internet/lan

[drtvasudevan]

the mtu value needs to be less than 1500.
edit it to 1492 or better 1486 and tyiu will be able to connect.

i had this problem and hence the reply!
for more details find out the readme file in rp-pppoe folder.

tv

[AlexK]

Ok, for a Lan or Cable connection, the mtu need be 1500, for adsl or most other PPPoE connections, it need be something like 1492. I don't see how changing the mtu in this case can have any effect, but if you wish to do so, you can try it.

Ok, now that we have verified that your card has an address, the next thing we have to check is wether the computer can resolve domain names, as root enter this into a terminal:

kate /etc/resolv.conf &

(You can replace kate with favourite text editor e.g. vi, emacs, gedit etc..)

Now add this line to it, then save the file:

nameserver <router address>

now try and ping google and other sites.

[Kamil]

Code:
kate /etc/resolv.conf &
gives:
[1] 6625

I tried to copy /etc/resolv.conf from my working pc
I steal cant connect to internet
I tried to configure my lan connection manually so my new ifconfig is:

eth0 Link encap:Ethernet HWaddr 00:0F:B0:48:10:1F
inet addr:82.9.173.119 Bcast:82.9.173.255 Mask:255.255.255.0
inet6 addr: fe80::20f:b0ff:fe48:101f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:150 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:10242 (10.0 Kb)
Interrupt:217 Base address: 0x4800



cat /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=static
IPADDR=82.9.173.119
NETMASK=255.255.255.0
NETWORK=82.9.173.0
BROADCAST=82.9.173.255
ONBOOT=yes
METRIC=1
MII_NOT_SUPPORTED=yes
USERCTL=yes

[AlexK]

Code:
kate /etc/resolv.conf &
gives:
[1] 6625

does it open up a text editor in a different window? you should add the nameserver entry in that text editor window. Kate is just a KDE text editor, if no window appears, try kwrite, emacs, xemacs, gedit, vi, vim instead of kate.

[drtvasudevan]

so what type of connection is it?
cable? adsl? something else?

tv

[Kamil]

I have ntl broadband (cable). I tried to connect my laptop via usb but steal no connection. If i set 'automaticly', i have problem with ip adresse.
If its going about /etc/resolv.conf i edit it and it was clear, so i change it like in my pc. It didnt help...

[AlexK]

yes, but the thing is what does the /etc/resolv.conf file contain? you should add the nameserver entry and that should fix the problems.

[Kamil]

/etc/resolv.conf file contain
nameserver 194.168.8.100
nameserver 194.168.4.100
search dbln.cable.ntl.com

I think that its problem with ip adresse identification...

[AlexK]

In my experience with wireless, if the nameserver corresponds with the Access Point's IP, then it seems to work. If I put my ISP's DNS address for nameserver, it just doesn't seem to like it and refuses to work.