434 CHAPTER 26: LAPB AND X.25 CONFIGURATION COMMANDS
lapb modulo
Syntax lapb modulo { 8 | 128 }
undo lapb modulo
View Interface view
Parameter 8: Modulo 8.
128: Modulo 128.
Description Use the
lapb modulo command to specify the LAPB modulo.
Use the
undo lapb modulo command to restore the default.
The default is modulo 8.
There are two LAPB frame numbering modes: modulo 8 and modulo 128. Each
frame (I frame) is numbered in sequence, in the range 0 to the modulo minus 1.
Sequence numbers will cycle within the range.
Modulo 8 is the basic mode. It is sufficient for most links.
Related command: lapb window-size.
Example # Set the LAPB frame numbering mode on Serial2/0 to modulo 8.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] lapb modulo 8
lapb retry
Syntax lapb retry n2-value
undo lapb retry
View Interface view
Parameter n2-value: Value of LAPB N2, indicating the maximum retries that a DCE or DTE
sends one frame to DTE or DCE. The value ranges from 1 to 255.
Description Use the
lapb retry command to configure LAPB parameter N2.
Use the
undo lapb retry command to restore the default.
The default is 10.
