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Setup Ethernet & PPP client on Laptop computer

Setup Ethernet & PPP client on Laptop computer. Presented by: Xuewu Cai Jianfang Wang. Project Purpose. 1. Setup PCMCIA controller , let it probe correctly PCMCIA card attached on it. 2. Set up Ethernet interface, including assign IP address, subnet mask to it.

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Setup Ethernet & PPP client on Laptop computer

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  1. Setup Ethernet & PPP client on Laptop computer Presented by: Xuewu Cai Jianfang Wang

  2. Project Purpose • 1. Setup PCMCIA controller , let it probe correctly PCMCIA card attached on it. • 2. Set up Ethernet interface, including assign IP address, subnet mask to it. • 3. Setup PPP dialup client , write a script program using AT command set to dialup. Configure pppd to setup PPP interface.

  3. Cont’d (purpose) • 4. Choose proper route for 2 interfaces above including default router, local subnet route,etc .loopback interface route.

  4. Configureation Steps • Ethernet card, Modem,etc are installed onto laptop computer by PCMCIA controller as PCMCIA card. • PCMCIA card can include ethernet card, modem, memory card, serial card,SCSI&IDE card,etc. • PCMCIA support should be compiled into Linux kernel

  5. Cont’d (Steps) • Put system reserved I/O port, memory into /etc/pcmcia/config.opts, in out project,parameter is : • I/O Range: 3E0-3E1 • Memory Range: D8000-DBFFF • Current release contain drivers for all the devices. All these drives are loaded as modules on linux. • When system(socket driver) detect the availability of pcmcia card in socket slots, it will run corresponding shell program under /etc/pcmcia to bring up interfaces. • Ethernet card will run “network”, modem will run “serial”,etc

  6. Configure Ethernet card • Set network configuration parameter into /etc/pcmcia/network.opts • The details of setting: • IP address : 130.85.100.254 • Subnet mask: 255.255.255.0

  7. Cont’d (Ethernet Card) • DNS1: 130.85.1.5 • DNS2: 130.85.1.3 • default router: 130.85.100.1 • local subnet route: 130.85.100.0 0.0.0.0

  8. Ifconfig output • lo        Link encap:Local Loopback           inet addr:127.0.0.1  Bcast:127.255.255.255 Mask:255.0.0.0           UP BROADCAST LOOPBACK RUNNING  MTU:3584  Metric:1           RX packets:18 errors:0 dropped:0 overruns:0 frame:0           TX packets:18 errors:0 dropped:0 overruns:0 carrier:0 coll:0 • eth0      Link encap:Ethernet  HWaddr 00:E0:98:01:1C:87           inet addr:130.85.100.254  Bcast:130.85.100.255  Mask:255.255.255.0           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1           RX packets:14 errors:0 dropped:0 overruns:0 frame:0           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0           Interrupt:5 Base address:0x300

  9. Configure PPP client • Choose chat as dialup tools • Write a piece of chat script as following:' ' ATZ OK ATDTtelno CONNECT ' ' username < user account... passwd <user password... PPP 1Save it as script.dialup • Run pppd, choosing options likepppd connect "chat -f script.dialup" /dev/cua1 115200 -detach modem noipdefault defaultroute

  10. Cont’d (PPP client) • Set proper route for PPP using route command. • What to disconnect PPP connection? Use command like:kill `cat /var/run/ppp0.pid /dev/console

  11. Ifconfig output • lo Link encap:Local Loopback inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0 UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1 RX packets:18 errors:0 dropped:0 overruns:0 frame:0 TX packets:18 errors:0 dropped:0 overruns:0 carrier:0 coll:0 • eth0 Link encap:Ethernet HWaddr 00:E0:98:01:1C:87 inet addr:130.85.100.254 Bcast:130.85.100.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0 Interrupt:5 Base address:0x300 • ppp0 Link encap:Point-to-Point Protocol inet addr:130.85.97.34 P-t-P:130.85.2.203 Mask:255.255.255.0 UP POINTOPOINT RUNNING MTU:1500 Metric:1 RX packets:24 errors:0 dropped:0 overruns:0 frame:0 TX packets:7 errors:0 dropped:0 overruns:0 carrier:0 coll:0

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