Daniel Lezcano wrote: > Michael B. Trausch wrote: >> Hello, >> >> I am running LXC version 0.6.5, with kernel 2.6.32.7. I am having some >> pretty significant troubles getting networking to reliably work with the >> containers. That is to say, the host name is doing just fine, and >> answers network requests all the time. However, the containers >> sometimes fail to respond to network for requests for several seconds >> and several connection attempts. This isn't a problem in that it's >> rejecting connections on the ports specifically; it's as if there is no >> machine on my network with the IP address assigned to the container, >> until it comes alive again and answers the network. >> >> If I work with a container after getting a connection, I can reach that >> container for several minutes (usually---sometimes it will cut off a >> connection, though, and then it is again as if that IP address doesn't >> exist on my network). >> >> I'm out of options as far as getting this working: This network >> configuration works with containers under OpenVZ or full virtual >> machines in KVM, where the virtualized network cards are attached to the >> bridge. The IP configuration is handed out by DHCP, (except for my >> public IP addresses, which are manually assigned) and the IP addresses, >> netmasks, default routes, gateways, broadcast addresses, and so forth >> are all correct. Nonetheless, the networking is *extremely* unreliable. >> >> I don't know how to provide additional information to attempt to work >> through a problem like this; any guidance in this area would be greatly >> appreciated. >> > Mmh, hard to answer. > > Can you give the following information: > > * how many containers are running on the host ? > > For the host and the containers: > * 'ip addr show' > * ip neigh show > * 'brctl show' > > And a tcpdump : > > tcpdump -i any dst or src <containerip> > > And then try to ping or connect to/from the container to make tcpdump > show something. >
Oh ! I forgot the container configurations too, please. ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users