Cambium Networks PTP 250, User Manual

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Managing performance Chapter 7: Operation
7-16 phn-2510_002v000 (Mar 2012)
The System Statistics page contains the following system counters:
x
Data port counters ( Table 46 )
x
Management port counters ( Table 47 )
x
Wireless port counters ( Table 48 )
The packet counter attributes each contain a number in parentheses; this shows the
number of packets received since the last page refresh. The page automatically refreshes
every two seconds.
To reset all system counters to zero, select Reset Counters .
Table 46 Data Port Counter attributes in the System Statistics page
Attribute Meaning
Rx Packets The number of good and bad packets received from the local
Ethernet interface.
Tx Packets The number of good packets the bridge has sent for transmission
by the local Ethernet interface.
Rx Bytes The number of bytes received by the Ethernet interface.
Tx Bytes The number of bytes transmitted by the Ethernet interface.
Rx Dropped Total number of frames dropped due to the lack of sufficient
capacity in the receive buffer.
Tx Dropped Total number of frames dropped due excessive collisions, late
collision and frame ageing.
Collisions The number of frames experiencing collisions in the local
Ethernet interface.
Table 47 Management Port Counter attributes in the System Statistics page
Attribute Meaning
Rx Packets The total number of good packets the bridge has received from
the internal stack (for example ARP responses, PING replies,
HTTP responses).
Tx Packets The total number of good packets the bridge has transmitted to
the internal stack (for example, ARP requests, PING requests,
HTTP requests).