Providing power to a server

Patent metadata

Field	Value
Publication number	US-10996724-B2
Application number	US-201515745991-A
Country	US
Kind code	B2
Filing date	Jul 21, 2015
Priority date	Jul 21, 2015
Publication date	May 4, 2021
Grant date	May 4, 2021

Abstract

Providing power to a server includes a switch with power sourcing equipment (PSE) and a server with a network interface controller (NIC) the PSE to transfer power to the NIC of the server via a network cable to change configuration settings prior to the server booting from a stand-by mode.

First claim

What is claimed is:

1. A system for providing power to a server, the system comprising:
a switch with power sourcing equipment (PSE), the switch comprises Ethernet downlink ports to connect the network cable to a connector of the MC and a switch application-specific integrated circuit (ASIC) to control logic of the switch; and
a server with a network interface controller (NIC);
the PSE to transfer power to the NIC of the server via a network cable to change configuration settings prior to the server booting from a stand-by mode or a power-off mode,
wherein power over Ethernet (PoE) at the switch is managed to distribute the PoE evenly between a topology of the switch.

2. The system of claim 1 , wherein power over Ethernet (PoE) at the switch is managed to avoid over commitment.

3. The system of claim 1 , wherein a powered device (PD) supports a NIC application-specific integrated circuit (ASIC) for discovery and the change of the configuration settings.

4. The system of claim 3 , wherein the PD of the NIC indicates, via a current feedback, a class device of components of the server.

5. A method for providing power to a server, the method comprising:
determining a server is in stand-by mode or is powered oft with auxiliary power distributed to a baseboard management controller (BMC) and peripheral component interconnect express (PCIe) slots; and
providing power over Ethernet (NE) on a port by port basis to the server via a network cable to change configuration settings prior to the server booting from the stand-by mode or from a power-off mode,
wherein the PoE is at a switch which comprises Ethernet downlink ports to connect the network cable to a connector of the NIC and a switch application-specific integrated circuit (ASIC) to control logic of the switch.

6. The method of claim 5 , wherein the PoE at a switch is managed to avoid over commitment and to distribute the PoE evenly between a topology of the switch.

7. The method of claim 5 , further comprising determining, via a current feedback, a class device of components of the server.

8. The method of claim 5 , further comprising executing an initial configuration to allow a switch port to connect to the BMC via a network controller sideband interface (NC-SI).

9. The method of claim 8 , wherein the initial configuration sets up the NC-SI pass-through communication when a NIC application-specific integrated circuit (ASIC) of the server is in PoE powered mode.

10. A system for providing power to a server with a network interface controller (NIC), the system comprising:
a NIC application-specific integrated circuit (ASIC) for receiving power over Ethernet (PoE) from a switch to change configuration settings prior to a server booting from a stand-by mode or a power-off mode;
a network controller sideband interface (NC-SI) set up by the initial configuration when the NIC application-specific integrated circuit (ASIC) of the server is in PoE powered mode; and
a powered device (PD) for supporting the NIC application-specific integrated circuit (ASIC) for discovery and the change of the configuration settings,
wherein the PoE at the switch is managed to distributed the PoE evenly between a topology of the switch.

11. The system of claim 10 , wherein the PD of the NIC determines, via a current feedback, a class device of components of the server.

12. The system of claim 10 , wherein the PoE is received via network cables connected between connectors of the NIC and Ethernet downlink ports of the switch.

13. The system of claim 10 , wherein the NIC ASIC is connected to a baseboard management controller (BMC) of a server.

14. The system of claim 10 , wherein a number of power sourcing equipment (PSE) of the switch provide the PoE to the PD.

Assignees

• Hewlett Packard Entpr Dev Lp

Inventors

• Koenen David
• Hudson Charles L

Classifications

• H04L67/34

  involving the movement of software or configuration parameters  (network booting or remote initial program loading [RIPL] G06F9/4416) · CPC title

• G06F1/26 Primary

  Power supply means, e.g. regulation thereof (for memories G11C) · CPC title

• G06F9/4418

  Suspend and resume; Hibernate and awake · CPC title

• H04L12/10

  Current supply arrangements · CPC title