Marketing description

The Broadcom BCM957504-M1100G16 is a single-port 100 Gb/s PCI Express v4.0 x16 network adapter card designed to the Open Compute Project (OCP) mezzanine card specification with a QSFP56 network connector. The adapter is designed to the OCP Mezzanine v2.0 specification as a Type 2 adapter with the board outline adhering to the original v0.5 dimensions. The adapter supports QSFP56/QSFP28/QSFP+ optical modules and copper direct-attach cables. The card uses the Broadcom BCM57504 100GbE MAC controller with an integrated 100GbE SFI transceiver.

Key selling points

• Supports 50G PAM-4 and 25G NRZ signaling
• Fully compliant with the SFF-8402 standard
• PCI Express v4.0 x16 compliant
• SR-IOV with up to 1k virtual functions (VFs)
• Function-Level Reset (FLR) support
• TruFlow flow processing engine
• Virtual Network Termination - VXLAN, NVGRE, Geneve, GRE encap/decap
• Tunnel-aware stateless offloads
• DCB support - PFC, ETS, QCN, DCBx
• RDMA over Converged Ethernet (RoCE)
• Network Controller Sideband Interface (NC-SI)
• SMBus 2.0
• MCTP over SMBus
• Jumbo frames up to 9 KB
• Advanced congestion avoidance
• Multiqueue, NetQueue, and VMQ
• IPv4 and IPv6 offloads
• TCP, UDP, and IP checksum offloads
• Large send offload (LSO)
• Large receive offload (LRO)
• TCP segmentation offload (TSO)
• Receive-side scaling (RSS)
• Transmit-side scaling (TSS)
• VLAN insertion/removal
• Interrupt coalescing
• Network boot - PXE, UEFI
• ISCSI boot
• Wake-on-LAN (WOL)
• MSI and MSI-X