CLI Reference Guide-R01

Chapter 21 | ERPS Commands
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no meg-level
level - The maintenance entity group (MEG) level which provides a
communication channel for ring automatic protection switching (R-APS)
information. (Range: 0-7)
Default Setting
1
Command Mode
ERPS Instance Configuration
Command Usage
◆ This parameter is used to ensure that received R-APS PDUs are directed for this
instance. A unique level should be configured for each local instance if there
are many R-APS PDUs passing through this switch.
Example
Console(config-erps)#meg-level 0
Console(config-erps)#
control-vlan This command specifies a dedicated VLAN used for sending and receiving ERPS
protocol messages. Use the no form to remove the Control VLAN.
Syntax
control-vlan vlan-id
no control-vlan
vlan-id - VLAN ID (Range: 1-4094)
Default Setting
None
Command Mode
ERPS Instance Configuration
Command Usage
◆ The Control VID must be included in one of inclusion VLAN groups.
◆ Configure one control VLAN for each ERPS instance. First create the VLAN to be
used as the control VLAN (vlan, page 532), add the VLAN to an ERPS VLAN
group (erps vlan-group), add the ring ports for the east and west interface as
tagged members to this VLAN (switchport allowed vlan, page 535), and then
use the control-vlan command to add it to the ERPS instance.
◆ The following restrictions are recommended to avoid creating a loop in the
network or other problems which may occur under some situations: