
Communication Layers' Attributes
Appendix D
D-11
Network-Layer Counters:
Description:
NPDU Received
A count of the number of NPDU's received by this network
entity.
NPDU Sent
A count of the number of NPDU's sent by this network entity.
Byte Sent
A count of the number of bytes sent by this network entity.
Byte Received
A count of the number of bytes received by this network entity
The following table lists the LLC (Logical Link Control)–Layer counters
for the OSI coprocessor.
LLC-Layer Counters:
Description:
Number of Messages Received
The number of Link Layer messages (packets) received by this
entity
Number of Messages Sent
The number of Link Layer messages (packets) sent out by this
entity.
Number of Received Errors
The number of Link Layer messages received that contained
some form of error such as a CRC error.
Number of Send Errors
The number of Link Layer messages that could not be sent
due to some form of error such as a CRC error.
Number of Rcv Buffer Overflows
The number of received Link Layer messages that could not be
accepted because of local buffer congestion problems.
Test Commands Received
The number of LLC Type 1 TEST commands received by this
entity.
Test Responses Sent
The number of LLC Type 1 TEST responses (to previous TEST
requests) sent out by this entity.
XID Commands Received
The number of LLC Type 1 XID commands received by this
entity.
XID Responses Sent
The number of LLC Type 1 XID responses (to previous XID
requests) sent out by this entity.
Frames Discarded - Inactive LSAP
A count of the number of received Link Layer messages that
could not be accepted because the Link Layer Service Access
Point (LSAP) was not activated.
Frames Discarded - Illegal PDU Type
A count of the number of received Link Layer messages that
could not be accepted because the command type was illegal
or not supported by this entity.
LLC-Layer Counters
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