Hi Kirill, > can you check this one please: > http://bugzilla.openvz.org/show_bug.cgi?id=460 thx. I can´t find any value for /proc/sys/net/ipv4/ tcp_max_tw_buckets_ve and changing /proc/sys/net/ipv4/ tcp_max_tw_kmem_fraction to 256 did not solve this problem. Regards, Thomas