3Com Router 3031, Command Reference Manual

Page: 520 / 838

520 C
HAPTER
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ETWORK
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ROTOCOL
Description
Using the llc2 modulo command, you can configure the modulus of the LLC2.
Using the undo llc2 modulo command, you can restore the default modulus of the
LLC2.
By default, the modulus of the LLC2 is 128.
LLC2, like X25, adopts modulus mode to number information packets, and the
modulus of LLC2 is 8 or 128. Ethernet generally uses modulus 128.
Example
Restore the default modulus of the LLC2.
[3Com-Ethernet1/0/0] undo llc2 modulo
llc2 receive-window
Syntax
llc2 receive-window length
undo llc2 receive-window
View
Ethernet Interface view
Parameter
■
length: Length of the local response window, ranging from 1 to 127.
Description
Using the llc2 receive-window command, you can configure the maximum packets
that can be sent before the LLC2 receives the acknowledgement frame. Using the
undo llc2 receive-window command, you can restore the default value of the
maximum packets that can be sent before the acknowledgement frame is
received.
By default, the length of the LLC2 local response window is 7.
The LLC2 local response window refers to the maximum packets that can be sent
continuously before the acknowledgement frame is received.
Example
Configure the maximum packets that can be sent before the LLC2 receives the
acknowledgement frame as 10.
[3Com-Ethernet1/0/0] llc2 receive-window 10
llc2 timer ack
Syntax
llc2 timer ack mseconds
undo llc2 timer ack
View
Ethernet Interface view
Parameter
■
mseconds: LLC2 local response time, ranging from 1 to 60000ms.