Installation Manual
H3C SecPath F100-A Firewall
Chapter 6 Troubleshooting
6-2
II. Troubleshooting illegible characters
1) Symptom
The console terminal displays illegible characters on the screen after the firewall is
powered on.
2) Solution
Confirm the parameters are configured at the terminal (such as HyperTerminal):
z
Bits per second = 9600
z
Data bits = 8
z
Parity = none
z
Stop bits = 1
z
Flow control = none
z
Emulation = VT100
Reset them if they are not set to these values.
6.3 Troubleshooting Application Upgrading
I. Fault 1
1) Symptom
Boot the firewall, upgrade Comware software using TFTP, and the system displays the
following:
Net Port Download Menu:
1: Change Net Parameter
2: Download From Net
3: Exit to Main Menu
Enter your choice(1-3): 2
Starting the TFTP download...
Failed to connect the tftp server!!
Please check the network setting!!
2) Solution
The above symptom may be caused by either of the two problems:
z
The TFTP server program does not run.
z
The Ethernet is not connected properly.
Run the TFTP server program on the system, confirm that the IP address is set
correctly and the network cables are connected.
