Which speed and duplex settings should I use? Print

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In short: Unless your order states otherwise, colocation network ports operate at 1 Gbit/s, full duplex and support auto-negotiation.

Recommended setting

Leave the server or switch interface set to auto-negotiate. This allows both ends to agree speed and duplex correctly and is normally the safest configuration.

Legacy equipment

The port may negotiate a lower speed or half duplex where legacy equipment requires it. Avoid forcing only one side of the link, because a duplex mismatch can cause packet loss, errors and very poor performance even though the link appears up.

If the link is not working correctly

  • Check the physical link light and use a known-good cable.
  • Confirm the interface is enabled and set to auto-negotiate.
  • Review the interface counters for CRC errors, drops or repeated link changes.
  • Check that the configured VLAN and IP details match your service handover.
Need us to check the switch port? Include the service identifier, device MAC address, interface settings, and the time the problem was observed in your support ticket.

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