Moxa Technologies UC-7420/7410 user manual Create link symbols to enable this script at boot time

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UC-7420/7410 User’s Manual

Managing Communication

#connect tap device to the bridge brctl addif br0 tap${i}

#null ip address of tap device ifconfig tap${i} 0.0.0.0 promisc up

i=`expr $i + 1`

if [ $i -ge $maxtap ]; then break

fi done

#null ip address of internal interface ifconfig $iface 0.0.0.0 promisc up

#enable bridge ip

ifconfig br0 $IPADDR netmask $NETMASK broadcast $BROADCAST

ipf=/proc/sys/net/ipv4/ip_forward

#enable IP forwarding echo 1 > $ipf

echo “ip forwarding enabled to” cat $ipf

}

stop() {

echo “shutdown openvpn bridge.” ifcfg_vpn

i=`expr 0` while : do

#disconnect tap device from the bridge brctl delif br0 tap${i}

openvpn --rmtun --dev tap${i}

i=`expr $i + 1`

if [ $i -ge $maxtap ]; then break

fi done

brctl delif br0 $iface brctl delbr br0 ifconfig br0 down

ifconfig $iface $IPADDR netmask $NETMASK broadcast $BROADCAST killall -TERM openvpn

}

case “$1” in start)

start

;;

stop) stop

;;

restart) stop start

;;

*)

 

echo “Usage: $0 [startstoprestart]”

exit 1

 

esac

 

exit 0

end -----------------------------

#----------------------------------

Create link symbols to enable this script at boot time:

#ln -s /etc/openvpn/openvpn-bridge /etc/rc.d/rc3.d/S32vpn-br # for example

#ln -s /etc/openvpn/openvpn-bridge /etc/rc.d/rc6.d/K32vpn-br # for example

4-20

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Contents UC-7420/7410 User’s Manual Third Edition, JuneCopyright Notice TrademarksDisclaimer Table of Contents Chapter UC Finder Appendix B Windows Tool Chain Introduction Introduction ‰ Hardware IntroductionPackage Checklist Product FeaturesOverview UC-7410-LXProduct Hardware Specifications Appearance and Dimensions Hardware IntroductionAppearance Dimensions Hardware Block Diagram LED IndicatorsLED Name Color Meaning Reset-type Buttons Reset ButtonReset to default Button Real Time ClockPlacement Options Wall or CabinetWiring Requirements Hardware Connection DescriptionDIN-Rail Mounting Connecting the Power Connecting to the NetworkPin Signal Grounding UC-7420/7410Connecting to a Serial Device Connecting to the Console PortCompactFlash Pin RS-232 RS-422 RS-485Software Introduction Software ArchitectureJournaling Flash File System JFFS2 Software PackageSoftware Version Comparison Table Protocol stacks and utilities Directory Change‰ Configuring the Ethernet Interface Getting StartedPowering on UC-7420/7410 Connecting UC-7420/7410 to a PCSerial Console Default IP Address Netmask Telnet Console192.168.3.127 255.255.255.0 192.168.4.127 255.255.255.0SSH Console Windows UsersConfiguring the Ethernet Interface Modifying Network Settings with the Serial ConsoleLinux Users Static IP addressesDynamic IP addresses Configuring the Wlan via the Pcmcia Interface Modifying Network Settings over the NetworkDefault IP address is 192.168.5.127, netmask IEEE802.11b#vi /etc/wlan/wlancfg-any IEEE802.11g Setting Explanation SettingKey1Str, Key2Str, Key3Str, Key4Str-Sets strings Key1 to Key4 TurboRate-Enables or disables TurboRate Installing the Tool Chain Linux Test Program-Developing Hello.cChecking the Flash Memory Space StepCompiling Hello.c You should receive the following responseTesting Environment Developing Your First ApplicationUploading Hello to UC-7420/7410 and Running the Program Compiling tcps2.c #mount -t iso9660 /dev/cdrom /mnt/cdromUploading tcps2-release and Running the Program PuTTY#jobs // use this command to check if the program is running Testing Procedure Summary UC-7420/7410 User’s ManualUC-7420/7410 User’s Manual ‰ System Version Information ‰ System Image Backup Managing Embedded LinuxSystem Image Backup System Version InformationUpgrading the Firmware Upgrading the firmware will erase all data on the Flash ROM#upramdisk #cd /mnt/ramdisk Loading Factory Defaults Backing Up the User File System Firmware versions earlier than V1.5 not includingFirmware version V1.5 and later versions Enabling and Disabling Daemons UC-7420/7410 User’s Manual Managing Embedded Linux Setting the Run-Level Adjusting the System Time Setting the Time ManuallyExample shell script to update the system time periodically NTP ClientUpdating the Time Automatically Cron-daemon to Execute Scheduled Commands Change mode of fixtime.shEnable the cron daemon manually Enable cron when the system boots upConnecting Peripherals USB Mass StorageCF Mass Storage Managing Communications ‰ Iptables ‰ NATWeb Service-Apache Telnet / FTPEnabling the Telnet/ftp server Disabling the Telnet/ftp serverUsr/www/cgi-bin Saving a Web Page to the CF Card Use the following commands to restart the Apache web server Iptables Local Host Packets Observe and erase chain rules Define policy for chain rulesUsage ExamplesAppend or delete rules IptmacEnabling NAT at Bootup NAT ExampleDial-up Service-PPP Example 2 Connecting to a PPP server over a hard-wired link How to check the connection UP Loopback RunningSetting up UC-7420/7410 as an NFS Server Setting up a Machine for Incoming PPP ConnectionsNFS Network File System #vi /etc/exportsSetting up UC-7420/7410 as an NFS Client Mail Steps 2Open VPN Internet IFS=‘ Create link symbols to enable this script at boot time Destination Gateway Genmsk Flags Metric Use Iface Now ping Host B from Host a by typing Setup 3 Routed IP Destination Gateway Genmsk Flags Metric Use Iface Programmer’s Guide Address Size Contents Flash Memory MapLinux Tool Chain Introduction Debugging with GDB Obtaining helpCross Compiling Applications and Libraries Tools Available in the Host EnvironmentDevice API RTC Real Time ClockBuzzer WDT Watch Dog Timer Input Int fd File handle from swtdopen return value Output Special Note User application example ExampleSwtddisableswtdfd Int mainint argc, char *argv Pidt sonpid Example to set the baud rate Example to get the baud rateKeyPad Baud rate inaccuracySpecial Note ExamplesMake File Example UC Finder Installing the Software Windows UC FinderUC-7420/7410 User’s Manual UC Finder Broadcast Search Linux ucfinder System Commands Busybox V0.60.4 Linux normal command utility collectionFile manager EditorProcess OtherMoxa special utilities Windows Tool Chain Introduction Introduction Installation Procedure Select the Root DirectoryUC-7420/7410 User’s Manual Windows Tool Chain Introduction UC-7420/7410 User’s Manual Windows Tool Chain Introduction Using the Bash Shell GDB debug tool-Insight UC-7420/7410 User’s Manual Windows Tool Chain IntroductionUC-7420/7410 User’s Manual Windows Tool Chain Introduction Service Information Moxa Internet Services Following services are providedProblem Report Form Moxa Product † UC-7410-LX † UC-7420-LX Serial NumberProduct Return Procedure