Network Instruments GigaStor 114ff Manual de usuario Pagina 114

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What is a probe instance?
Chapter 8 Probe Instances
114
rev. 1
NOTE:
By default there is one active probe instance for GigaStor. It
binds to the network adapter and its ports. If you have a
specific need to separate the adapter’s ports and monitor
them separately, you can do so through passive probe
instances or you can create separate virtual adapters. See
“Configuring virtual adapters on the Gen2 card” on page 116.
Figure 76 shows how one active probe instance captures and writes to
the GigaStor RAID. Passive probe instances 1 and 2 mine data from
the RAID array. As a best practice the passive probe instances are
bound to the slowest network adapter in the GigaStor.
Additionally, passive probe instance 3 and 4 each are capturing
packets separate from each other and separate from the active probe
instance. However, since they are also bound to the same adapter as
the active probe instance, they are capturing the same data as the
active probe instance.
Figure 76 GigaStor capture and packet capture through probe instances
Active
Instance
Passive
Instance
1
Passive
Instance
4
RAID
RAM
m
i
n
i
n
g
Passive
Instance
2
Passive
Instance
3
RAM
m
i
n
i
n
g
DTE
DCE
DCE
1
2
DTE
Virtual
Adapter
GigaStor capture
1
2
3
4
Slowest
Adapter
packet
c
apture
packet
c
apture
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