On Monday 17 Mar 2014 12:00:10 Mauro Santos wrote: > I suspect we might have been talking about 2 different things all along. > What I and Arnaud have been talking about is the tap interface on the > host, not the interface inside the container, which of course should be > properly configured by the OS inside the container. > > The OS inside the container has no way to bring the tap interface on > the host up so there would be no network connectivity even though the > interface on the container side was properly configured and brought up. That would indeed make sense, but when I asked about this: On Wednesday 12 Mar 2014 17:32:27 arnaud gaboury wrote: >> In that case, I'm curious to find out if you find that setting the host0 >> interface up in the container also brings the vb-dahlia interface up on >> the host? > > On container : > > gab@dahlia ➤➤ ~ % ip addr > 2: host0: <BROADCAST,ALLMULTI,AUTOMEDIA,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast state UP group default qlen 1000 > link/ether 56:84:f7:39:43:c7 brd ff:ff:ff:ff:ff:ff > inet 192.168.1.94/24 brd 192.168.1.255 scope global host0 > valid_lft forever preferred_lft forever > inet6 fe80::5484:f7ff:fe39:43c7/64 scope link > valid_lft forever preferred_lft forever > > gab@dahlia ➤➤ ~ # ip link set dev host0 down > gab@dahlia ➤➤ ~ % ip addr > 2: host0: <BROADCAST,ALLMULTI,AUTOMEDIA> mtu 1500 qdisc pfifo_fast > state DOWN group default qlen 1000 > link/ether 56:84:f7:39:43:c7 brd ff:ff:ff:ff:ff:ff > inet 192.168.1.94/24 brd 192.168.1.255 scope global host0 > valid_lft forever preferred_lft forever > > Now looking on host : > gabx@hortensia ➤➤ ~ % ip addr > 4: vb-dahlia: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc > pfifo_fast master br0 state DOWN group default qlen 1000 > link/ether 8e:a4:c3:8c:cc:89 brd ff:ff:ff:ff:ff:ff > inet 192.168.1.94/24 brd 192.168.1.255 scope global vb-dahlia > valid_lft forever preferred_lft forever > inet6 fe80::8ca4:c3ff:fe8c:cc89/64 scope link > valid_lft forever preferred_lft forever > > > It was UP before I brought vb down. So you have your answer : yes. ...buy maybe it doesn't work the other way---bringing the interface up after boot? Anyway, this was just a matter of curiosity for me, really. I'm glad you guys got things working the way you wanted. Paul
