Hello,<br><br>I can ping my gateway (the box on the same network) but with a ping to the DNS server it told me Network is unreachable.<br>I'm looking for what could make the network unreachable.<br>Thank you.<br><br>Regards,<br clear="all">
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<b style="color: rgb(51, 51, 51); font-size: 11px;">Jeremie SYLVAND | System & Network Assistant</b><br>
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<br><br><div class="gmail_quote">2011/8/26 Frederick C. Damen <span dir="ltr"><<a href="mailto:fred@damen.org">fred@damen.org</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
from the fedoraserver machine try<br>
ping 89.2.0.1<br>
traceroute 89.2.0.1<br>
telnet 89.2.0.1 53<br>
this should tell you if you at least have conectivity;<br>
repeat with each upstream dns server IP address.<br>
<br>
If your (r)syslog log level is set higher than the log-queries then they<br>
will not make it to the (r)syslog file. Try using the<br>
--log-facility=/tmp/dnsmasq-queries<br>
Then try ping <a href="http://google.com" target="_blank">google.com</a><br>
<br>
Do not put the IP address of you ethx IP addresses in /etc/resolv.conf.<br>
Every machine can refer to its self as 127.0.0.1. dnsmasq is smart<br>
enough to ignore this address and not use it as an upstream dns server.<br>
I have not seen anything stating that dnsmasq will ignore the ethx IP<br>
address as a upstream dns server. Besides 127.0.0.1 address should<br>
always work on the local machine even if your networking is all screwed up.<br>
<br>
Fred<br>
<div><div></div><div class="h5"><br>
On 08/26/2011 10:29 AM, Matthias Andree wrote:<br>
> Am 26.08.2011 17:15, schrieb Jérémie SYLVAND:<br>
>> Hello<br>
>><br>
>> Thank you for your answers.<br>
>><br>
>> I have tried what you told me, in different thing :<br>
>> using resolv.conf with only 127.0.0.1<br>
>> with 127.0.0.1 and one of my ISP nameserver<br>
>><br>
>> Not using resolv.conf by the line no-resolve in the dnsmasq.conf :<br>
>> with and without this line : server=127.0.0.1<br>
>> and with all my ISP nameserver addresses<br>
>> server=89.2.0.1<br>
>> server=89.2.0.2<br>
>> server=212.30.96.123<br>
>> server=213.203.124.147<br>
>> in the dnsmasq.conf<br>
>><br>
>> And it still doesn't works<br>
>><br>
>> My logs :<br>
>><br>
>> # tail -f /var/log/messages<br>
>> Aug 26 16:55:23 fedoraserver abrtd: Corrupted or bad crash<br>
>> /var/spool/abrt/ccpp-1314370523-6770 (res:2), deleting<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7256]: exiting on receipt of SIGTERM<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: started, version 2.52<br>
>> cachesize 6000<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: compile time options: IPv6<br>
>> GNU-getopt DBus no-I18N DHCP TFTP<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq-dhcp[7293]: DHCP, IP range<br>
>> 192.168.0.180 -- 192.168.0.200, lease time 12h<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: using nameserver<br>
>> 213.203.124.147#53<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: using nameserver<br>
>> 212.30.96.123#53<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: using nameserver 89.2.0.2#53<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: using nameserver 89.2.0.1#53<br>
>> Aug 26 16:58:02 fedoraserver dnsmasq[7293]: read /etc/hosts - 3 addresses<br>
><br>
> OK, so the nameserver configuration works, but it has not logged any<br>
> queries that it would have forwarded so far - check if there are any<br>
> further down.<br>
><br>
> Please check:<br>
><br>
> - if bind-interfaces makes any difference<br>
><br>
> - possibly remove the interface configuration tying dnsmasq to eth0 just<br>
> to see if it helps<br>
><br>
> - your resolv.conf on the fedoraserver should point to the primary eth0<br>
> address<br>
><br>
> - Firewall configuration<br>
><br>
> - /etc/resolv.conf and /etc/host.conf on the clients<br>
><br>
> - possibly use wireshark or tcpdump to check port 53 traffic (possibly<br>
> check various interfaces)<br>
><br>
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