EKI-9500 Series User Manual
132
Statistics
Use the Time Based Statistics page to view time-based statistics collected for the
configured traffic groups and flow-based rules.
To access this page, click
System
>
Statistics
>
Time Based
>
Statistics
.
Figure 4.134 System > Statistics > Time Based > Statistics
The following table describes the items in the previous figure.
4.3.13
Status
4.3.13.1
ARP Cache
The ARP cache is a table maintained locally in each station on a network. ARP cache
entries are learned by examining the source information in the ARP packet payload
fields, regardless of whether it is an ARP request or response. Thus, when an ARP
request is broadcast to all stations on a LAN segment or virtual LAN (VLAN), every
recipient has the opportunity to store the sender's IP and MAC address in their
respective ARP cache. The ARP response, being unicast, is normally seen only by
the requestor, who stores the sender information in its ARP cache. Newer information
always replaces existing content in the ARP cache.
The ARP cache can support 1024 entries, although this size is user-configurable to
any value less than 1024. When multiple network interfaces are supported by a
device, as is typical of a router, either a single ARP cache is used for all interfaces, or
a separate cache is maintained per interface. While the latter approach is useful
when network addressing is not unique per interface, this is not the case for Ethernet
MAC address assignment so a single ARP cache is employed.
To access this page, click
System
>
Status
>
ARP Cache
.
Figure 4.135 System > Status > ARP Cache
Item
Description
ID
The traffic group name or flow-based rule ID associated with the rest
of the statistics in the row.
Interface
The interface on which the statistics were reported.
Counter Id
For traffic group statistics, this field identifies the type of traffic.
Counter Value
For traffic group statistics, this field shows the number of packets of
the type identified by the Counter Id field that were reported on the
interface during the time range.
Port Utilization
For a port utilization traffic group, this field reports the percentage of
the total available bandwidth used on the interface during the time
range.
Hit Count
For flow-based statistics, this field reports the number of packets that
matched the flow-based rule criteria during the time range.
Refresh
Click
Refresh
to update the screen.
