US 11,755,520 B2
Dual-mode sideband interface for smart network interface controller
Zheng Zhang, Shanghai (CN); and Mahmoud B. Ahmadian, Austin, TX (US)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Dec. 28, 2021, as Appl. No. 17/563,546.
Prior Publication US 2023/0205719 A1, Jun. 29, 2023
Int. Cl. G06F 13/36 (2006.01); G06F 13/40 (2006.01); G06F 13/42 (2006.01)
CPC G06F 13/4022 (2013.01) [G06F 13/4221 (2013.01); G06F 2213/0026 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An information handling system comprising:
a host system including a first root complex;
a management controller including a second root complex;
a network interface controller; and
at least one switching circuit;
wherein the information handling system is configured to, in response to the host system being powered on:
couple the network interface controller to the management controller via the first root complex; and
wherein the information handling system is further configured to, in response to the host system being powered off:
activate the at least one switching circuit to couple the network interface controller to the management controller via the second root complex.