User guide

Symptom: Digi One/PortServer TS 2/4 Does Not Boot
Chapter 20 Digi One/PortServer TS 2/4 Troubleshooting 88
Symptom: Digi One/PortServer TS 2/4 Does Not Boot
Introduction
Use the information provided in this discussion when Digi One/PortServer TS 2/4 will not complete the
boot cycle.
Procedures
Symptom: Cannot Telnet to the Digi One/PortServer TS 2/4
Introduction
Use the information provided in this discussion to troubleshoot network problems.
Assumptions
This discussion assumes that the Digi One/PortServer TS 2/4 itself is working, that is, that it completes
the boot cycle.
Procedures
Things to Try See ...
Check for hardware problems.
• "Running Digi One/PortServer TS 2/4 Customer
Diagnostics" on page 89
• "Key to Interpreting Digi One/PortServer TS 2/4
LEDs" on page 90
Check for TFTP problems if Digi
One/PortServer TS 2/4 is booting from a
TFTP host.
• "Verifying TFTP on a UNIX System" on page 90
• "Troubleshooting TFTP Problems" on page 91
Resetting the device to configuration
defaults.
"Resetting Digi One/PortServer TS 2/4 Configuration to
Defaults" on page 92
If you cannot resolve the problem, con-
tact Digi.
"Digi Contact Information" on page 97
Things to Try See ...
Verify the IP address.
This procedure ensures that you are using the right IP
address to Telnet to the Digi One/PortServer TS 2/4.
"Verifying the Digi One/PortServer TS
2/4 IP Address" on page 92
Check for duplicate IP address.
This procedure ensures that two devices are not using
the same IP address.
"Checking for Duplicate IP Addresses"
on page 93
See if you can ping the IP address. If you can ping the
address, but cannot Telnet to it, you probably have a
firewall problem. See the Firewall documentation for
more information.
"Pinging an IP Address" on page 93
Verify the network cabling.
"Verifying the Network Cabling" on
page 93
If you cannot resolve the problem, contact Digi. "Digi Contact Information" on page 97