Agilent Technologies J3972A User's Guide Page 189

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Internetwork Monitor
Viewing the Internetwork
188 5967–9446
Icons in the internetwork view
Network nodes are represented in the internetwork view by icons on
segment rings.
These node icons fall into several general categories:
Vendor icons show a two- or three-letter acronym identifying a specific
vendor as determined by the first part of the MAC address. The icons at
left represent equipment from HP, Sun Microsystems, and Cisco.
A question mark icon is used when the vendor is unknown.
An IP icon represents a host on an IP network that’s not being moni-
tored by a data source in the internetwork view (using address mode).
This type of icon is discussed further in figure 35 on page 173.
“Pseudo-devices” are constructed in the MAC layer view to represent
interconnect devices. These devices are discussed further on page 233.
An icon with eight arrows pointing outward from a center point repre-
sents the broadcast address—that is, a “sink” for receiving broadcast
traffic.
An icon with three legs of an X and a text identifier represents a
multicast address—that is, a “sink” for receiving a particular kind of
multicast traffic.
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