27.1.3 Support Specifications
The following table describes the items and specifications supported by the Ring Protocol.
|
Item |
Description |
|
|---|---|---|
|
Applicable layer |
Layer 2 |
OK |
|
Layer 3 |
NG |
|
|
Ring configuration |
Single ring |
OK |
|
Multi-ring |
Y (including multi-ring configurations with shared links) |
|
|
Node |
Master nodes |
NG |
|
Transit node |
OK |
|
|
Shared node |
NG # |
|
|
Maximum number of ring IDs per switch |
24 |
|
|
Ring ports (number of ports per ring ID) |
2 (physical ports or link aggregations) |
|
|
Number of VLANs |
Number of control VLANs per ring ID |
1 (default VLAN cannot be set) |
|
Maximum number of VLAN groups for data transfer per ring ID |
2 |
|
|
Maximum number of VLAN mappings per VLAN group for data transfer |
128 |
|
|
Maximum number of VLANs per VLAN mapping |
1023 |
|
|
Health-check frame sending interval |
Depends on master node |
|
|
Fault monitoring time |
Depends on master node |
|
|
Load balancing method |
Depends on master node |
|
|
Multi-fault monitoring functionality |
Number of multi-fault monitoring-enabled rings per switch |
4 |
|
Number of multi-fault monitoring VLANs per ring ID |
1 (default VLAN cannot be set) |
|
|
Multi-fault monitoring frame sending interval |
Depends on shared node |
|
|
Multi-fault monitoring time |
Depends on shared node |
|
Legend: OK: Supported, NG: Not supported
#: A node in a shared link (non-end node) in a multi-ring configuration is a shared node, but it can operate the same as a transit node.