Protocol Analysis of Network Segments
Can a Protocol Analyser see all of the segments of my network (can a
Protocol Analyser work over a WAN)?
No.
Protocol Analysers can only view and collect traffic from the segment where
the Protocol Analyser is located. To capture and analyse traffic from another segment
(local multi-segment LAN or remote WAN), a distributed or multi-segment Protocol Analyser
is required. Distributed analysers offer similar functionality to a standard
(non-distributed) Protocol Analyser, displaying multiple diagnostic windows, each
representing a segment on your LAN - all from a single management station.
Typically, distributed Protocol Analysers consist of a software based management station
and ether software or hardware based probes allowing an administrator to
"view" any segment that hosts a probe.
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