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painteru
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PostPosted: Sun Aug 25, 2013 7:51 pm    Post subject: [SOLVED] cant get pppoe working Reply with quote

Hi there,

I'm trying to get the pppoe connection up now when I've started a new gentoo OS installation.

I'm using the latest minimal iso (Aug 20)
I booted cd iso then did
pppoe-setup
then pppoe-start
Well, even that pppoe-start said : Connected
pinging www doesn't work
I know that in the past in order to get pppoe working , I had to stop net.eth*
The problem is now that there's no net.eth anymore since the new udev.

My network card got a name something like enp4s1 and don't know how to stop it.

Any advicees how to set up working a pppoe connection on the new udev conditions?

Thank you,
Daniel[list]
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Last edited by painteru on Wed Aug 28, 2013 1:57 pm; edited 1 time in total
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NeddySeagoon
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PostPosted: Sun Aug 25, 2013 7:56 pm    Post subject: Reply with quote

painteru,

everywhere you used to use eth0, use enp4s1 or whatever your network interface is called in ifconfig.
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painteru
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PostPosted: Sun Aug 25, 2013 8:05 pm    Post subject: Reply with quote

Hi NeddySeagoon,

When pppoe-setup prompt me to set net interface (default eth0) I wrote down what ifconfig told which is
emp4s1


Then, when I do pppoe-start, it gives out : Connectected!,
yet, when I ping www.gentoo.org or else, I get
ping: unknow host www.gentoo.org
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painteru
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PostPosted: Sun Aug 25, 2013 8:08 pm    Post subject: Reply with quote

Oh, thought it is obvious, posting in install gentoo threads.

This is about a fresh install.
It's the first step of installing gentoo. So this is happening on Cd iso enviroment
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painteru
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PostPosted: Sun Aug 25, 2013 8:11 pm    Post subject: Reply with quote

after pppoe-start,
doing #ifconfig

I see that I got ppp0 up and with an ip assigned.

but I cant ping any www
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NeddySeagoon
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PostPosted: Mon Aug 26, 2013 5:34 pm    Post subject: Reply with quote

painteru,

What IP do you get ?

What is in /etc/resolv.conf when pppoe looks like it should work?

What is in the kernel routing table - the output of the route command.

Heres my ppp0 setup from the net file of my router
Code:
config_eth2="null"
# with BTs Box need to start ppp0
config_ppp0="ppp"
link_ppp0="eth2"
plugins_ppp0="pppoe"
pppd_ppp0="defaultroute usepeerdns"

# There may be other settings you want, see /usr/share/doc/openrc-*/net.example.bz2

username_ppp0='<my_ISP_username>'
password_ppp0='<my_ISP_password>'

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painteru
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PostPosted: Tue Aug 27, 2013 10:20 am    Post subject: Reply with quote

NeddySeagoon wrote:
painteru,

What IP do you get ?

for enp4s1 I get 169.254.246.76
for ppp0 79.112.216.20

NeddySeagoon wrote:
What is in /etc/resolv.conf when pppoe looks like it should work?

nothing but a couple of #ed lines....so practically nothing.

NeddySeagoon wrote:
What is in the kernel routing table - the output of the route command.

well, quite too much to write on a mobile device :)

Code:
default  10.0.0.1  0.0.0.0   UG   0   0   0    ppp0
10.0.0.1  *   255.255.255.255  UH   0   0   0    ppp0
loopback  livecd.gento    255.0.0.0   UG   0   0   0    lo
link-local   *    255.255.0.0   U   202    0  0   enp4s1

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painteru
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PostPosted: Tue Aug 27, 2013 10:49 am    Post subject: Reply with quote

Oh, and I've noticed that at the live cd boot time I get this message:
no network device auto detected
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PostPosted: Tue Aug 27, 2013 6:11 pm    Post subject: Reply with quote

painteru,

You don't have any way of resolving names to their IPs.

You don't need a link-local IP address but it should be harmless. Thats the 169.254.246.76.

Your ppp0 IP address looks real.

Put
Code:
nameserver 8.8.8.8
into your /etc/resolv.conf and test you network.
This will only work until your lease on the ppp0 IP address expires, at which time this entry will probably vanish.
8.8.8.8 is a Google provided public nameserver.

If you browse by IP it may just work too, even with no nameserver. Try http://173.194.34.69
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painteru
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PostPosted: Wed Aug 28, 2013 10:47 am    Post subject: Reply with quote

Thank you NeddySeagoon,
I appreciate you help.

I did what you suggested but didn't work for me.

Then. I did
#ln -s net.lo /etc/init.d/net.emp4s1
and I've tried ping again with no result.

Then I copied the nameserver IPs from the resolv.conf of another box that I connected to the same PPPoE connection and used those IPs at the pppoe-setup for DNS (instead of 'server' option)
....well, no results either...
Now, when writing this above, it gives me idea to copy that working resolv.conf to the livecd resolv.conf and see what's happens.

Oh, I've just remembered to ask.... It's a normal thing not to have the #emerge command on minimal livecd before downloading stage 3 tar ball ? I was thinking that maybe it's a bad livecd....
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painteru
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PostPosted: Wed Aug 28, 2013 11:54 am    Post subject: Reply with quote

So, I managed to bring up and working the pppoe connection
This is how I did:
AFTER #pppoe-setup then #pppoe-start , because resolve.conf was empty,
I wrote nameserver IPs that I've took from the working box, on the livecd resolve.conf file.
Now pinging any www works

The problem was this:
I deliver those DNSs at the #pppoe-setup stage when I was asked to give them or to chose 'server" (ISP provides DNS - which is the option I always used before and which worked) and DNSs was written on the resolve.conf file.
Well, when I #pppoe-start, the resolve.conf file got empty. So I have to manually write downn those nameservers.
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painteru
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PostPosted: Wed Aug 28, 2013 11:58 am    Post subject: Reply with quote

I think this is a bug or something and is big one as the Internet connection is essential for Gentoo Linux installation process.
And also, as the new Udev is prsent in the livecd, why the old net.eth are still there in place and net.lo is not linked to the predictable net name ?
Is this possible that the new Udev is not yet implemented on the weekly minimal live cd install?
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painteru
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PostPosted: Wed Aug 28, 2013 1:57 pm    Post subject: Reply with quote

Well...I got the pppoe working up without any hand editing file.

So, if in the past I had to stop net.ethX first in order to get pppoe working,
now I have to stop dhcpd first for the same result.
So, this is what you need to do prior to #pppoe-start

Code:
/etc/init.d/dhcpd stop


Not sure if I wrote "dhcpd" corect :) look in /etc/init.d for the correct spelling.


Anyway, I think this must be wrote up on the Gentoo handbook ...because I remember how long it took me to resolve the problem in the past (stop that net.eth first)
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NeddySeagoon
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PostPosted: Wed Aug 28, 2013 7:33 pm    Post subject: Reply with quote

painteru,

Please file a bug at bugs.gentoo.org to describe the problem and your solution.
This will put a documentation update in the developers work queue.
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