Software Guide

Troubleshooting
Tsunami
®
800 & 8000 Series - Software Management Guide 285
8.9.2 Bootloader Mode
8.9.3 Load a New Image
Follow one of the procedures below to load a new image to the device:
`
s a R e g P Y O j X i e  U U b
`
s a R e g P Y O  U U P b U i  O Q
d
t 
S.No Scenario Recovery Procedure
1 a) The device operating
image is corrupted for
reasons such as power
interruption while upgrading
(For 82x devices).
`
After powering-up the device, press and hold the Reload button on the
PoE injector (use a pin or the end of a paper clip) for first 15 seconds and
then release the button between 15-30 seconds. By doing so, the
operating image will get deleted.
:
`
No reload via Ethernet cross cable.
`
It is not applicable to MP-825-CPE-50 and QB-825-EPR/LNK-50
devices.
After deleting the operating image, refer
s a R e g P Y O j X i e  U U b
and
s a R e g P Y O
 U U P b U i  O Q
d
t 
sections to load the firmware onto the device.
b) The device operating
image is corrupted for
reasons such as power
interruption while upgrading
(For all devices).
Do one of the following:
`
While powering the device, press and hold the Reload button on the PoE
injector (use a pin or the end of a paper clip) for 15 seconds. By doing so,
the operating image will get deleted.
`
Use a 4-pair (Gigabit) cross over Ethernet cable between the PoE and the
device. By doing so, the reload functionality gets activated and forcibly
deletes the operating image.
`
If you are having serial access to the device during POST, press SHIFT+u to
enter into forced user mode of the bootloader. From the Bootloader
prompt, enter the command firmware_delete.
After deleting the operating image,
refer
s a R e g P Y O j X i e  U U b
and
s a R e g P Y O
 U U P b U i  O Q
d
t 
sections to load the firmware onto the device.
2 The device is not accessible
for reasons such as user has
forgotten the web interface
login password,
Management VLAN Id is
changed, and wrong VLAN
configuration.
And, you do not have a
reload capable PoE but Serial
access is possible
If you are having serial access to the device during POST, press SHIFT+u to enter
into forced user mode of the bootloader. From the Bootloader prompt, enter the
command config_delete.
Next, issue the command reboot.
The device now reboots and comes with: IP Address: 169.254.128.132;
Username: admin; and Password: public