Re: weird dhclient problem
On 30 June 2011 14:13, Juan Sierra Pons <juan@elsotanillo.net> wrote:
> 2011/6/30 wolf python london <lyh19901223@gmail.com>:
>> Hey all,
>>
>> I recently upgrade my Wheezy and Sid box, and find a weird problem about
>> dhclient(package:isc-dhcp-client ).
>>
>> My boxes are in an intranet (my campus),so I want to access the stuff
>> in the intranet (ftp and http). The intranet has its own dhcp server,
>> so we can get an ip and netmask by dhclient. In my squeeze box ,
>> $dhclient eth0
>> is fine , I can then acess the ftp and http servers in the intranet.
>> But in my Wheezy and Sid boxes, it's sucks. Here is my
>> /etc/network/interfaces:
>>
>> wolf@wheezy:~$ cat /etc/network/interfaces
>> # This file describes the network interfaces available on your system
>> # and how to activate them. For more information, see interfaces(5).
>>
>> # The loopback network interface
>> auto lo
>> iface lo inet loopback
>>
>> # The primary network interface
>> allow-hotplug eth0
>> #NetworkManager#iface eth0 inet dhcp
>>
>> iface dsl-provider inet ppp
>> pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf
>> provider dsl-provider
>> iface eth0 inet dhcp
>>
>> As you can see, the last line "iface eth0 inet dhcp" means I can
>> get an ip via ifupdown and still use the dhcp to configure eth0.
>> #ifdown eth0;ifup eth0
>> Ok, its fine,ping other hosts(for example 10.20.79.1) in the
>> intranet is ok .
>> I paste the process here (http://pastie.org/2142558)
>> I cannot figure it out why the dhclient command failed though it
>> actually get and ip and netmask and the route are even the same, while
>> ifupdown is ok ?
>>
>>
>> thanks all!
>>
>>
>> --
>> ________________________
>> Yes, I use Debian GNU/L
>> wolf python london(WPL)
>> Do as you soul should do !
>> ________________________
>>
>>
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>>
>>
>
> Hi,
>
> Do you have NetworkManager installed? if so please de-install it as it
> has weird behaviour some times. :-(
>
Yes, I have NetworkManager installed here( GNOME DE). And I have use
it for a long time :-(
it's fine in Squeeze.
I'll de-install it lately :-(
> Can you provide the arp (arp -a) table too in both cases. Like you did
> in http://pastie.org/2142558
>
ok ,it's here now (http://pastie.org/2144051), and it seems that arp goes wrong
> But I think the real problem is that the right lines in your
> /etc/network/interfaces must look like:
> # The primary network interface
> auto eth0
> iface eth0 inet dhcp
>
> Please add the "auto eth0" line
>
"auto eth0" means , eth0 interfaces starts at boot time , right ? And
"allow-hotplug eth0" means, eth0 interfaces support hotplug ?
Can it affect the dhclient ?
Thanks Juan!
> Best regards
>
> Juan
> --
> Mi nueva dirección es: - My new email address is: - Mon nouveau email est:
> juan@elsotanillo.net
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>
--
________________________
Yes, I use Debian GNU/L
wolf python london(WPL)
Do as you soul should do !
________________________
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