ZyXEL Communications ZyXEL Vantage VSG-1000, Руководство пользователя

Страница: 103 / 131

VSG-1000 Vantage Service Gateway
Troubleshooting 15-3
Table 15-7 Troubleshooting Internet Access
STEPS CORRECTIVE ACTION
1 Check the Internet settings on your modem and/or router.
2 Make sure the subscriber enter the correct user name and password to log in to the VSG. The username and
password are case-sensitive.
3 Make sure the subscriber account is still valid.
4 Make sure there is no conflict in IP address assignment. Refer to the appendix.
15.5 TFTP File Transfer
I cannot perform TFTP file transfer.
Table 15-8 Troubleshooting TFTP File Transfer
STEPS CORRECTIVE ACTION
1 Make sure the TFTP server computer is connected to the WAN port on the VSG.
2 Make sure you enter the correct TFTP server IP address and filename.
3 Make sure the IP addresses of the TFTP server and VSG are on the same subnet.
4 Check the security settings on the TFTP server. Make sure security settings do not prevent any file transfer.
15.6 Administrator Password and Username
If you have forgotten the administrator password and/username, you cannot access the VSG. You must reload the
firmware to the VSG through the console port. Follow the steps below to reload the firmware.
Before you continue, you must have a firmware file.
1.
Connect your computer directly to the VSG through the console port and the WAN port. Refer to the
Hardware Connections section for more details.
2. Unplug and plug in the power cord to restart the VSG. During the system startup, enter “debug” at the
“
Loading …
” line. Note that you will not see any characters displayed on the screen as you enter the
word.
A
Password field should display indicating you have entered the debug mode successfully. Otherwise
repeat step 3. Enter “debugmonitor” as the password. The password is case sensitive.
Figure 15-1 SMT: Entering Debug Mode
3. Enter 3 to erase the firmware on the VSG.
PnP GATEWAY Boot ROM Version 1.01
Ethernet Address:
WAN : 00-a0-c5-41-d0-53
LAN : 00-a0-c5-41-d0-49
RTC TEST OK
FLASH INIT OK
Loading...
Password: