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Hub statistics menu, Sunnyvale, Table 1: types of ethernet frames(continued) – Allied Telesis AT-S10 TurboStack User Manual

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Management Menus

26

Hub Statistics Menu

When you select

Hub Statistics

from the main menu, the following

menu appears:

The menu allows you to choose the level of statistical information you
would like to see: from the hub to the type of Ethernet frame, also called
counters. The counters, described in Table 1, are standard MIB objects.

Table 1:

Types of Ethernet Frames

Frame Type

Description

Good Frames

Frames (packets) received without error.

CRC Errors

Frames with a Cyclic Redundancy Check (CRC) error, but with the
proper length (64-1518 bytes) and no Collision or Alignment
Error occurrences.

Alignment Errors

Frames with a non-integral number of bytes (i.e., the frame length
in bits was not evenly divisible by 8), but with the proper length
(64-1518 bytes).

Runts

Frames less than the Ethernet/IEEE 802.3 minimum frame length
(64 bytes including the CRC).

Long Frames

Frames greater than the Ethernet/IEEE 802.3 maximum frame
length (1518 bytes including the CRC).

Bad Frames

The sum of CRC Errors, Alignment Errors, and Long Frames.

Total Frames

The sum of Good Frames and Bad Frames.

Short Events

Frame fragments less than 74 bits in length.

Sunnyvale

Please select an option:

Hub overview
Module overview
Individual port overview

TOtal frames
Good frames
Bad frames
Crc errors
Alignment errors
Runt frames
LOng frames
TRansmit collisions
POrt collisions
LAte collisions
SHort events
Jabber lockups
PArtitions
Data rate mismatches
SOurce address changes
Zero all statistics counters on the entire hub

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