Lenovo Flex System EN2092 Product Manual page 8

Availability and redundancy

Virtual Router Redundancy Protocol (VRRP) for Layer 3 router redundancy
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IEEE 802.1D STP for providing L2 redundancy

IEEE 802.1s Multiple STP (MSTP) for topology optimization, up to 32 STP instances supported

by single switch
IEEE 802.1w Rapid STP (RSTP) (provides rapid STP convergence for critical delay-sensitive

traffic like voice or video)
Per-VLAN Rapid STP (PVRST) enhancements

Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming on

compute nodes
Hot Links provides basic link redundancy with fast recovery for network topologies that require

Spanning Tree to be turned off
VLAN support

Up to 1024 VLANs supported per switch, with VLAN numbers ranging from 1 to 4095 (4095 is

used for management module's connection only)
802.1Q VLAN tagging support on all ports

Private VLANs

Security

VLAN-based, MAC-based, and IP-based ACLs

802.1x port-based authentication

Multiple user IDs and passwords

User access control

Radius, TACACS+ and LDAP authentication and authorization

NIST 800-131A Encryption

Selectable encryption protocol; SHA 256 enabled as default

IPv6 ACL metering

Quality of Service (QoS)

Support for IEEE 802.1p, IP ToS/DSCP, and ACL-based (MAC/IP source and destination

addresses, VLANs) traffic classification and processing
Traffic shaping and re-marking based on defined policies

Eight Weighted Round Robin (WRR) priority queues per port for processing qualified traffic

Flex System EN2092 1Gb Ethernet Scalable Switch 8