Datasheet

IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch 8
Scalability and performance
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40 Gb Ethernet ports for extreme uplink bandwidth and performance
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Fixed-speed external 10 Gb Ethernet ports to leverage 10 Gb core infrastructure
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Non-blocking architecture with wire-speed forwarding of traffic and aggregated throughput of 1.28
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Tbps on Ethernet ports
Media access control (MAC) address learning: automatic update, support for up to 128,000 MAC
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addresses
Up to 128 IP interfaces per switch
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Static and LACP (IEEE 802.3ad) link aggregation, up to 220 Gb of total uplink bandwidth per
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switch, up to 64 trunk groups, up to 16 ports per group
Support for jumbo frames (up to 9,216 bytes)
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Broadcast/multicast storm control
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IGMP snooping to limit flooding of IP multicast traffic
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IGMP filtering to control multicast traffic for hosts participating in multicast groups
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Configurable traffic distribution schemes over trunk links based on source/destination IP or MAC
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addresses, or both
Fast port forwarding and fast uplink convergence for rapid STP convergence
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Availability and redundancy
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Virtual Router Redundancy Protocol (VRRP) for Layer 3 router redundancy
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IEEE 802.1D STP for providing L2 redundancy
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IEEE 802.1s Multiple STP (MSTP) for topology optimization; up to 32 STP instances are
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supported by a single switch
IEEE 802.1w Rapid STP (RSTP) provides rapid STP convergence for critical delay-sensitive
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traffic such as voice or video
Per-VLAN Rapid STP (PVRST) enhancements
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Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming on
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compute nodes
Hot Links provides basic link redundancy with fast recovery for network topologies that require
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Spanning Tree to be turned off
VLAN support
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Up to 1024 VLANs supported per switch, with VLAN numbers ranging from 1 to 4095 (4095 is
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used for management module’s connection only.)
802.1Q VLAN tagging support on all ports
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Private VLANs
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