Monitoring LLC

Frame

Xmt

Rcvd

UI-frames

4

5

TEST-frames

0

1

XID-frames

0

0

I-frames

291

26

RR-frames

81

291

RNR-frames

0

0

REJ-frames

0

0

SABME-frames

1

0

UA-frames

0

1

DISC-frames

0

0

DM-frames

0

0

FRMR-frames

0

0

I-frames discarded by LLC

 

0

I-frames Refused by LLC user

 

0

Cumulative number of sessions

 

1

Number of active sessions

 

1

Session ID

 

 

Remote

 

(int-sap-id)

Local MAC

Remote MAC

SAP

State

00F40000

00:00:C9:08:41:DB

10:00:5A:F1:02:37

F4

OPENED

SAP value in hex (0FE)

The SAP value of the session.

Interface

The interface number and type over which the session is running.

Reply Timer (T1)

Indicates the time it takes for this timer to expire when the LLC fails to receive an acknowledgment or response from the other LLC station.

Receive ACK Timer (T2)

Indicates the time delay the LLC uses before sending an acknowledgment for a received I-frame.

Inactivity Timer (Ti)

Indicates the time the LLC waits during inactivity before issuing an

RR.

MAX Retry Value (N2)

The maximum number of retries by the LLC protocol.

MAX I-®eld Size (N1)

Maximum amount of data (in bytes) allowed in the I-®eld of an

LLC2 frame.

Rcvd I-frame before ACK (N3)

Indicates the value that is used with T2 timer to reduce acknowledgment traffic for received I-frames.

Transmit Window Size (Tw)

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

Acks Needed to Inc Ww (Nw)

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

Frames Xmt and Rcvd

Counter that displays the total number of frame types transmitted (Xmt) and (Rcvd).

I-frames discarded by LLC

Counter that displays the total number of I-frames discarded by the

LLC, usually because the sequence number is out of sequence.

240MRS V3.2 Software User's Guide

Page 276
Image 276
IBM SC30-3681-08 manual SAP value in hex 0FE, MAX I-eld Size N1, Rcvd I-frame before ACK N3, Transmit Window Size Tw