Teldat Dm709-I User Manual page 42

6 LLC Monitoring
Cumulative number of sessions:
Number of active sessions:
Session ID
(int-sap-id)
00-04-000c
ethernet0/0 LLC+
The meaning of each field is:
SAP value in hex(0-FE)
Interface
Reply Timer(T1)
Receive ACK Timer(T2)
Inactivity Timer(Ti)
MAX Retry Value(N2)
MAX I-Field Size(N1)
Rcvd I-frames before Ack(N3)
Transmit Window Size(Tw)
Acks Needed to Inc Ww(Nw)
Frame Type (Xmt, Rcvd)
I-frames Discarded by LLC
I-frames Refused by LLC user
Cumulative number of sessions Sessions opened over this session SAP.
Number of active sessions
Session ID (int-sap-id)
Local MAC
Remote MAC
Remote SAP
Remote State
Defined state(s) that result from the interaction of LLC peers. There are 21 states, described below:
LINK_CLOSED
DISCONNECTED
LINK_OPENING
DISCONNECTING
FRMR_SENT
LINK_OPENED
LOCAL_BUSY
REJECTION
CHECKPOINTING
CKPT_LB
CKPT_REJ
RESETTING
REMOTE_BUSY
LB_RB
REJ_LB
REJ_RB
CKPT_REJ_LB
36
13
1
Local MAC Remote MAC
00:05:24:a7:a3:99 00:05:24:3e:d7:28
SAP value for the session (hexadecimal value).
Number and type of interface the session is running over.
Time it takes for this timer to time out when LLC fails to receive an acknowledg-
ment or response from the other LLC station.
Time delay LLC uses before sending an ACK for a received I-frame.
Time the LLC waits during inactivity before issuing an RR.
Maximum number of retries by the LLC protocol.
Data (in bytes) allowed in the I-field for an LLC2 frame.
Value used with T2 timer to reduce acknowledgment traffic for received I-frames.
I-frames that can be sent before receiving an RR.
I-frames the LLC must receive before incrementing Ww by 1.
Frame types transmitted (Xmt) and received (Rcvd).
I-frames discarded by the LLC, usually because the sequence number is out of se-
quence.
I-frames discarded by the software above the LLC. For example: LNM (LAN Net-
work Manager) and DLSw (Data Link Switching).
Currently active sessions running over the interface.
Session ID for the interface.
Router's LLC MAC address.
Remote router's LLC MAC address.
Remote router's SAP address for the LLC connection.
The remote LLC peer is not known to the local LLC peer and is considered non-
existent.
The local LLC peer is known to the other peer. This LLC peer can send and re-
ceive xid, test sabme and disc commands and XID TEST, UA, and DM re-
sponses.
State of the local LLC peer after sending an SABME or UA in response to a re-
ceived SABME.
State of the local LLC after sending a disc command to the remote LLC peer.
Local LLC peer has entered the frame reject exception state and has sent an
FRMR response across the link.
Local LLC peer is in a data transfer phase.
Local LLC peer is unable to receive additional I-frames.
Local LLC peer has received one or more out-of-sequence I-frames.
The local LLC peer has sent a poll to the remote LLC peer and is waiting for an
appropriate response.
Combination of checkpointing and local busy states.
Combination of checkpointing and rejection states.
Local LLC peer has received an SABME and is reestablishing the link.
Resulting state when an RNR is received from the remote LLC peer.
Combination of Local_Busy and Remote_Busy states.
Combination of rejection and Local_Busy states.
Combination of rejection and Remote_Busy states.
Combination of checkpointing, rejection, and Local_Busy states.
Remote
SAP State
04 LINK_OPENED
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LAN Interfaces