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Standards Supported - Lenovo Flex System EN6131 Product Manual

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Quality of service (QoS)
Support for IEEE 802.1p traffic processing.
Traffic shaping that is based on defined policies.
Four Weighted Round Robin (WRR) priority queues per port for processing qualified traffic.
Priority-Based Flow Control (PFC) (IEEE 802.1Qbb) extends 802.3x standard flow control to
allow the switch to pause traffic based on the 802.1p priority value in each packet's VLAN
tag.
Enhanced Transmission Selection (ETS) (IEEE 802.1Qaz) provides a method for allocating
link bandwidth based on the 802.1p priority value in each packet's VLAN tag.
Manageability
IPv4 and IPv6 host management.
Simple Network Management Protocol (SNMP V1, V2, and V3).
WebUI graphical user interface.
Industry standard command-line interface (IS-CLI) through Telnet, SSH, and serial port.
Link Layer Discovery Protocol (LLDP) to advertise the device's identity, capabilities, and
neighbors.
Firmware image update (TFTP, FTP, and SCP).
Network Time Protocol (NTP) for clock synchronization.
Monitoring
Switch LEDs for external port status and switch module status indication.
Port mirroring for analyzing network traffic passing through the switch.
Change tracking and remote logging with the syslog feature.
Support for sFLOW agent for monitoring traffic in data networks (separate sFLOW
collector/analyzer is required elsewhere).
POST diagnostic tests.

Standards supported

The switch supports the following Ethernet standards:
IEEE 802.1AB Link Layer Discovery Protocol
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1p Class of Service (CoS) prioritization
IEEE 802.1Q Tagged VLAN (frame tagging on all ports when VLANs are enabled)
IEEE 802.1Qbb Priority-Based Flow Control (PFC)
IEEE 802.1Qaz Enhanced Transmission Selection (ETS)
IEEE 802.1w Rapid STP (RSTP)
IEEE 802.3ab 1000BASE-T copper twisted pair Gigabit Ethernet
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.3ba 40GBASE-SR4 short range fiber optics 40 Gb Ethernet
IEEE 802.3ba 40GBASE-CR4 copper 40 Gb Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3x Full-duplex Flow Control
Supported chassis and adapters
The EN6131 switches are installed in the I/O module bays in the rear of the Flex System chassis, as shown
in Figure 2. Switches are normally installed in pairs because ports on the I/O adapters that are installed in
the compute nodes are routed to two I/O bays for redundancy and performance.
Lenovo Flex System EN6131 40Gb Ethernet Switch
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