Stack disabled-master-monitoring – Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) User Manual
Page 2157
Stacking Commands
Software Reference for x310 Series Switches
C613-50046-01 REV A
AlliedWare Plus
TM
Operating System - Version 5.4.4C
83.17
stack disabled-master-monitoring
This command enables the Disabled Master Monitoring (DMM) feature. If a stack member
becomes a disabled master, the DMM feature will use the stack resiliency link to continue
monitoring the health of the separated stack master.
Use the no variant of this command to disable the DMM feature.
Syntax
stack disabled-master-monitoring
no stack disabled-master-monitoring
Default
By default, Disabled Master Monitoring is enabled. However, it only operates if there is a
resiliency link.
Mode
Global Configuration
Usage
This command enables additional stack resiliency link functionality, which is used if a stack
separation occurs. For DMM to operate, a resiliency link must also be configured (
resiliencylink command on page 83.24
). A stack separation could result in a stack
member becoming a disabled master, which has the configuration as a normal stack
master except that all its switchports are shutdown.
For more information about the disabled master state, see
When the DMM feature is enabled, the disabled master will continue to monitor the
health of the original stack master over the stack resiliency link connection. If the original
stack master were to fail, when the DMM feature is enabled, then the disabled master will
detect this and will automatically re-enable its switchports. This ensures that the stack will
continue to pass network traffic, even if a catastrophic stack failure occurs.
For more information about the DMM feature when the stack member is a disabled
master, see
“Disabled Master Monitoring (DMM)” on page 82.16
.
Examples
To enable the DMM feature, use the following commands:
To disable the DMM feature, use the following commands:
Related Commands
show stack
stack resiliencylink
type stack disabled-master
type stack master-fail
awplus#
configure terminal
awplus(config)#
stack disabled-master-monitoring
awplus#
configure terminal
awplus(config)#
no stack disabled-master-monitoring