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35 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 128: ERPS Commands
Command Function Mode
erps Enables ERPS globally on the switch GC
erps domain Creates an ERPS ring and enters ERPS configuration mode GC
control-vlan Adds a Control VLAN to an ERPS ring ERPS
enable Activates the current ERPS ring ERPS
guard-timer Sets the timer to prevent ring nodes from receiving outdated
R-APS messages
ERPS
holdoff-timer Sets the timer to filter out intermittent link faults ERPS
major-domain Specifies the ERPS ring used for sending control packets ERPS
meg-level Sets the Maintenance Entity Group level for a ring ERPS
mep-monitor Specifies the CCM MEPs used to monitor the link on a ring node ERPS
node-id Sets the MAC address for a ring node ERPS
non-erps-
dev-protect
Sends non-standard health-check packets when in protection
state
ERPS
non-revertive Enables non-revertive mode, which requires the protection state
on the RPL to manually cleared
ERPS
propagate-tc Enables propagation of topology change messages from a
secondary ring to the primary ring
ERPS
raps-def-mac Sets the switch’s MAC address to be used as the node identifier
in R-APS messages
ERPS
raps-without-
vc
Terminates the R-APS channel at the primary ring to sub-ring
interconnection nodes
ERPS
ring-port Configures a node’s connection to the ring through the east or
west interface
ERPS
rpl neighbor Configures a ring node to be the RPL neighbor ERPS
rpl owner Configures a ring node to be the RPL owner ERPS
version Specifies compatibility with ERPS version 1 or 2 ERPS
wtr-timer Sets timer to verify that the ring has stabilized before blocking
the RPL after recovery from a signal failure
ERPS
clear erps
statistics
Clears statistics, including SF, NR, NR-RB, FS, MS, Event, and
Health protocol messages
PE
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