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

# Troubleshooting MCR With Other Issues

> This help topic describes troubleshooting steps to identify and solve problems when MCR has issues not covered in previous troubleshooting topics.

export const Video = ({url, text, duration, description}) => {
  const errorPrefix = '\x1b[31;1;4mERROR\x1b[0m: Video -';
  if (typeof url !== 'string') {
    url = String(url);
  }
  if (typeof text !== 'string') {
    text = String(text);
  }
  if (!url || url === 'undefined') {
    console.error(`${errorPrefix} the \`url\` property is required — rendering an empty string instead`);
    return <></>;
  }
  if (!text || text === 'undefined') {
    console.error(`${errorPrefix} the \`text\` property is required — rendering an empty string instead`);
    return <></>;
  }
  const youtubeIconMask = "url(\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 576 512'%3E%3Cpath d='M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zM232 336V176l142.7 80z'/%3E%3C/svg%3E\")";
  return <div className="video-callout">
      <div className="callout my-4 flex gap-3 overflow-hidden rounded-2xl border px-5 py-4">
        <div className="mt-0.5 w-4 shrink-0" data-component-part="callout-icon">
          <svg aria-hidden="true" className="size-4 shrink-0" style={{
    WebkitMaskImage: youtubeIconMask,
    maskImage: youtubeIconMask,
    WebkitMaskRepeat: 'no-repeat',
    maskRepeat: 'no-repeat',
    WebkitMaskPosition: 'center',
    maskPosition: 'center',
    backgroundColor: '#0284c7'
  }} />
        </div>
        <div className="min-w-0 w-full text-sm" data-component-part="callout-content">
          <strong>
            Video:{' '}
            <a href={url} target="_blank" rel="noopener noreferrer">
              {text}
              <span className="sr-only"> (opens in a new tab)</span>
            </a>
          </strong>
          {}
          {duration && <> ({duration})</>}
          {}
          {description && <p className="mt-1 mb-0 text-xs text-gray-500 dark:text-gray-400">
              {description}
            </p>}
        </div>
      </div>
    </div>;
};

export const Gloss = ({term, anchor, langDir = 'en'}) => {
  const errorPrefix = '\x1b[31;1;4mERROR\x1b[0m: Gloss -';
  if (typeof term !== 'string') {
    term = String(term);
  }
  if (typeof anchor !== 'string') {
    anchor = String(anchor);
  }
  if (!term || term === 'undefined') {
    console.error(`${errorPrefix} the \`term\` property is required — rendering an empty string instead`);
    return <></>;
  }
  if (!anchor || anchor === 'undefined') {
    console.error(`${errorPrefix} the \`anchor\` property is required — rendering an empty string instead`);
    return <></>;
  }
  const lang = langDir === 'en' ? '/' : '/' + langDir + '/';
  const glossaryPage = lang + 'glossary/#' + anchor;
  return <a href={glossaryPage}>{term}</a>;
};

If your MCR is experiencing issues other than those covered in previous troubleshooting topics, step through these troubleshooting actions.

<Tip>
  You can verify MCR status from the Megaport Portal. On the [Services page](/portal-admin/services-page) in the Portal, find the MCR and mouse over its icon. A message displays the status of the service. The color of the icon also indicates the service status.
</Tip>

<Video url="https://youtu.be/8sH-Z2XoO4M" text="How to Check the MCR Settings" duration="1:15" description="This video shows how to navigate to an MCR in the Megaport Portal and review its configuration settings, including NAT filters and route filtering." />

<Video url="https://youtu.be/z7EBbhKV8pA" text="How to Check the MCR Status" duration="1:06" description="This video shows how to check the status of an MCR from the Services page in the Megaport Portal, using the icon indicators." />

<Video url="https://youtu.be/5Xm8mFD1MBg" text="Troubleshooting VXC Connectivity" duration="12:16" description="This video shows how to check VXC status from the Services page and diagnose connectivity issues between endpoints." />

## Troubleshooting actions

| **Action**                                          | **Steps**                                                                                                                                                                                                                                                                                                                                                                           |
| :-------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Check Network Address Translation (NAT) filters** | Review your <Gloss term="NAT" anchor="nat" /> filters to ensure that they are preventing incoming traffic from interfering with your internet and network. Ensure that NAT filtering is active on your routers. For more information, see [How MCR Performs NAT](/mcr/mcr-nat).                                                                                                     |
| **Check route filters**                             | Ensure your route filters are working as expected. <br />Route filtering provides selective control over which networks are discoverable between Border Gateway Protocol (BGP) neighbor routers. Route filtering is configured to influence the routing path and manage redundancy while improving security. For more information, see [MCR Route Filtering](/mcr/route-filtering). |
| **Verify MCR settings from the Megaport Portal**    | Verify your MCR settings from the Megaport Portal. For more information, see the How to Check MCR Settings video above.                                                                                                                                                                                                                                                             |

## Next steps

If the troubleshooting actions do not resolve your issue, contact support. Before contacting support for assistance, collect the details of all troubleshooting steps. For example, if loopbacks were placed, note where they were located and their direction.

<Note>
  For more information about when a field service technician is needed onsite at the data center, see [Customer Field Services](/finance/customer-field-services).
</Note>