Network Adapters - Lenovo System x3550 M5 Product Manual

Network adapters

The x3550 M5 supports four integrated Gigabit Ethernet ports.
The integrated network interface controller (NIC) has the following features:
A Broadcom BCM5719 chip
Four Gigabit Ethernet ports
NIC Teaming (load balancing and failover)
Ethernet features:
Compliant with 1 Gb Ethernet IEEE 802.3, 802.3u, and 802.3ab PHY specifications
Integrated PHY for 10/100/1000 Mbps for multispeed, full, and half-duplex auto-negotiation
Automatic MDI crossover
IEEE 802.3x-compliant flow control support
IEEE 1588 protocol and 802.1AS time synchronization implementation
IEEE802.3az - Energy Efficient Ethernet (EEE)
I/O Virtualization features:
I/O Virtualization support for VMware NetQueue and Microsoft virtual machine queue (VMQ)
Function Level Reset (FLR)
IEEE 802.1q Virtual Local Area Network (VLAN) tagging support
Stateless offload and performance features:
TCP, IP, and User Datagram Protocol (UDP) checksum offload
TCP segmentation offload (TCO)
Large Send Offload (LSO)
Receive Side Scaling (RSS) and Transmit Side Scaling (TSS)
Message Signal Interrupt (MSI) and Message Signal Interrupt Extension (MSI-X) support
Support for jumbo frames up to 9600 bytes
Optionally, the x3550 M5 server supports ML2 adapters that are installed in the custom ML2 slot provided
by the PCIe ML2 riser card (part number 00KA063). This slot supports adapters with either two 10 Gb
ports or four Gigabit ports and supports direct connectivity to the IMM2 service processor for out-of-band
systems management.
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