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Configuring LLC2 Properties
For basic DLSw configuration, include the llc2 statement at the [edit interfaces interface-name unit logical-unit-number family] hierarchy
level. All other LLC2 statements that follow are optional and should
be used only if recommended by support or a services professional
to solve specific problems or for specific network designs.
To configure logical link control properties, include
the llc2 statement:
-
llc2 {
-
ack-delay-time time;
-
ack-max count;
-
idle-time time;
-
local-window count;
-
max-retry count;
-
p-bit-timeout time;
-
t1-time time;
-
t2-time time;
-
trej-time time;
- }
You can include this statement at the following hierarchy
levels:
-
[edit interfaces interface-name unit logical-unit-number family]
-
[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number family]
You can configure the following LLC options:
-
ack-delay-time—The maximum time
allowed for incoming Information-frames (I-frames) to remain unacknowledged.
Specify the number of milliseconds from 1 through 60000. The default
value is 100 milliseconds.
-
ack-max—The maximum number
of I-frames received before acknowledgment is sent. Specify the number
of I-frames from 1 through 127.The default value is three I-frames.
-
idle-time—The number of
seconds that a TCP connection between DLSw peers will stay up without
any circuit using the connection. Specify the number of seconds from
1 through 60000. The default value is 10 seconds.
-
local-window—The maximum number
of I-frames to send before waiting for acknowledgment. Specify the
number of I-frames from 1 through 127. The default value is 7 I-frames.
-
max-retry—The number of
retries the router should attempt when waiting for a response. Specify
the number of I-frames from 1 through 127. The default value is 10
I-frames.
-
p-bit-timeout—The length of
time the router waits for response to a poll bit. Specify the number
of milliseconds from 1 through 60000. The default value is 3000 milliseconds.
-
t1-time—The length of
time the router waits for an acknowledgment of transmitted frames.
Specify the number of milliseconds from 1 through 60000. The default
value is 1000 milliseconds.
-
t2-time—The length of
time the router withholds the I-frame response. Specify the number
of milliseconds from 1 through 60000. The default value is 100 milliseconds.
-
trej-time—Q.391-specific
timer for T310, in seconds. Specify the number of milliseconds from
1 through 60000. The default value is 3000 milliseconds.
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