IBM SC30-3681-08 manual Conguring LLC

Con®guring LLC

Table 31. LLC Con®guration Command Summary (continued)

Command	Function
Exit	Returns you to the previous command level. See ªExiting a Lower
	Level Environmentº on page 11.

List

Use the list command to display the current con®guration for the LLC.

Syntax: list

Example:

list
Reply Timer (T1):	1	seconds
Receive ACK Timer (T2):	100 milliseconds
Inactivity Timer (Ti):	30 seconds
Max Retry value (N2):	8
Rcvd I-frames before ACK (N3):	1
Transmit Window (Tw):	2
Receive Window (Rw):	2
Acks needed to increment Ww (Nw):	1

Reply Timer (T1)

This timer expires when the LLC fails to receive a required acknowledgment or response from the other LLC station.

Receive ACK Timer (T2)

This timer is used to delay sending of an acknowledgment for a received

I-format frame.

Inactivity Timer (Ti)

This timer expires when the LLC does not receive a frame for a speci®ed time period. When this timer expires the LLC transmits an RR until the other LLC responds or the N2 retry count is exceeded. Default is 30 seconds.

Max Retry value (N2)

The maximum number of retries by the LLC protocol. Default is 8.

Rcvd I-frames before ACK (N3)

This value is used with the T2 timer to reduce acknowledgment traffic for received I-frames. This counter sets a speci®ed value and decrements each time an I-frame is received. When this counter reaches 0 or the T2 timer expires, an acknowledgment is sent. Default is 1.

Receive Window (Rw)

Indicates the maximum number of unacknowledged sequentially numbered

I-frames that an LLC can receive from a remote host.

Transmit Window (Tw)

Indicates the maximum number of I-frames that can be sent before receiving an RR.

Acks needed to increment Ww (Nw)

This ®eld is set to a default value of 1.

236MRS V3.2 Software User's Guide