LCOS SX 4.00 RU1 und LCOS SX 3.32 SU3

New power for your switches

The operating system for LANCOM Switches - the LCOS SX - continuously receives innovative new features and improvements due to our in-house development. This guarantees that your internal networking is always state-of-the-art! Download the right SX version for your device now and benefit from new features and improvements.

Feature highlights

The LCOS SX 4.00 RU1 feature overview

  • Support for the PowerEthernet MIB
  • SNMPv1/2: The read community can now be disabled
  • LMC client: DHCP option 43 is now configurable
  • LMC client: DHCP renew after "Connection error"

LCOS SX 3.32 SU3 overview

  • This security update fixes the bug that the random generator for generating SSH keys did not generate different host keys sufficiently. How to ensure that sufficient host keys are generated after the firmware update is documented here.

Further informations

Software Lifecycle Management

With LANCOM Systems you have a manufacturer at your side who offers unparalleled investment protection. The lifecycle policies from LANCOM also provide full transparency and reliable planning with regard to the firmware updates and product support for your LANCOM infrastructure. Read more: Software Lifecycle Management

Firmware version overview

Keep track of our current OS versions with our firmware version overview. It provides a comparison of the different versions and recommended usage: Click here for the firmware version overview

LANCOM release process

Our aim is the optimal preparation of our in-house operating systems LCOS, LCOS SX, LCOS LX, and LCOS FX and other software, not only for its use in practice, but also to adapt it to the wishes of our customers. This is why we enter into active dialog with our customers even during the development phase as part of our release procedure. Find out more about the LANCOM release process here

LCOS SX download

Note:
Before upgrading your device to a new firmware it is essential to backup your device’s configuration. Due to extensive features it is not possible to downgrade to a previous firmware without using the backup configuration. Never disconnect the device from power supply while updating the firmware. In this case the device won’t start again.