Verilink 9000 Series (34-00271) Product Manual Manual de usuario Pagina 233

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Configuration / Operation
211
Call Request Timer
The value in this field is the amount of time, in seconds, the unit waits after sending
a call request before sending a clear request. The selections are 1 to 255, 15
.
Reset Request Timer
The value in this field is the amount of time, in seconds, the unit waits after
sending a reset request before declaring a channel failure. The selections are 1to
255, 15
.
Recovery Counter
This counter indicates the maximum number of times a reset and clear procedure is
attempted before a failure is detected. The selections are 1 to 255, 3
.
Postpone Timer
The postpone timer is the maximum amount of time a unit waits to send a RR (receiver
ready) packet. If a data packet becomes ready for transmission before the timer expires,
the RR is piggybacked with the data packet. The selections are 0 to 512, 1
.
VC Modulo
The value in this field determines the numbering scheme for packets at Layer 3. A
value of 8 causes a numbering sequence of 0 to 7 while a value of 128 causes a
sequence of 0 to 127. The units on each end of the link must be set for the same
modulo. The selections are 8
and 128.
VC Window
The window parameter specifies the maximum number of unacknowledged packets
possible for any individual Layer 3 connection. The selections are 1 to 7
if the VC
Modulo is 8 and 1 to 127, 7
, if the VC Modulo is 128.
Number of VC
The Number of VC represents the total number of virtual circuits that are needed
on this port. The selections are 0 to 512, 64
.
Clear Request Timer
The value in this field is the amount of time, in seconds, the unit waits after
sending a clear request before declaring a channel failure. The selections are 1 to
255, 15
.
Data ACK Timeout
This timer specifies the amount of time a unit waits to receive an acknowledgment
to a transmitted message. If the timer expires before a response is received, the
channel is reset and the message is re-transmitted. The timer is required since a
frame relay network can throw away frames without notifying the sender of their
elimination. The selections are 0 to 512, 60
.
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