| Form factor | 2U rack mount |
| Ports | - 86x SFP/SFP+ ports (1 GbE or 10 GbE connectivity)
- 10x QSFP+ ports (2x 40 GbE ports, each with 4x 10 GbE support; 8x 40 GbE ports)
|
| Media types | 40 Gb Ethernet QSFP+:- 40 GbE short-range (SR) QSFP+ bi-directional (BiDi) transceivers
- 40 GbE short-range (SR4/iSR4/eSR4) QSFP+ transceivers
- 40 GbE long-range (LR4) QSFP+ transceivers
- 40 GbE QSFP+ to QSFP+ direct attach copper (DAC) cables
- 40 GbE QSFP+ to 4x 10 GbE SFP+ DAC breakout cables
10 Gb Ethernet SFP+:- 10 GbE short-range (SR) SFP+ transceivers
- 10 GbE long-range (LR) SFP+ transceivers
- 10 GbE extended-range (ER) SFP+ transceivers
- 10 GbE RJ-45 SFP+ transceivers
- 10 GbE SFP+ DAC cables
1/10 Gb Ethernet SFP+:- 1/10 GbE SX/SR SFP+ transceivers
1 Gb Ethernet SFP:- 1 GbE short-wavelength (SX) SFP transceivers
- 1 GbE long-wavelength (LX) SFP transceivers
- 1 GbE RJ-45 SFP transceivers
|
| Port speeds | - 40 GbE QSFP+ SR BiDi/SR4/LR4 transceivers: 40 GbE
- 40 GbE QSFP+ iSR4/eSR4 transceivers and DAC cables: 40 GbE or 4x 10 GbE
- 10 GbE SFP+ transceivers and DAC cables: 10 Gbps
- 1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps
- 1 GbE SFP transceivers: 1 Gbps
|
| Switching method | Cut-through. |
| Data traffic types | Unicast, multicast, broadcast. |
| Software features | - Lenovo Enterprise Networking OS:
Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging, spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs (vLAGs), Hot Links, Layer 2 failover, quality of service (QoS), Edge Virtual Bridging (EVB), VMready, OpenFlow, IPv4/IPv6 management, IPv4/IPv6 routing, IPv4 virtual router redundancy protocol (VRRP), IPv4 policy-based routing (PBR), Unified Fabric Port (UFP), Converged Enhanced Ethernet, Fibre Channel over Ethernet (FCoE) transit switch operations, VXLAN gateway. - Lenovo Cloud Networking OS (CNOS):
Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging, spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs (vLAGs), quality of service (QoS), IPv4/IPv6 management, IPv4/IPv6 routing, IPv4/IPv6 virtual router redundancy protocol (VRRP), IPv4/IPv6 policy-based routing (PBR), Converged Enhanced Ethernet, Python scripting, REST API programming.
|
| Performance | Non-blocking architecture with wire-speed forwarding of traffic:- 100% line-rate performance
- Up to 2.56 Tbps aggregated throughput
- As low as 600 nanoseconds switching latency
- Up to 9,216-byte jumbo frames
- Receive buffer size: 12.2 MB
|
| Scalability | - MAC address forwarding database entries: 224,000
- VLANs: 4,095
- Per VLAN Rapid Spanning Tree (PVRST) instances: 256 (ENOS) / 500 (CNOS)
- Multiple STP (MSTP) instances: 32 (ENOS) / 64 (CNOS)
- Link aggregation groups: 102
- Ports in a link aggregation group: 32
|
| Cooling | Three 2+1 redundant hot-swap fans. Rear (non-port side) to front (port side) or front to rear airflow. |
| Power supply | Two load-sharing, redundant hot-swap 750 W AC (100 - 240 V) power supplies (1x IEC 320-C14 connector on each power supply). |
| Hot-swap parts | SFP/SFP+/QSFP+ transceivers, SFP+/QSFP+ DAC cables, power supplies, fans. |
| Management ports | 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (Mini-USB); 1x USB port (for additional firmware, log, and configuration files storage). |
| Management interfaces | Industry standard command line interface (isCLI); SNMP v1, v2, and v3; Netconf (XML) (ENOS only); REST API (CNOS only). Optional Lenovo Switch Center (ENOS only). Optional Lenovo XClarity for discovery, inventory, monitoring and events. Optional Lenovo Networking Content Pack for VMware vRealize Log Insight. |
| Security features | Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security; Role-based Access Control (RBAC); LDAP/LDAPS (ENOS only), RADIUS, and TACACS+ authentication; access control lists (ACLs); port-based network access control (IEEE 802.1x; ENOS only). |
| Hardware warranty | Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day terms. Optional warranty service upgrades are available through Lenovo: 24x7 coverage, 2-hour or 4-hour response time, 1-year or 2-year warranty extensions, 1-year or 3-year Remote Technical Support (RTS). |
| Software maintenance | Three-year software support and subscription is included in the base warranty. Optional 1-year and 2-year warranty extensions include software support and subscription. |
| Mean Time Between Failures | 276,870 hours with ambient operating temperature of 40° C. |
| Dimensions | Height: 87 mm (3.5 in.); width: 439 mm (17.3 in.); depth: 483 mm (19.0 in.) |
| Weight | 15.4 kg (34.0 lb). |
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