
65
ID:
Ring ID.
Version:
which version of this ring, this field could be Rapid Super Ring, or Super Chain
Role:
This Switch is RM or nonRM
Status:
If this field is Normal which means the redundancy is approved. If any one of the
link in this Ring is broken, then the status will be Abnormal.
RM MAC:
The MAC address of Ring Master of this Ring. It helps to find the redundant
path.
Blocking Port:
This field shows which is blocked port of RM.
Role Transition Count:
This means how many times this switch has changed its Role from
nonRM to RM or from RM to nonRM.
Role state Transition Count
: This number means how many times the Ring status has
been transformed between Normal and Abnormal state.
4.4.9
ERPS Configuration:
Ethernet Ring Protection Switching, or ERPS, is an effort at ITU-T under G.8032
Recommendation to provide sub-50ms protection and recovery switching for Ethernet traffic
in a ring topology and at the same time ensuring that there are no loops formed at the
Ethernet layer.