Appendix C: Programming Generation 2 Lan Bypass; Lanner Generation 2 Bypass - Lanner FW-7551 User Manual

Appendix C
Appendix C:
Programming Generation
2 LAN Bypass

Lanner Generation 2 Bypass

Lanner Generation 2 bypass is configured through the
BIOS menu as shown below:
There are two ways to enable the bypass on the system:
1. The LAN bypass can be turned on or off in two system
states, i.e., power on (Runtime Bypass) and power off
(System Off Bypass). The following are the illustration
of the possibilities of LAN bypass configuration with
respect to both power-on and power-off states.
Network Application Platforms
Programming LAN Bypass
Bypass settings LAN Bypass for Port1 and
Port 2
System Status
Enabled
PWR ON Bypass
PWR OFF Bypass
Bypass settings LAN Bypass for Port1 and
Port 2
System Status
Enabled
PWR ON Non-Bypass Non-Bypass
PWR OFF Non-Bypass Non-Bypass
2. A watchdog timer can be used to control the LAN
Bypass function dynamically by programming. Lanner
also provides sample code for bypass control with
WDT via programming. For sample code, look in the
LAN_Bypass_Watchdog directory under Driver and
Manual CD.
To compile:
#gcc wdbp.c -o wdbp
then switch to a root account to run ./wdbp for
excution:
#./wdbp
Commands:
Enable the bypass
#wdbp.exe –f
Set Watchdog Timer. This command will set the time
interval at which the counter will start count down.
#wdbp.exe -wl xxx (xxx: 1-255 sec for timer count
down)
Reset Watchdog Timer. This command will reset the
watchdog timer's counter and the bypass status to
non-bypass.
#wdbp.exe -wr xxx (xxx: 1-255 sec for timer count
down)
Note:
For a description of the physical LAN ports
equipped with this functionality, refer to Front
Panel Features in Chapter 1 Introduction.
LAN Bypass
1&2 when
power off
Disabled Enabled
Non-Bypass
Bypass
LAN Bypass
1&2 when
power off
Disabled Disabled
30