[RESOLVED] network is unreachable debian 6 [ proxmox 2.3 ]

[TonyDu92]

i create a CT MACHIN with Debian 6.0 ,but when a use the command " ping google.com"
i receive " Network is unreachable "

IT'S WORK !!!
FOR THOSE WHO GET THE SAME PROBLEM :
1. edit /etc/network/interfaces and add eth0 for DHCP

auto eth0
iface eth0 inet dhcp

2. RESTART THE CONSOLE

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

please Help !!!!!!

 

[pirateghost]

Re: Can't connect ct/debian 6.0 to network

You have given no information for anyone to help you.

1. Did you assign the CT an IP or did you connect it to a VMBR?
2. If you connected to a VMBR, did you configure your network interfaces in the CT?
3. Do you have other KVM guests or CTs that are working?

Provide information if you want help. Saying 'I created a CT but it doesnt work', doesnt help anyone understand the issue. It's your environment, what have you done to it? What troubleshooting have you done?

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

this is the config that i used

 

[pirateghost]

Re: Can't connect ct/debian 6.0 to network

So you used a vmbr....
when using a vmbr with a CT, you need to manually configure the ethernet device inside the CT
With Debian you need to edit /etc/network/interfaces and add eth0
for DHCP

auto eth0
iface eth0 inet dhcp

If you were to use an IP instead of vmbr you wouldnt have to do anything, it would just work

 

[ewuewu]

Re: Can't connect ct/debian 6.0 to network

Had a similar issue with centOS a couple of weeks before.

In my case the firewall (iptables) was turned on and blocked everything.

Pls. look at this: http://www.cyberciti.biz/faq/disable-linux-firewall-under-centos-rhel-fedora/

Hope it works for you.

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

pirateghost

I tested that but i have no result

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

ewuewu
when i test what u give to me i receive that

 

[ewuewu]

Re: Can't connect ct/debian 6.0 to network

Hi TonyDu92,

what are the results of 'ifconfig' and 'route -n'?

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

for ifconfig :



for route -n :

 

[pirateghost]

Re: Can't connect ct/debian 6.0 to network

after creating the entries in /etc/network/interfaces, you need to stop and start the networking service.

until networking has been restarted, you will not see an interface in ifconfig.

there is no firewall enabled by default in debian, so iptables is not the issue.

once your interfaces file has been modified, just reboot it to make sure all services are working properly.

 

[TonyDu92]

Re: Can't connect ct/debian 6.0 to network

THANK YOU ! IT'S WORK !!!
FOR THOSE WHO GET THE SAME PROBLEM :
1. edit /etc/network/interfaces and add eth0
for DHCP
auto eth0
iface eth0 inet dhcp

2. RESTART THE CONSOLE