[PVE-User] strange ping issue.

[Muhammad Yousuf Khan]

Any help guys ?

On Mon, Oct 17, 2016 at 6:41 PM, Muhammad Yousuf Khan <sirtcp at gmail.com>
wrote:

>  i have recently installed debian 8.x LXC container on my 4.x Proxmox
> server. however i found a strange problem. my container can ping local net
> without any problem. like my container ip is 10.51.100.134 so i can
> 10.51.100.8 and other nodes successfully. however when i try to ping google
> i can not make it work. i am sure that nothing is blocking the traffic.
> even i can see echo reply packet on Proxmox host and on firewall too that
> nothing is blocking the traffice but on Guest LXC container it shows that
> INTERNET is not working here is the result of my proxmox host.
>
> 18:32:48.821877 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 7, length 64
> 18:32:48.822999 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 7, length 64
> 18:32:49.829851 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 8, length 64
> 18:32:49.831079 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 8, length 64
> 18:32:50.837884 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 9, length 64
> 18:32:50.838963 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 9, length 64
> 18:32:51.845981 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 10, length 64
> 18:32:51.847082 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 10, length 64
> 18:32:52.853941 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 11, length 64
> 18:32:52.855016 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 11, length 64
> 18:32:53.862228 IP 10.51.100.134 > 110.93.194.226: ICMP echo request, id
> 1307, seq 12, length 64
> 18:32:53.863357 IP 110.93.194.226 > 10.51.100.134: ICMP echo reply, id
> 1307, seq 12, length 64
>
> you guys can see my proxmox box can receive echo reply but my guest
> doens't show it.
>
> i tried everything. i checked firewall rules and enable forwarding. but
> nothing helped. can anyone please suggest something
>
> Thanks,
> Yousuf
>