3Com CoreBuilder 3500, Command Reference Manual

Page: 243 / 784

fddi port lerCutoff 243
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fddi port lerCutoff Sets the link error rate estimate at which a link connection is disabled.
When the lerCutoff value is reached, the PHY that detected a problem is
disabled.
Valid Minimum Abbreviation
fd po lerC
Important Considerations
■
The lerCutoff value must be lower than the lerAlarm value so that the
network management software is alerted to a problem before the PHY
(port) is actually removed from the network.
■
Set the lerCutoff below these values so that a port is removed only as
a last resort. The SMT Standard recommended value is 7.
■
The lerCutoff value is expressed as an exponent (such as 1 x 10 -10 ). A
healthy network has an LER exponent between 1 x 10 -10 and 1 x 10 -15 .
■
You can use this command to configure the same setting on multiple
ports simultaneously. When you specify multiple port numbers, the
system prompts you to choose the setting and then applies it to all of
the ports.
Options
Prompt Description Possible Values [Default]
Ports One or more FDDI station ports
for which you want to set the
port lerCutoff
■
Any of the
available ports
on the installed
FDDI modules
■
all
–
lerCutoff Link error rate estimate at
which a link connection is
disabled 4 – 15 4