On Sat, 2010-01-30 at 14:16 +0100, Dominik Schulz wrote: > Hi, > I'm currently evaluating LXC as an alternative to other contextualisation > technologies, and I have the problem that network connections between the > container and the host on which it is running are very slow (about 35 kbit/s) > wheras connections to other system can exploit the full connection speed.
> Is this a known issue or is someting wrong with my configuration? > The relevant snippet of my lxc config: > lxc.network.type = veth > lxc.network.flags = up > lxc.network.link = br0 > lxc.network.name = eth0 > lxc.network.mtu = 1500 > My Bridge (br0) has an MTU of 1480, could that be the problem? That certainly could be a contributing problem with large packets from the container to the host being fragmented but PMTU discovery should address that. You might also try macvlan instead of veth. Some people prefer it although I've had problems with it on some kernel revs with host to guest connections. Mike -- Michael H. Warfield (AI4NB) | (770) 985-6132 | m...@wittsend.com /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/ NIC whois: MHW9 | An optimist believes we live in the best of all PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it!
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