
Customizing LAN Interfaces
115391-A Rev. A 3-15
Figure 3-7. Range of Values for FDDI Path Attributes
To edit the path attributes for an FDDI line:
1. Click on Expert at the Edit FDDI Parameters window.
The FDDI Advanced Attributes window appears (see F
igure 3-4).
2. Click on Path Attributes.
The FDDI Path Attributes window appears.
Specifying the Requested TTRT
The Requested TTRT value must be
• Greater than the minimum Valid Transmission Time (TVX), specified with the
TVX Lower Bound parameter
• Less than or equal to the maximum TTRT (T_Max Lower Bound parameter).
Refer to F
igure 3-7 for the valid range of values for Requested TTRT, in relation
to the other TTRT parameters.
Caution: Be extremely careful when editing FDDI path parameters such as
Requested TTRT. You should change the default values only if the network is
part of a production or other specialized environment that requires
customizing the parameters.
Site Manager: Requested TTRT (ms) parameter: page A-10
0 ms
2.5 ms
1336.9344 ms
TVX
lower
bound
T_Max lower bound
Requested TTRT
LS0015A
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