Re: Sharing ppp connection with wlan interface

["Vinícius Massuchetto" <viniciusandre@gmail.com>]

Thanks for helping.

This tutorial says to pass ppp0 as the argument to -o.
http://wiki.archlinux.org/index.php/Sharing_ppp_connection_with_wlan_interface

Anyway, here's the syslog output for your 
correction on the routing computer.

vinicius:/home/vinicius# tail -f /var/log/syslog
Sep 20 19:04:06 vinicius kernel: [ 5818.151404] 
wlan0: Selected IBSS BSSID 0e:e6:ed:86:81:f0 based 
on configured SSID
Sep 20 19:04:07 vinicius dnsmasq[6760]: exiting on 
receipt of SIGTERM
Sep 20 19:04:07 vinicius dnsmasq[6796]: started, 
version 2.50 cachesize 150
Sep 20 19:04:07 vinicius dnsmasq[6796]: compile 
time options: IPv6 GNU-getopt DBus I18N DHCP TFTP
Sep 20 19:04:07 vinicius dnsmasq-dhcp[6796]: DHCP, 
IP range 192.168.0.1 -- 192.169.0.100, lease time 12h
Sep 20 19:04:07 vinicius dnsmasq[6796]: reading 
/etc/resolv.conf
Sep 20 19:04:07 vinicius dnsmasq[6796]: using 
nameserver 201.10.128.2#53
Sep 20 19:04:07 vinicius dnsmasq[6796]: using 
nameserver 201.10.120.2#53
Sep 20 19:04:07 vinicius dnsmasq[6796]: read 
/etc/hosts - 7 addresses
Sep 20 19:04:36 vinicius kernel: [ 5848.153079] 
wlan0: No active IBSS STAs - trying to scan for 
other IBSS networks with same SSID (merge)
Sep 20 19:04:39 vinicius kernel: [ 5850.890322] 
wlan0: Selected IBSS BSSID 66:fb:fa:09:25:ca based 
on configured SSID
Sep 20 19:05:09 vinicius kernel: [ 5880.892160] 
wlan0: No active IBSS STAs - trying to scan for 
other IBSS networks with same SSID (merge)
Sep 20 19:05:12 vinicius kernel: [ 5883.608162] 
wlan0: Selected IBSS BSSID 0e:e6:ed:86:81:f0 based 
on configured SSID
Sep 20 19:05:42 vinicius kernel: [ 5913.612171] 
wlan0: No active IBSS STAs - trying to scan for 
other IBSS networks with same SSID (merge)

[snipped the repetitive rest]

Vinicius

Brian Austin - Standard Universal escreveu:
> no expert, but i think you masq the wrong conx?
> 
> iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE
> 
> also
> 
> tail -f /var/log/syslog on the routing pc and see what dhcp is saying.
> 
> 
> 
> Vinícius Massuchetto wrote:
>> Dear all.
>>
>> I'm on Debian Sid, and I've been trying to serve a ppp0 internet 
>> connection through a wireless network. I made a small script to be ran 
>> when i want to do that:
>>
>> ifdown wlan0
>> iwconfig wlan0 essid "VinaNET" mode Ad-Hoc
>> ifconfig wlan0 192.168.0.254
>> echo 1 > /proc/sys/net/ipv4/ip_forward
>> /etc/init.d/dnsmasq stop
>> /etc/init.d/dnsmasq start
>> iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
>>
>> The script goes just fine and the client computer can see the wireless 
>> network but can't connect, it only keeps trying:
>>
>> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval x
>>
>> Here's my dnsmasq.conf file:
>>
>> domain-needed
>> bogus-priv
>> interface=wlan0
>> dhcp-range=192.168.0.1,192.169.0.100,12h
>>
>> I'm not quite sure if that's an iptables or a dnsmasq problem.
>>
>> Thanks!
>> -- 
>> Vinícius Massuchetto
>> http://vinicius.soylocoporti.org.br
>> -- 
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