Command Reference Guide

210 ● lapd modulo 3Com Router 5000 Family and Router 6000 Family
Command Reference
lapd modulo
Purpose Use the lapb modulo command to specify the LAPB frame numbering view (also
called modulo). Use the
undo lapb modulo command to restore the default
value.
Syntax lapb modulo { 128 | 8 }
undo lapb modulo
Parameters 12
Using modulus 128 numbering view.
8
Using modulus 8 numbering view.
Default By default, the LAPB frame protocol view is modulo 8.
Example Set the LAPB frame numbering view on Serial0/0/0 to modulo 8.
[3Com-Serial0/0/0] lapb modulo 8
View This command can be used in the following views:
■ Interface view
Description There are two LAPB frame numbering views: modulo 8 and modulo 128. Each
information frame (I frame) is numbered in sequence, in the range 0 to the modulo
minus 1. In addition, sequential numbers will cycle within the range of modulo.
Modulo 8 is a basic view, LAPB can implement all the standards via the view. It is
sufficient for most links.
Related Command lapb window-size