C
HAPTER
4 -
Troubleshooting and Software Maintenance
Troubleshooting
DS2000-TS Administrator’s Guide
4 - 2
4.1.1.2 Port Statistics
The Port Statistics menus provide a host of information for troubleshooting most port-based problems. The
information on this screen shows the current status of the port (Up or Down), Tx and Rx rates, error counts,
details on transmissions, and a complete list of port-related data. To reach the Port Statistics menu, press
<1> Port in the Main Menu, and enter the port number: E0, CON for Console or S1 - S32 for Serial
(Async) ports, followed by <Enter>. Then press <2> Statistics. This screen displays statistics specific to
the type of port selected.
The following list explains where in this manual to find figures and tables describing statistics for each port
type.
• Console -Figure A-12 on page A-16, TableA-8 on pageA-16
• Serial (Async) - Figure A-11 on page A-14, Table A-7 on pag eA-14
4.1.1.3 Port Protocol Monitor
The Protocol Monitor shows the current data being transmitted and received on any selected port to assist
you in determining the location of a fault somewhere in the network. To reach the Protocol Monitor Menu,
press, <1> Port in the Main Menu to enter the Port Menu. Next enter the port number to view (E0, CON
for Console or S1 - S32 for Serial), and press <Enter>. Then press <4> Protocol Monitor. More detail on
the Protocol monitor appears in ”Protocol Monitoring” on page A-19.
4.1.2 Network
Using Network menus in conjunction with Port statistics and status helps determine if the Routing and IP
connections are operating as configured. The IP Addresses and TCP/IP Status menus display the ARP table,
routing table, and the connection status of all IP-based connections to the DS2000-TS. To reach these menus
press <2> Network from the Main Menu, then <1> Router, followed by either <2> IP Routes Display or
<5> TCP/IP Status. The IP Addresses menu is shown in Figure B-5 on page B-6 and the TCP Connection
Status screen is shown in Figure B-9 on page B-10.
4.1.3 Buffer Usage
The Buffer Usage menu informs you of a possible DS2000-TS buffer resource overload due to line,
transmission, or protocol problems. Climbing In Use counts with declining Free buffer counts could be an
indication of a problem. To reach the Buffer Pool Status menu, enter <3> System from the Main Menu,
and then <4> Buffer Usage. Figure C-6 on page C-6 shows the Buffer Pool Status menu.
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