7 • Ethernet
T1/E1 DACS Administrators’ Reference Guide
46
Introduction
Introduction
The DACS provides management and statistical information in the
Ethernet
window (see figure 16). Most of
the descriptions for these MIB variables are from RFC 1643. Detailed information regarding the SNMP MIB
II variables may be downloaded from
RFC 1643, Definitions of Managed Objects for the Ethernet-like Interface
Types
.
Figure 16. Ethernet window
Click on
Ethernet
under the
Configuration Menu
to monitor Ethernet statistics.
Ethernet statistics
Alignment Errors (dot3StatsAlignmentErrors)
A count of frames received that are not an integral number of octets in length and do not pass the FCS check.
The count represented by an instance of this object is incremented when the alignmentError status is returned
by the MAC service to the LLC (or other MAC user). Received frames for which multiple error conditions
obtain are, according to the conventions of IEEE 802.3 Layer Management, counted exclusively according to
the error status presented to the LLC.
FCS Errors (dot3StatsFCSErrors)
A count of frames received that are an integral number of octets in length but do not pass the FCS check. The
count represented by an instance of this object is incremented when the frameCheckError status is returned by
the MAC service to the LLC (or other MAC user). Received frames for which multiple error conditions obtain
are, according to the conventions of IEEE 802.3 Layer Management, counted exclusively according to the
error status presented to the LLC."
Single Collision Frames (dot3StatsSingleCollision Frames)
A count of successfully transmitted frames for which transmission is inhibited by exactly one collision. A
frame that is counted by an instance of this object is also counted by the corresponding instance of either the
Summary of Contents for Model 2604
Page 18: ...About this guide T1 E1 DACS Administrators Reference Guide 16...
Page 22: ...1 Introduction T1 E1 DACS Administrators Reference Guide 20 Saving HTTP HTML Object Changes...
Page 46: ...6 Clocking T1 E1 DACS Administrators Reference Guide 44 Configuring the System Clock Settings...
Page 56: ...8 Filter IP T1 E1 DACS Administrators Reference Guide 54 Defining a filter...
Page 80: ...11 TCP T1 E1 DACS Administrators Reference Guide 78 TCP Details...
Page 84: ...12 UDP T1 E1 DACS Administrators Reference Guide 82 Introduction...
Page 90: ...13 RIP Version 2 T1 E1 DACS Administrators Reference Guide 88 RIP Version 2 Statistics...
Page 96: ...14 SNMP T1 E1 DACS Administrators Reference Guide 94 Out...
Page 108: ...15 System T1 E1 DACS Administrators Reference Guide 106 System Packet Holding Message Blocks...
Page 138: ...17 T1 E1 Link T1 E1 DACS Administrators Reference Guide 136 Far End Line Statistics Totals...
Page 148: ...20 License T1 E1 DACS Administrators Reference Guide 146 End User License Agreement...