Lapb Window-Size; Link-Protocol Lapb - HP MSR series Command Reference Manual
Layer 2 wan
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Also See for MSR series:
- Configuration manual (889 pages) ,
- Command reference manual (684 pages) ,
- Wan access configuration manual (293 pages)
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retransmission timer. When the number of transmission attempts exceeds the LAPB N2 parameter,
the link is re-negotiated. To disable the T4 timer, set it to zero.
Examples
# Set the LAPB timer T1 on Serial 2/0 to 2000 milliseconds.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] lapb timer t1 2000
lapb window-size
Use lapb window-size to configure the LAPB window parameter K.
Use undo lapb window-size to restore the default.
Syntax
lapb window-size k-value
undo lapb window-size
Default
The LAPB window parameter K is 7.
Views
Interface view
Default command level
2: System level
Parameters
k-value: Maximum number of sequence numbered frames to be acknowledged by DTE or DCE during
any specified time. If the modulo is 8, the value of the window parameter K is in the range of 1 to 7. If
the modulo is 128, the value of the window parameter K is in the range of 1 to 127.
Examples
# Set the LAPB window parameter K on the interface Serial 2/0 to 5.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] lapb window-size 5
Related commands
lapb modulo
link-protocol lapb
Use link-protocol lapb to specify the link layer protocol of the interface as LAPB.
Syntax
link-protocol lapb [dce | dte ] [ ip | multi-protocol ]
Default
The link layer protocol of an interface is PPP.
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