
Configuring FDDI Services
305259-A Rev 00
3-23
Editing FDDI Port Attributes
Port attributes report the connection capabilities of a FDDI port, including the link
error rate (LER).
A status report frame (SRF) can contain link error monitoring (LEM) status
indicating the number of times that a link has been rejected. This is used to keep
track of the link error rate (LER).
You can configure the LER by:
• Specifying the LER cutoff
• Specifying the LER alarm rate
Specifying the LER Cutoff
The LER cutoff is an estimate at which a link connection will be broken. The LER
cutoff ranges from 10
-4
to 101
-5
and is reported as the absolute value of the base 10
logarithm. By default, the LER cutoff is 10
-7
.
To set the LER cutoff, complete the following tasks:
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose a
FDDI
Connector.
The Edit Connector window opens.
2. Choose
Edit Line
. The Edit FDDI Parameters window
opens.
3. Choose
Expert
. The FDDI Advanced Attributes window
opens.
4. Choose
Port Attributes
. The FDDI Port Attributes window opens.
5. Set the
LER Cutoff
parameter. Click on
Help
or see the parameter description on
page A-12
.
6. Click on
OK
. You return to the FDDI Advanced
Attributes window.
7. Click on
Done
. You return to the Edit Connector window.
8. Click on
Done
. You return to the Configuration Manager
window.
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