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A-1
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PPENDIX
A
T
ROUBLESHOOTING
Troubleshooting Chart
Troubleshooting Chart
Symptom
Action
Cannot connect using
Telnet, Web browser,
or SNMP software
• Be sure you have configured the agent with a valid IP
address, subnet mask and default gateway.
• Be sure that your management station has management
VLAN access to the switch (default is VLAN 1).
• Check that you have a valid network connection to the
switch and that the port you are using has not been
disabled.
• Check network cabling between the management station
and the switch.
• If you cannot connect using Telnet, there may already be
four active sessions. Try connecting again at a later time.
Cannot access
the on-board
configuration
program via a serial
port connection
• Be sure you have set the terminal emulator program to
VT100 compatible, 8 data bits, 1 stop bit, no parity, and
9600 bps.
• Check that the null-modem serial cable conforms to the
pin-out connections provided in Appendix B.
Summary of Contents for 7500A/VCP - annexe 1
Page 2: ......
Page 132: ...CONFIGURING THE SWITCH 2 104 Web Interface Click VDSL VDSL Port Link Status...
Page 136: ...CONFIGURING THE SWITCH 2 108...
Page 312: ...GLOSSARY Glossary 6...
Page 315: ......