Configuring EAIS

Follow these guidelines when you configure EAIS on a MEP:

• You can configure EAIS on a device that does not support or is not configured with CFD. However, EAIS must collaborate with the CFD function in the network, so you must configure CFD in the network.

• You can configure EAIS on the member port of an aggregation group, but the configuration does not take effect. If you configure EAIS on the port and then add it to an aggregation group, the EAIS configuration immediately fails to take effect. After the port leaves the aggregation group, the EAIS configuration takes effect.

• If the intersection of the configured VLANs where the EAIS frames can be transmitted and the VLANs to which the port belongs is empty, no EAIS frame is sent. If the intersection contains more than 70 VLANs and the EAIS frame transmission interval is 1 second, the CPU usage will be too high. As a best practice, set the EAIS frame transmission interval to 60 seconds in this case.

1. Enter system view.

   system-view

2. Enable port status-AIS collaboration.

   cfd ais-track link-status global

   By default, port status-AIS collaboration is disabled.

3. Enter Layer 2 Ethernet interface view or Layer 2 aggregate interface view.

   interface interface-type interface-number

4. Configure the EAIS frame transmission level.

   cfd ais-track link-status level level-value

   By default, the EAIS frame transmission level is not configured.

5. Configure the EAIS frame transmission interval.

   cfd ais-track link-status period period-value

   By default, the EAIS frame transmission interval is not configured.

6. Specify the VLANs where the EAIS frames can be transmitted.

   cfd ais-track link-status vlan vlan-list

   By default, the EAIS frames can only be transmitted within the default VLAN of the port.

   The EAIS frames are transmitted within the intersection of the VLANs specified with this command and the existing VLANs on the device.