Laptop, wlan, lan, nat, iTalc, crossover cable and thin client

[asmo.koskinen at arkki.info]

Well, I think I got it :-D

1. Laptop as a ltsp server, internet over wlan
2. Thin client over lan, crossover cable
3. Nat between wlan0 and eth0
4. Internet works for thin client

asmok at edubuntu:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:a0:d1:a3:81:55
          inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::2a0:d1ff:fea3:8155/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:78948 errors:0 dropped:0 overruns:0 frame:0
          TX packets:88227 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:67732822 (67.7 MB)  TX bytes:63643526 (63.6 MB)
          Memory:fc400000-fc420000

wlan0     Link encap:Ethernet  HWaddr 00:1d:e0:67:09:a5
          inet addr:192.168.0.105  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::21d:e0ff:fe67:9a5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:69033 errors:0 dropped:0 overruns:0 frame:0
          TX packets:62779 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:67596126 (67.5 MB)  TX bytes:9492528 (9.4 MB)


iptables -t nat -A  POSTROUTING -o wlan0 -j MASQUERADE
iptables -A FORWARD -i eth0 -o wlan0 -m state --state NEW,ESTABLISHED -j
ACCEPT


And iTalc works very nicely out of box on Edubuntu.

http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Edubuntu_Wlan_Lan_iTalc_01.png

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So we can use very easily in our next workshop just laptops (and crossover
cables) as a servers and thin clients. Goodbye heavy servers, cables,
switches and thin clients.

Best Regards Asmo Koskinen.