User's Manual

Table Of Contents
103
Users Manual of CS-6306R
5.2.7 Configuring the Size of Window for Resending
The command is
Command Purpose
[no] llc2 local-window packet-count
Used for controlling the maximum size of I frame send (namely the
size of window for resend) when I frame is not confirmed. The
command “no” can be used for restoring to the default value.
packet-count: The maximum size of I frame send. The maximum
is 127, the minimum is 1 and the default is 7.
Configuration mode: Interface configuration
When one end of LLC2 link sends data to the opposite end, it can only send a
certain amount of data before waiting for the acknowledgement of the opposite end.
The command is used for setting the maximum value. When the set value is too big,
it may lead to the loss of data because the opposite end is not able to receive all the
data.
Example: Setting the size of send window as 12.
int ethernet 1/1
llc2 local-window 12
5.2.8 Configuring the Size of Accumulated Data Packet
The command is
Command Purpose
[no] llc2 holdqueue [packet-count]
Used for controlling the maximum local accumulated size of data
packet when I frame (the remote end is busy) cannot be sent. The
command “no” can be used for restoring to the default value.
packet-count: The maximum size of data packets reserved by I
frame when I frame is not confirmed.
Configuration mode: Interface configuration
When the opposite end is busy, one end of LLC2 link is not able to send data (I
frame). All the data will be reserved before the busyness of the opposite end is
cleared. But the reserved amount is limited. The command is used for setting the
data amount to be reserved.
Example: Setting maximum data amount to be reserved as 120.
int ethernet 1/1
llc2 holdqueue 120