Specifications

Chapter 7: Repeater MIB

7-12 ATX MIB Reference Guide

rptrMonitorPortVeryLongEvents {rptrMonitorPortEntry 12}

Counter Read-Only

This counter is incremented by one for each CarrierEvent on this port whose

ActivityDuration is greater than the MAU Jabber Lockup Protection timer TW3

(Ref 9.6.1 & 9.6.5, IEEE 802.3 Std). Other counters may be incremented as

appropriate.

rptrMonitorPortDataRateMismatches {rptrMonitorPortEntry 13}

Counter Read-Only

This counter is incremented by one for each frame received on this port that

meets all of the following conditions: a) The CollisionEvent signal is not

asserted. b) The ActivityDuration is greater than ValidPacketMinTime. c) The

frequency (data rate) is detectably mismatched from the local transmit frequency.

The exact degree of mismatch is vendor speciﬁc and is to be deﬁned by the

vendor for conformance testing. When this event occurs, other counters whose

increment conditions were satisﬁed may or may not also be incremented, at the

implementor’s discretion. Whether or not the repeater was able to maintain data

integrity is beyond the scope of this standard.

This is polled from the RIC event-record-register ELBER (elasticity buffer error)

bit, ten times per second. As such, it is subject to under-counting.

rptrMonitorPortAutoPartitions {rptrMonitorPortEntry 14}

Counter Read-Only

This counter is incremented by one for each time the repeater has automatically

partitioned this port. The conditions that cause port partitioning are speciﬁed in

the partition state machine in Section 9 (IEEE 802.3 Std). They are not

differentiated here.

This is polled from the RIC event-record-register PART bit, ten times per second.

As such, it is subject to under-counting.