Menus
Page 4-16
Graph
This menu allows you to view real-time statistical information, in a graph
format, on the device, a selected group, or a selected port.
Table 4-16 describes each field in the Graph menu.
∆
Note:
For instructions on using this menu, see “Viewing
Statistics” on page 3-24.
Table 4-16 Graph Menu
Field
Description
Seconds
Drop-down menu; specifies the amount of time (in seconds)
that the device/group/port is polled for information.
Statistics
Read-only fields; specifies the object for which statistics are to
be gathered.
❏
Good Frames — the total number of good or read-
able frames (frames without error).
❏
Multicast Frames — the total number of frames that
are simultaneously received and are directed to an
active non-broadcast group address. This does not
include frames received with a frame-too-long, runt,
FCS, or alignment error.
❏
Broadcast Frames —
the total number of frames that
are successfully received and are directed to the
broadcast group address.
❏
Collisions — the total number of collisions.
❏
Frames TooLong Errors — the number of frames that
were longer than 1,518 bytes.
❏
Runts — the number of frames that were shorter
than 64 bytes.
❏
Alignment Errors —the number of frames that were
an integral number of octets in length and did not
pass the FCS check.
❏
Fragments —
the number of frames received that are
less than the minimum permitted frame size and
have a bad FCS or alignment error.
❏
FCS Errors — the number of frames that failed Cyclic
Redundancy Check (CRC).
❏
Late Collisions — the number of collisions that
occurred after the 64-byte collision window.
Average per second
Displays the average number of occurrences since opening or
resetting the screen.
Reset Statistics
Button; resets the counters to zero in the statistics graph.
Peak per second
Displays the largest number of occurrences since opening or
resetting the screen.
Bay PM book Page 16 Wednesday, August 27, 1997 1:23 PM
