CLI Reference Guide-R04

– 545 –
21 ERPS Commands
The G.8032 recommendation, also referred to as Ethernet Ring Protection
Switching (ERPS), can be used to increase the availability and robustness of
Ethernet rings.
This chapter describes commands used to configure ERPS.
Table 98: ERPS Commands
Command Function Mode
erps Enables ERPS globally on the switch GC
erps node-id Sets the MAC address for a ring node GC
erps vlan-group Creates ERPS VLAN groups to assign to rings or instances GC
erps ring Creates a physical ERPS ring and enters ERPS Ring Configuration
mode
GC
erps instance Creates an ERPS instance and enters ERPS Instance
Configuration mode
GC
ring-port Configures a node’s connection to the ring through the east or
west interface
ERPS Ring
exclusion-vlan Specifies the VLANS to be excluded from the ERPS protec tion
ring.
ERPS Ring
enable (ring) Activates the current ERPS ring ERPS Ring
enable (instance) Activates the current ERPS instance ERPS Inst
meg-level Sets the Maintenance Entity Group level for a ring ERPS Inst
control-vlan Adds a Control VLAN to an ERPS ring ERPS Inst
rpl owner Configures a ring node to be the RPL owner ERPS Inst
rpl neighbor Configures a ring node to be the RPL neighbor ERPS Inst
wtr-timer Sets timer to verify that the ring has stabilized before blocking
the RPL after recovery from a signal failure
ERPS Inst
guard-timer Sets the timer to prevent ring nodes from receiving outdated
R-APS messages
ERPS Inst
holdoff-timer Sets the timer to filter out intermittent link faults ERPS Inst
mep-monitor Specifies the CCM MEPs used to monitor the link on a ring node ERPS Inst
major-ring Specifies the ERPS ring used for sending control packets ERPS Inst
propagate-tc Enables propagation of topology change messages from a
secondary ring to the primary ring
ERPS Inst
bpdu-tcn-notify Enables the transmission of TCN BPDUs on an EPRS instance ERPS Inst