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Networking Screens A Screens Reference
Administration for Network Connectivity
CID: 77730 555-233-504 — Issue 1 — April 2000
270
Error Logging? Used to record X.25 protocol errors in the hardware error log.
Permanent Virtual
Circuit?
Indicates that the logical channels for PVC are allowed for this port; default is y
(cannot be changed).
Switched Virtual
Circuit?
Indicates that the Switched Virtual Circuit is not allowed for this port; default is n
(cannot be changed).
Highest PVC Logical
Channel
Indicates that 1 to 64 Logical Channels are allowed on this port.
Data Module - type x.25 (Page 2)
Number of Outstanding
Frames (w)
Specifies layer 2 window size (1–7 frames). If the value is 2, up to 2 frames can be
sent without confirmation. Default is 4.
Valid Value Usage
y/n Set to
n for normal operations. Set to y for testing.
Valid Value Usage
y/n
Default is y.
Valid Value Usage
y/n
Default is n.
Valid Value Usage
1-64
default is 64
Leave at 64 for normal operations.
Page 2 of 2
DATA MODULE
LAYER 2 PARAMETERS
Number of Outstanding Frames (w): 4
Retry Attempt Counter (N2): 2
Frame Size (N1): 135
Retransmission (T1) Timer (1/10 seconds): 10
Idle (T4) Timer (1/10 seconds): 30
LAYER 3 PARAMETERS
Number of Outstanding Packets: 2
Restart (T20) Timer (seconds): 8
Reset (T22) Timer (seconds): 10