ZyXEL Communications AAM1212, Руководство пользователя

Страница: 257 / 288

AAM1212 User’s Guide
256 Chapter 30 Statistics Commands
A block is a set of consecutive bits associated with the path; each bit belongs to one and only
one block. Consecutive bits may not be contiguous in time.
30.4.5 ADSL 15 Minute Performance Command
Syntax:
statistics adsl 15mperf <portlist> [count <0..96>]
where
This command displays line performance statistics for the current and previous 15-minute
periods.
An example is shown next.
Table 64 Line Performance Counters
LABEL DESCRIPTION
nfebe
The Number of Far End Block Errors.
ncrc
Near end Cyclic Redundancy Checks.
nfecc
The Far End Corrected blocks.
nfec
The Near End Corrected blocks.
nblks
The Number of Blocks transmitted.
init
The number of link ups and link downs.
n-es
The Number of Errored Seconds. This is how many seconds contained at least
one errored block or at least one defect.
n-ses
The Number of Severely Errored Seconds. This is how many seconds contained
30% or more errored blocks or at least one defect. This is a subset of n-es.
n-uas
The Number of Unavailable Seconds.
n-lpr
The Number of times a Loss of PoweR (on the ATUR) has occurred.
<portlist>
= You can specify a single ADSL port <1>, all ADSL ports <*> or
a list of ADSL ports <1,3,5>. You can also include a range of
ports <1,5,6~10>.
[count <0..96>]
= Specify for which 15-minute interval (0~96) you want to
display performance statistics. 0 is the current 15 minutes.