Very exceptional case—minimal config recovery
102
SmartNode 4740 Series (48–128 Ports) User Manual
F
• Reset Button Functions
2.
The
POWER
LED will begin a series of blink pattern starting with 1-blink, pause.
3.
Repeatedly pressing and releasing the
RESET
button will cycle through the blink patterns.
4.
When you get to the 3-blink pattern that will erase the entire flash memory (see
), release the
RESET
button. 10 seconds later, flash memory will be erased, then the device will boot.
5.
Once booted up, the device will run using the “minimal-config”:
#----------------------------------------------------------------#
# #
# Minimal configuration file #
# #
#----------------------------------------------------------------#
cli version 4.00
telnet-server
shutdown
ssh-server
no shutdown
web-server http
shutdown
web-server https
shutdown
context ip ROUTER
interface LAN
ipaddress LAN 192.168.200.10/24
ipaddress DHCP dhcp
port ethernet 0 0
bind interface ROUTER LAN
no shutdown
Table 32. Using the
RESET button
to switch to a backup image
LED Blink Pattern
Action
1-blink, pause
Boot normally
2-blinks, pause
Switch to backup image, then Boot normally
3-blinks, pause
Erase entire contents of flash memory (no exceptions), then boot.
Note
Erasing flash memory also deletes previously pur-
chased and loaded software license keys.