Linkrunner At 2000 Firmware Update ◉

After the reboot, do not assume success. Verify the installation:

  • The process involves:
  • Once complete, the LinkRunner will reboot automatically.

    • The LinkRunner AT 2000 is officially in legacy support status. NetScout no longer develops new features for this model. The final firmware releases (v2.5.4 and v2.6.0 for some SKUs) are static. If your unit is running an older version like v1.x or v2.0.x, updating to v2.5.x is highly recommended. However, if you are already on v2.5.0, you are missing minimal changes.

    Should you upgrade if it’s working? The old engineering adage applies: “If it ain’t broke, don’t fix it.” However, if you are experiencing switch identification failures or PoE negotiation issues on new switches (e.g., Cisco 9300 series), an update is warranted.

    A firmware update might transform your LRAT-2000. Features like TruePower™ 802.3bt load testing or IPv6 discovery are often added post-launch.

    The firmware is bundled with the LinkRunner Desktop Software. You do not usually need to download a separate firmware file. linkrunner at 2000 firmware update

    The LinkRunner AT 2000 restarts.

    The screen remains black for eight seconds. Eight seconds too long.

    Then—the chime. The familiar, two-tone boot chime that says, "I am alive."

    The main menu loads. But it’s different. The font is cleaner. The Blink icon now has a "PoE+" label next to it. After the reboot, do not assume success

    You navigate to Tools > System Settings > About.

    You unplug the USB cable. You walk back to the suspect Cisco 9300. You plug the LinkRunner into port 23 using a known-good patch cable.

    You press the AutoTest button.

    Test 1/8: Wiremap... Pass. Test 2/8: Length... 47ft. Test 3/8: Skew... Pass. Test 4/8: PoE... 802.3at (25.5W). Test 5/8: LLDP... Switch: Cisco 9300, VLAN 10, Duplex: Full. The process involves:

    No error. The "Non-Standard Pair" ghost is gone. The switch responds in 0.4ms.

    You look at the LinkRunner. You look at the rain. You close your laptop.

    | Firmware | Release Date | Key Changes | |----------|--------------|--------------| | 1.4.2 | 2019-03-15 | Improved 802.3at PoE+ detection | | 1.6.0 | 2020-11-01 | Added HTTPS certificate renewal | | 1.8.1 | 2022-09-12 | Fixed DHCP infinite loop; updated LLDP parsing | | 1.9.0 | 2024-01-20 | Security patches; faster boot time |

    Always check the release notes for your specific version.