new IEEE802.3at std in ~Sept'09.

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Is there a minimum firmware revision for the 6500s to utilize ePoE?

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

IOS 12.2(33)SXH2 or later is required on Catalyst 6500.

Silver

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Hi

What is power-optimized mode on the AP1252?

Thanks

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

The Cisco AP1252 can run in a variety of modes requiring different power levels. The power-optimized mode requires 16.8W of ePoE.

Silver

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Hi,

What is EnergyWise?

Thanks

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

EnergyWise is a Cisco architecture to manage and optimize power consumed on the network. It is expected to FCS across the switching portfolio (Cat3K, Cat4K, Cat6K) in CY'09.

Bronze

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Hi

What is power-optimized mode on the AP1252?

Thanks

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

The Cisco AP1252 can run in a variety of modes requiring different power levels. The power-optimized mode requires 16.8W of ePoE. Please let me know if you want details on the functioning of the AP in this mode.

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

What devices can PoEP power?

New Member

Re: ASK THE EXPERT - ENHANCED POWER OVER ETHERNET

Some of the PoEP devices expected in 2009-2010 include next gen IEEE802.11n APs, next gen IP phones, PTZ security cameras, thin clients and digital displays.

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