Appeal No. 2000-2282
Application 08/713,046
a network segment on one port, referred to as a monitoring port.
In Appellants’ system of Figure 1, a single monitoring device (9)
can monitor traffic on multiple network segments (2) connected to
bridge (1). See Appellants’ Specification Page 3, lines 27-30
and Figure 1. The bridge (1) forwards packets to their normal
destination ports (ports 0,1,2,3, or 5 in Figure 1), and also to
the monitoring port (port 4 in Figure 1), to which monitoring
device (9) is connected.
Independent claim 25 and dependent claim 27 present in the
application are reproduced as follows:
25. A method for monitoring a network comprising an
apparatus interconnecting a plurality of network segments at
least one of which comprises a network monitor, the method
comprising:
(a) obtaining, from each packet received by the apparatus,
forwarding information to be used in determining the packet
destination;
(b) if a packet destination specified by the forwarding
information includes a station other than the apparatus, then
conducting one or more first transmissions of the packet to one
or more of the network segments in order to deliver the packet to
the packet destination; and
(c)conducting a second transmission of the packet to a
network segment comprising the network monitor, wherein said
second transmission is separate from said one or more first
transmissions.
2
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