Brand: Lenovo
Category: Other
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for Flex System CN4093 10Gb Converged Scalable Switch
Uploaded: Nov. 21, 2025, 8:35 p.m.
Manual Publish Date: 2015-11-01
Warranty Information
Information regarding warranty is provided in the warranty document that comes with the product.
This guide describes how to configure and use the Lenovo N/OS 8.3 software on the Lenovo Flex System CN4093 10Gb Converged Scalable Switch. It covers network installation, configuration, and maintenance, including Ethernet concepts, IP addressing, Spanning Tree Protocol, and SNMP parameters. The manual details switch administration, initial setup, software management, security features, authentication protocols, network access control, VLANs, ports, link aggregation, spanning tree protocols, virtual link aggregation groups, quality of service, stacking, virtualization, virtual NICs, VMready, FCoE, Fibre Channel, edge virtual bridging, static multicast ARP, unified fabric port, switch partition, IP routing, IP version 6, IPsec, routing information protocol, IGMP, multicast listener discovery, border gateway protocol, OSPF, PIM, high availability, link layer discovery protocol, and SNMP. It also includes sections on service location protocol, system license keys, remote monitoring, sFLOW, and port mirroring.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
|---|---|---|
| Switch not powering on | Power cord not connected properly. | Ensure the power cord is securely connected to the switch and the power outlet. |
| Cannot access the switch | Incorrect IP address or subnet mask. | Verify the IP address and subnet mask of the switch and your management device. |
| Slow network performance | High network traffic or misconfigured QoS settings. | Monitor network traffic, review QoS configurations, and check for port errors. |