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Topic: Please Help Wireless., Ad-Hoc?< Next Oldest | Next Newest >
andrewphoto Offline





Group: Members
Posts: 189
Joined: June 2005
Posted: July 09 2007,13:01 QUOTE
Debian Etch.
A landlord wants me to setup wireless in a large building, I will be employing bigger antennae, and Repeaters.

I want to setup building before buying landline connection, method:

I bring internet to box_1 by GPRS cellphone,
modprobe cdc-acm
/usr/sbin/pppd connect '/usr/sbin/chat -v "" "AT&F" OK "AT+CGDCONT=1,\"IP\",\"LEMONINTERNET\"" OK "ATDT*99#"' noauth /dev/ttyACM0 921600 defaultroute noipdefault user ppp usepeerdns


Box_1, I want to "pipe" ppp0 to wlan0. wlan0 to Box_2, Ad-Hoc?. Box_2, notebook/laptop has wireless card, I will roam building.


I need to NAT, is this correct?
modprobe iptable_nat
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -A FORWARD -i ppp0 -o wlan0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE


Run pppd
tail -f /var/log/messages
local  IP address 10.32.204.221
remote IP address 192.168.100.101
primary   DNS address 193.35.133.10
secondary DNS address 193.35.134.10

ifconfig
ppp0     Link encap:Point-to-Point Protocol
        inet addr:10.32.204.221  P-t-P:192.168.100.101  Mask:255.255.255.255
        UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1

pppd is always Mask:255.255.255.255


I am reading wireless HOWTO etc., I WANT TO DO MANUALLY.
Can I do this?

route add default gw 192.168.0.1
route add 192.168.0.1 dev ppp0

route add 192.168.0.1 dev wlan0


Any input many thanks, Andrew.
Best Regards.
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andrewphoto Offline





Group: Members
Posts: 189
Joined: June 2005
Posted: July 13 2007,21:34 QUOTE
I'm afraid I'm not enjoying networking at the minute.
Because unfortunately I don't quite understand exactly what I am doing, perhaps the best I can do is systematically try options.
I hope somebody could offer some input and perhaps I will learn and understand.

Cellphone won't function as a modem without pppd options defaultroute noipdefault usepeerdns.
Usepeerdns creates an /etc/ppp/resolv.conf file containing two nameserver lines with the addresses supplied by the peer.

Do I need to add a line to /etc/ppp/resolv.conf ?

Perhaps I should be using dhcpd & dnsmasq or something ?

I am trying to gain some understanding.

Any input appreciated.
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1 replies since July 09 2007,13:01 < Next Oldest | Next Newest >

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