Associating a ring with a subring

On a multi-ring network, perform this task if you want to advertise topology changes in a subring to a ring.

Perform this task on the interconnection node on an ERPS ring.

1. Enter system view.

   system-view

2. Enter ERPS ring view.

   erps ring ring-id

3. Configure the ERPS ring as a subring.

   ring-type sub-ring

   By default, an ERPS ring is a major ring.

4. Enter ERPS instance view.

   instance instance-id

5. Associate a ring with the subring.

   sub-ring connect ring ring-id instance instance-id

   By default, a subring is not associated with any rings.