ppp0 connected but network remains unreachable

JvA · 2011-06-10 08:57:35

hi,

i'm using the adsl deamon to set up my pppoe connection at boottime for months now, but since i've updated the kernel to 2.6.38.8-1 yesterday and also updated the initscrips (including rc.conf merge) every time my machine starts up, the pppoe connection is established, i've got an ip but if i try to ping something i get "network unreachable". if i restart the adsl deamon everything works normal.
i don't know if it's kernel or initscript related.
anyway my rc.conf network section looks like:

interface=wlan0
address=192.168.1.1
netmask=255.255.255.0
gateway=192.168.1.1

this is to set up wlan0 connction because this machine routes the incomming pppoe conntection over wlan0 using hostapd.
the logoutput is the following:

first try:

Jun 10 10:15:46 localhost pppd[970]: pppd 2.4.5 started by root, uid 0
Jun 10 10:15:46 localhost pppd[970]: Using interface ppp0
Jun 10 10:15:46 localhost pppd[970]: Connect: ppp0 <--> /dev/pts/1
Jun 10 10:15:46 localhost pppoe[971]: PADS: Service-Name: ''
Jun 10 10:15:46 localhost pppoe[971]: PPP session is 407 (0x197)
Jun 10 10:15:47 localhost pppd[970]: PAP authentication succeeded
Jun 10 10:15:47 localhost kernel: [   13.576988] PPP BSD Compression module registered
Jun 10 10:15:47 localhost pppd[970]: not replacing existing default route via 192.168.1.1
Jun 10 10:15:47 localhost pppd[970]: Cannot determine ethernet address for proxy ARP
Jun 10 10:15:47 localhost pppd[970]: local  IP address 217.186.186.197
Jun 10 10:15:47 localhost pppd[970]: remote IP address 213.20.57.165
Jun 10 10:15:47 localhost pppd[970]: primary   DNS address 62.109.123.6
Jun 10 10:15:47 localhost pppd[970]: secondary DNS address 213.191.92.87

and after restarting the adsl deamon:

Jun 10 10:17:38 localhost pppoe-stop: Killing pppd
Jun 10 10:17:38 localhost pppd[970]: Terminating on signal 15
Jun 10 10:17:38 localhost pppd[970]: Connect time 1.9 minutes.
Jun 10 10:17:38 localhost pppd[970]: Sent 0 bytes, received 0 bytes.
Jun 10 10:17:38 localhost pppoe-stop: Killing pppoe-connect
Jun 10 10:17:38 localhost pppoe[971]: read (asyncReadFromPPP): Session 407: Input/output error
Jun 10 10:17:38 localhost pppoe[971]: Sent PADT
Jun 10 10:17:39 localhost pppd[1407]: pppd 2.4.5 started by root, uid 0
Jun 10 10:17:39 localhost pppd[1407]: Using interface ppp0
Jun 10 10:17:39 localhost pppd[1407]: Connect: ppp0 <--> /dev/pts/0
Jun 10 10:17:44 localhost pppoe[1408]: PADS: Service-Name: ''
Jun 10 10:17:44 localhost pppoe[1408]: PPP session is 3490 (0xda2)
Jun 10 10:17:44 localhost dnsmasq[1023]: failed to access /etc/resolv.conf: No such file or directory
Jun 10 10:17:44 localhost pppd[1407]: PAP authentication succeeded
Jun 10 10:17:44 localhost dnsmasq[1023]: reading /etc/resolv.conf
Jun 10 10:17:44 localhost pppd[1407]: Cannot determine ethernet address for proxy ARP
Jun 10 10:17:44 localhost pppd[1407]: local  IP address 77.179.109.145
Jun 10 10:17:44 localhost pppd[1407]: remote IP address 213.20.57.165
Jun 10 10:17:44 localhost pppd[1407]: primary   DNS address 62.109.123.7
Jun 10 10:17:44 localhost pppd[1407]: secondary DNS address 213.191.92.86

if you need some more information feel free to request

package versions:
ppp 2.4.5-2 (base)
rp-pppoe 3.10-6

thanks in advance for your help

ewaller · 2011-06-10 15:30:51

You probably need to add a default gateway to your routing table.

Please post the output of route and/or check out the man page of the route command.

JvA · 2011-06-11 01:31:44

this is the output i get if i run route:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
rdsl-cmnz-de01. *               255.255.255.255 UH    0      0        0 ppp0
192.168.1.0     *               255.255.255.0   U     0      0        0 wlan0
default         *               0.0.0.0         U     0      0        0 ppp0

seems pretty normal to me....

JokerBoy · 2011-06-11 08:47:37

not for me.

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         *               0.0.0.0         U     0      0        0 ppp0
10.0.0.1        *               255.255.255.255 UH    0      0        0 ppp0

also paste the output of:

pacman -Qo `which -p ifconfig`

JvA · 2011-06-11 12:28:29

output:

/sbin/ifconfig is owned by net-tools 1.60-16

shouldn't this be owned by iproute2 since the update?

Last edited by JvA (2011-06-11 12:35:22)

JokerBoy · 2011-06-11 12:43:04

no, I wanted to see if you have net-tools installed. pppoe-{start,connect} fails[1] to connect to the internet without ifconfig.

[1] https://bugs.archlinux.org/task/24639

JvA · 2011-06-11 12:57:59

the problem is not that pppoe fails to connect. i get an ip, no errors occure but i cannot ping any host. it seems to me that this is a routing problem....but thanks for the help anyways....

sparkplug · 2011-06-12 14:46:21

I had the same problem,now I have to use "DHCP" in rc.conf to solve it.
Sorry for my poor English:-)

JvA · 2011-06-12 23:47:03

but this will not work for me, because i have to assign a static ip for wlan0 because that machine is my internet access point and the dhcp host.

LessWire · 2011-06-13 01:00:30

I had the same problem and changed to "netcfg" now which works fine.

Arch Linux

#1 2011-06-10 08:57:35

ppp0 connected but network remains unreachable

#2 2011-06-10 15:30:51

Re: ppp0 connected but network remains unreachable

#3 2011-06-11 01:31:44

Re: ppp0 connected but network remains unreachable

#4 2011-06-11 08:47:37

Re: ppp0 connected but network remains unreachable

#5 2011-06-11 12:28:29

Re: ppp0 connected but network remains unreachable

#6 2011-06-11 12:43:04

Re: ppp0 connected but network remains unreachable

#7 2011-06-11 12:57:59

Re: ppp0 connected but network remains unreachable

#8 2011-06-12 14:46:21

Re: ppp0 connected but network remains unreachable

#9 2011-06-12 23:47:03

Re: ppp0 connected but network remains unreachable

#10 2011-06-13 01:00:30

Re: ppp0 connected but network remains unreachable

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