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10.5
Network Packets Capture
Sometimes it is helpful to dump the network packets of the device for issue identification. To get the
packets dump of the device, user needs to log in the device web portal, open page [System] -> [Tools] and
click [Start] in “Network Packets Capture” section. A pop-up message will be prompt to ask user to save the
capture file. User then should perform relevant operations such as activate/deactivate line or making phone
calls and click [STOP] button in the web page when operation finished. The network packets of the device
during the period have been dumped to the saved file. User may examine the packets with a packet analyzer
or send it to support.
10.6
Entering Post Mode and Recover System Image
WARNING! P
LEASE AVOID UPDATING SYSTEM IMAGE FROM
P
OST MODE UNLESS THE SYSTEM IMAGE IS
DAMAGED
.
If the device could not boot up and entered into POST MODE, it is usually because of system image
damaged due to power failure during software upgrade. When this occurs, users may follow below steps to
restore the system image.
Step 1.
Download the latest device software.
Step 2.
Setup a FTP server on a PC and put the downloaded software in the FTP repository. (Windows users
can download free FTP server software such as WFTPD32 or 3CDaemon)
Step 3.
Configure the PC with fixed IP address as 192.168.10.10
Step 4.
Connect device network with the PC.
Step 5.
Telnet from PC to device: >telnet 192.168.10.1
Step 6.
When telnet connection established, it will run POST maintenance tools, please select ‘2’ – FTP
update image, and fill in required information to start the image update.
Step 7.
Once update finished, please select ‘4’ to reboot the device.