[lvs-users] LVS problem with unreachable - need to frag

[Simon Horman]

On Fri, Mar 09, 2012 at 04:30:14PM +0000, Khapare Joshi wrote:
> could it be due to i install on virtual server which mean network interface
> is shared - is that could be a bottleneck ? I am not sure how to debug this
> further.

Hi,

this may be related to IPVS not being able to handle LRO or
IPVS in older kernels not being able to handle GRO.

Please try turning off both LRO and GRO on the interface
that receives the packet(s). This can be done using ethtool.

e.g.

	ethtool -K eth0 lro off
	ethtool -K eth0 gre off