Help: No internet connection

[Simon Schneebeli]

On 12/14/2009 11:02 PM, R. G. Newbury wrote:
> Simon wrote:
>
> >>>>> At my brothers place I managed to connect to the internet with no
> >>>>> >>>>> problem. All programmes worked, so I could add all the 
> additional
> >>>>> >>>>> programs I needed and install the latest updates.
> >
>
> >Meanwhile, the wired connection works (was it because I manually added
> >the DNS???, anyway it works), but the wired connection still doesn't 
> >work.
>
> I presume you actually meant the *wireless connection stll doesn't work".
>
> >Here's what I get with ifconfig.
>
> >[root at sangam simon]# ifconfig eth0
> >eth0      Link encap:Ethernet  HWaddr 00:1A:6B:CE:85:A7
>            inet addr:192.168.1.33  Bcast:192.168.1.255  
> Mask:255.255.255.0
>            inet6 addr: fe80::21a:6bff:fece:85a7/64 Scope:Link
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:7852 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:6432 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:100
>            RX bytes:6456499 (6.1 MiB)  TX bytes:815876 (796.7 KiB)
>            Memory:fe200000-fe220000
>
> We really need the full output of ifconfig. What does 'ifconfig wlan0' 
>        give?
[simon at sangam ~]$ ifconfig wlan0
wlan0     Link encap:Ethernet  HWaddr 00:13:E8:82:76:33
           inet addr:192.168.1.34  Bcast:192.168.1.255  Mask:255.255.255.0
           inet6 addr: fe80::213:e8ff:fe82:7633/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:6453 errors:0 dropped:0 overruns:0 frame:0
           TX packets:108 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:429676 (419.6 KiB)  TX bytes:13316 (13.0 KiB)

[simon at sangam ~]$

>
> >And here is what I get with netstat -rn:
>
> >[root at sangam simon]# netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window  irtt
> Iface
> 192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0
> eth0
> 192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0
> wlan0
> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0
> eth0
>
> *This looks fine!* ifconfig should show Up addresses for BOTH 
> interfaces. If it does not, then we have one sort of problem. If it 
> does, but you cannot connect wirelessly, then it means another sort of 
> problem, probably related to security or encryption.
>
>
> >As for wicd: I used that when working with Ubuntu and was always quite
> happy. So let's give it a try:
> <snip>
> >My, my. What a headache. These thing make me feel kind of lost...
> >Simon
>
> Yes. It is actually simpler to download the 2 packages from 
> wicd.sourceforge.net, and make && make install. That avoids the sort 
> of conflicts you got.
>
> Please post 'ifconfig wlan0'. Use system-config-network to configure 
> the wireless interface. If you get wicd installed, then do a 
> 'chkconfig wicd on' and 'service wicd start', then use the desktop 
> icon for wicd-client, and configure the wireless card there too.
> It usually helps to start by turning OFF all wireless security on the 
> router and on the laptop, while you get the rest of it working, then 
> add MAC filtering and WPA keys etc. last.
>
> Sounds like you are actually quite close. Once wired is working, the 
> universe of points of screwup gets a lot smaller!
>
> Geoff
>
>
>
>
>