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2. Select the ports and then click the Errors Ratio
The graph displays a list of different types of error packets.
3. Set the Port Packet options. These values are calculated tracking the
number of packets received over a period of time.
•
Drop Events: Represents the total number of events, when packets are
dropped due to lack of resources.
•
CRCAlignErrors: Represents the total number of packets received that
are between 64 and 1518 octets in length. These include packets of either
a bad Frame Check Sequence (FCS) with an integral number of octets
(FCS Error) or a bad FCS with a non-integral number of octets (Alignment
Error).
•
UndersizePkts: Represents the total number of packets received that are
less than 64 octets in length.
•
OversizePkts: Represents the total number of packets received that are
longer than 1518 octets in length.
•
Segments: Represents the total number of packets received that are less
than 64 octets in length. These include packets of either a bad Frame
Check Sequence (FCS) with an integral number of octets (FCS Error) or a
bad FCS with a non-integral number of octets (Alignment Error).
•
Jabbers: The total number of packets received that are longer than 1518
octets in length. These include packets of either a bad Frame Check
Sequence (FCS) with an integral number of octets (FCS Error) or a bad
FCS with a non-integral number of octets (Alignment Error).
•
Collisions: An estimate of the total number of collisions on this Ethernet
segment.
4. Click Clear[C] to clear the current data on the screen.
Figure 120:
Performance Monitor screen
button from the toolbar.
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