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4. Configuration Options
4-12 December 2002 9700-A2-GB20-20
LMI Status Enquiry (N1)
Possible Settings: 1 – 255
Default Setting: 6
Configures the LMI-defined N1 parameter, which sets the number of status enquiry polling
cycles that the user side of the LMI initiates before a full status enquiry is initiated. Applies
to the user side of a UNI only.
1 – 255 – Specifies the number of status enquiry polling cycles that can be initiated before
a full status enquiry is initiated.
LMI Heartbeat (T1)
Possible Settings: 5, 10, 15, 20, 25, 30
Default Setting: 10
Configures the LMI-defined T1 parameter with the number of seconds between the
initiation of status inquiry messages on the user side of the LMI. Applies to the user side
of a UNI only.
5 – 30 – Specifies the number of seconds between the initiation of status inquiry
messages in increments of 5 seconds.
LMI Inbound Heartbeat (T2)
Possible Settings: 5, 10, 15, 20, 25, 30
Default Setting: 15
Configures the LMI-defined T2 parameter with the number of seconds between the receipt
of status enquiry messages on the network side of the LMI. Applies to the network side of
a UNI only.
5 – 30 – Specifies the number of seconds between the receipt of status enquiry messages
in increments of 5 seconds.
LMI N4 Measurement Period (T3)
Possible Settings: 5, 10, 15, 20, 25, 30
Default Setting: 20
Configures the LMI-defined T3 parameter with the time interval in seconds that the LMI
network side uses to measure the maximum number of status enquiry messages that
have been received (N4) from the user side. Applies to the network side of a UNI only.
5 – 30 – Specifies the interval of time in increments of 5 seconds.
Table 4-2. CSU/DSU Frame Relay and LMI Options (3 of 3)