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Chapter 35: ERPS Commands
major-domain
meg-level
When a new defect or more severe defect occurs (new Signal Failure), this
event will not be reported immediately to the protection switching
mechanism if the provisioned hold-off timer value is non-zero. Instead, the
hold-off timer will be started. When the timer expires, whether a defect still
exists or not, the timer will be checked. If one does exist, that defect will
be reported to the protection switching mechanism. The reported defect
need not be the same one that started the timer.
E
XAMPLE
Console(config-erps)#holdoff-timer 300
Console(config-erps)#
This command specifies the ERPS ring used for sending control packets.
Use the no form to remove the current setting.
S
YNTAX
major-domain name
no major-domain
name - Name of the ERPS ring used for sending control packets.
(Range: 1-32 characters)
D
S
EFAULT
ETTING
None
C
M
OMMAND
ODE
ERPS Configuration
C
U
OMMAND
SAGE
This switch can support up to six rings. However, ERPS control packets
•
can only be sent on one ring. This command is used to indicate that the
current ring is a secondary ring, and to specify the major ring which will
be used to send ERPS control packets.
•
The Ring Protection Link (RPL) is the west port and can not be
configured. So the physical port on a secondary ring must be the west
port. In other words, if a domain has two physical ring ports, this ring
can only be a major ring, not a secondary ring (or sub-domain) which
can have only one physical ring port. This command will therefore fail if
the east port is already configured (see the
E
XAMPLE
Console(config-erps)#major-domain rd0
Console(config-erps)#
This command sets the Maintenance Entity Group level for a ring. Use the
no form to restore the default setting.
– 1055 –
ring-port
command).
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