Installation and Reference Guide HP AdvanceStack 100Base-THub-12TX, Hub-12TXM, and Switch Modules 1997-06

HP Hub-12TX/Hub-12TXM Installation and Reference Guide
Configuring the System 4-29
Displayed items are briefly described in the following table.
Field Description
Frames Number of frames passing through the stack.
Bytes Number of bytes passing through the stack.
Collisions Number of simultaneous node transmissions detected by the stack.
Alignment Errors Number of mis-synchronized data packets detected by the stack.
CRC Errors Number of Ethernet Cyclic Redundancy Check errors detected by the stack.
Total Errors Total number of errors, including CRC, alignment, FramesTooLong, ShortEvents, LateEvents,
Jabber, and DataRateMismatches detected in the stack.
Symbol Errors Number of symbol errors (i.e., code-group errors including collision artifacts or transmission errors).
Note that these errors are unique to 100Mbit/s analog signals.
Table 4.17 Stack Statistics Menu
Hub Statistics
From the Statistics menu select Hub Statistics to access this
information. Hub statistics can be displayed for any hub in the
stack. Select the required hub from the menu.
Screen statistics are not
automatically refreshed from the
agent. Select
Refresh Statistics
to update the displayed values.
The values displayed have been
accumulated since the last
system reboot.
HP J3233A AdvanceStack 100Base-T Hub-12TXM
Hub Statistics
--------------------
Back to Previous Menu
Hub 1 Statistics ...
Hub 2 Statistics ...
Hub 3 Statistics ...
Hub 4 Statistics ...
Hub 5 Statistics ...
Back to previous menu.
<Enter> to confirm, <Ctrl+Z> to back to Main Menu
Figure 4.22 Hub Statistics: Hub Selection Menu
Hub statistics can be used to check on the general health of
your hardware and network connections. If any of the error
indications are extremely high (for example, collisions or CRC