Re: [opensuse] dhcp still waiting for data

On 8/6/08, Sampsa Riikonen <sampsa.riikonen@xxxxxx> wrote:
Dear List,

In my desktop PC (Acer Veriton), the network connection
suddenly disappeared. Ifstatus is saying that
"dhcp still waiting for data".

I have not done any updates, any fiddling with the system,
nothing! It just suddenly stopped working! I checked the router
(alink rr23ap) and it is working correctly with my laptop. I also
checked the network cable.

I am running suse 10.3, 64-bit. The processor in my desktop
is intel celeron. My setup of desktop+tv+voip phone+etc. has been
working flawlessly for ~ 6 months, but suddenly I get this weird
problem. When I initially bought this computer, I had to recompile
some kernel modules for the sis190 chipset to work, but it has been
working ever since and I have not touched it.

I think I have to assume that my integrated network card has
****ed up? If that is so, I really hate SiS. No linux support &
crappy hardware that breaks up.

Just in case I have missed something, please find
the outputs of dmesg, rcnetwork and ifstatus below..

http://users.tkk.fi/~sriikone/acer/

Cheers,

Sampsa
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Hi Sampsa

I am assuming that this one PC is the only one connected to your
network (NOT the only one with problems, but really the only one
connected.) If it is the problem I am describing the problem should
occure to all the PC's connected, not only Linux but also Mac and
Windoze.


It may be that the DHCP service is broken. If you do not know where
that may be hiding it probably is included in the nearest router.

DHCP isn't nescesary, and on most cheap routers it is crappy at best.
You could simply try to run things with static settings. If this works
and you are satisfied you can keep this for years and years w/o
problems.

However there are some things that are made easier by DHCP:
Setting up interfaces is way easier with DHCP. If you use a laptop
and have it disconnect and reconnect every day it may be usefull to
get a new router (or repair the DHCP server some other way)

To set your network manually you need some info:
(I assume your router performs DHCP service . If it doesn't and you
are network admin you will know it doesn't)
1. What is the IP range? (it will be something like 192.168.1.xxx The
1 is the thing that varies usually, sometimes it is 2 but it could be
the router has some own ideas of an IP range. This is something that
may be found in your router manual)
2. What is the gateway adress? (if your IP range is 192.168.1.xxx it
must be in that range, so the first 3 numbers will be 192 and 168 and
1. It probably is 192.168.1.255 or 192.168.1.1 (quite widely used
numbers) This should be in your router's manual aswell)
3. What is the DNS adress of your provider? (I cannot say anything
usefull about that exept: you should call your internet provider to
find this. I will not be in the IP-range)

You should base your own IP adress on the IP range you just found out.
If it is 192.168.1.xxx an IP adress like 192.168.1.200 would in most
cases be a good choice.

These are the things you will have to enter in your network manager. I
can't say exacly where and how because I am at work and have windoze
here. It wil probably be in yast-network devices somewhere.

If you can't find the manual or can't find what the gateway is you
could send us the brand and type of your router so we can help.


Neil
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