---
title: "Accessing the Intel CNode BMC port (AKA, the green port)"
slug: "accessing-the-intel-cnode-bmc-port-aka-the-green-port"
description: "The procedure for accessing a terminal on the Cascade Lake CNode using the dedicated onboard management port."
updated: 2026-10-26T23:15:21Z
published: 2026-10-26T23:15:21Z
canonical: "docs.vastdata.com/accessing-the-intel-cnode-bmc-port-aka-the-green-port"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Accessing the Intel CNode BMC port (AKA, the green port)

## Summary

There are instances when access to an Intel 2U Quad Chassis dual-NIC CNode (without a VGA port for console) is unavailable via the standard Ethernet port. Here are a couple of reasons why this would be the case:

1. A usable tech port has not been defined with a valid configuration.
2. The CNode won’t boot, and you need a console to troubleshoot.
3. You need a console to re-image the CNode.
4. You can ping the tech port, but you cannot SSH in to fix a potential sshd problem.

## Port Location

### Location in chassis

Cascade Lake CNode (BMC port in red circle)

![The image shows the rear of a multi-node server chassis with an RJ45 port that has green markings circled indicating the port described in the document.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/ff0055c0-5c20-4fe6-b639-211cc2929749.jpg?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)

### Location on the motherboard

Letter A represents the “dedicated management” port

![The image shows the rear of a multi-node server chassis with an RJ45labeled “Dedicated Management Port”](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/5866a8f9-e504-49ad-b60e-e09bb2e3bf8c.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)

### Schematic

The Red line shows the path in the schematic for the “dedicated management” port

![This is a block diagram showing a dual-socket Intel Xeon server architecture with CPUs, memory, PCIe slots, the C621 chipset, and I/O interfaces.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/962092a4-625b-495e-af6e-3e9b44cb6148.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)

## How to access the BMC port

1. Set your laptop's wired Ethernet port to 192.168.20.2/255.255.255.252
2. Ping the IP address 192.168.20.1
  1. If successful, go to step 3
  2. If unsuccessful, contact support
3. Point your web browser to 192.168.20.1
4. Authenticate: (it’s possible that other username/password combos are configured)

(Login to see passwords)

- admin/123456
- admin/admin
- sysadmin/superuser

1. Once logged in, choose the Remote control tab and the iKVM over HTML5 option

![This is a screenshot of an Intel Integrated BMC Web Console showing system status, firmware versions, and a Remote Control dropdown with KVM/Console Redirection and KVM over HTML5 options.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/6258ca0d-be9b-4d63-9b87-f35bfb1e7e1d.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)

![This is a screenshot of the Intel Integrated BMC Web Console showing the Remote Control section with the KVM over HTML5 option selected, which allows remote server management through a web browser.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/394adab2-d6b4-4415-9139-4b252b1deb6d.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)

You will now have a “serial” console to the CNode to do things like upgrade VastOS.

![This is a console screenshot showing CentOS Linux 7 boot messages with kernel 3.18.8-957.12.1.el7.vastos.7.x86_64, ending with a login prompt.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/37e4a456-8f89-4b2c-9555-0911dbad7f9c.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A24%3A23Z&se=2026-11-08T11%3A24%3A23Z&sr=c&sp=r&sig=pFfiPpWeqBiAyc04HbophIo%2FSEwmzU%2BAQXUx%2F%2BEfMfc%3D)