Chapter 8 Application
ENC User’s Guide
195
Polling Interval
Enter the number of seconds (5~3600) between data samplings the ENC
retrieves from the selected device. Click Start Polling to have the ENC start to
retrieve data from the device or Stop Polling to stop it. You have to stop
pollings first if you want to change the settings for graphic display.
Graph Type
Select whether to display network statistics as a Line, Bar, or Pie graph.
Delta Value
Select this to use Delta value as the method of obtaining the sample value. Clear
this to use Absolute value as the method instead.
Delta means the value is from the data sampled in each configured time
interval. Absolute means the sampling value is accumulated since it started.
View Octets
Octets
Select this to display the total number of octets received/transmitted on the
port(s).
View Packets Data
Total Packets
Select this to display the total number of all good packets received/transmitted
on the port(s).
Drop Event
Select this to display the total number of packets that were dropped by the
port(s).
Broadcast Packets
Select this to display the total number of good broadcast packets received/
transmitted on the port(s).
Multicast Packets
Select this to display the total number of good multicast packets received/
transmitted on the port(s).
Unicast Packets
Select this to display the total number of good unicast packets received/
transmitted on the port(s).
Undersize Packets
Select this to display the number of packets dropped by the port(s) because
they were less than 64 octets long, and contained a valid FCS.
Fragments
Select this to display the number of packets received/transmitted on the port(s)
because they were less than 64 octets long, and contained an invalid FCS,
including non-integral and integral lengths.
Oversize Packets
Select this to display the number of packets dropped by the port(s) because
they were longer than 1518 octets and contained an invalid FCS, including
alignment errors in the graph of this section.
Jabbers
Select this to display the number of packets received/transmitted on the port(s)
because they were longer than 1518 octets (non VLAN) or 1522 octets (VLAN)
and contained an invalid FCS, including alignment errors.
Collisions
Select this to display the number of packets for which transmission failed due to
collisions. Excessive collision is defined as the number of maximum collisions
before the retransmission count is reset.
CRC Align Error
Select this to display the number of frames received/transmitted on the port(s)
because they were 64 to 1518 (non VLAN) or 1522 (VLAN) octets long but
contained an invalid FCS and a non-integral number of octets.
View Packet Size Data
Packets of 64
Octets
Select this to display the number of packets (including bad packets) received
that were 64 octets in length in the graph of this section.
Packets of 65 ~
127 Octets
Select this to display the number of packets (including bad packets) received
that were between 65 and 127 octets in length in the graph of this section.
Packets of 128 ~
255 Octets
Select this to display the number of packets (including bad packets) received
that were between 128 and 255 octets in length in the graph of this section.
Packets of 256 ~
511 Octets
Select this to display the number of packets (including bad packets) received
that were between 256 and 511 octets in length in the graph of this section.
Table 85
RMON > Statistics > Graph View
LABEL
DESCRIPTION
Содержание ENTERPRISE NETWORK CENTER
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