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WAN Vital Signs by DLCI
Chapter 5 Using Observer with a WAN Probe
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WAN Vital Signs by DLCI
In Observer, the Network Vital Signs display is replaced by the WAN
Vital Signs by DLCI mode. This mode provides a summary of the
errors occurring on a WAN link (E1/T1/DS3/E3).
Choose Statistics → WAN Vital Signs by DLCI.
You can choose what portion of traffic you wish to view from the list
box in the upper left corner of the window: DCE, DTE, DCE plus
DTE, and so forth.
Figure 54 WAN Vital Signs by DLCI pane
DTE (Data Terminal Equipment), in the context of a WAN link,
refers to the DSU/CSU. DCE (Data Circuit-terminating equipment)
refers to the WAN switch (which may reside remotely at the line
provider's site). Summary view shows a concatenation of traffic from
both ends of the link.
The following statistics are shown, broken down by DLCIs (which are
listed in the left most column). You can change the sort order by
clicking on any of the column headings: