search for: tcp_moderate_rcvbuf

Hi list (and happy new year), I'm experiencing some troubles using Samba (4.1.17 debian version) over VPN. Basically we've following setup : PC === LAN ===> VPN (WAN) ==== LAN ===> Samba file Server Copying big (say > 1MiB) files from PC to Samba file server almost always ends up with a NT_STATUS_IO_TIMEOUT error (or "a network error occured" if trying to copy from

...apers off to the 15-40MB/sec until the dd finishes. Things I have tried (installed on the host and the guests) net.core.rmem_max = 16777216 net.core.wmem_max = 16777216 net.ipv4.tcp_rmem = 4096 87380 16777216 net.ipv4.tcp_wmem = 4096 65536 16777216 net.ipv4.tcp_no_metrics_save = 1 net.ipv4.tcp_moderate_rcvbuf = 1 # recommended to increase this for 1000 BT or higher net.core.netdev_max_backlog = 2500 sysctl -w net.ipv4.tcp_congestion_control=cubic Any ideas? -- --tmac RedHat Certified Engineer #804006984323821 (RHEL4) RedHat Certified Engineer #805007643429572 (RHEL5) Principal Consultant, RABA...

..._________________ sysctl.conf: net.core.rmem_max = 65536 net.core.wmem_max = 65536 net.core.rmem_default = 32768 net.core.wmem_default = 32768 net.ipv4.tcp_rmem = 4096 32768 65536 net.ipv4.tcp_wmem = 4096 32768 65536 net.ipv4.tcp_mem = 4096 32768 65536 net.ipv4.udp_mem = 4096 32768 65536 net.ipv4.tcp_moderate_rcvbuf = 1 net.ipv4.tcp_sack = 1 net.ipv4.tcp_dsack = 1 ______________________________________________ smb.conf: socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE max xmit = 32768 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application...

...e.rmem_max = 65536 > net.core.wmem_max = 65536 > net.core.rmem_default = 32768 > net.core.wmem_default = 32768 > net.ipv4.tcp_rmem = 4096 32768 65536 > net.ipv4.tcp_wmem = 4096 32768 65536 > net.ipv4.tcp_mem = 4096 32768 65536 > net.ipv4.udp_mem = 4096 32768 65536 > net.ipv4.tcp_moderate_rcvbuf = 1 > net.ipv4.tcp_sack = 1 > net.ipv4.tcp_dsack = 1 > ______________________________________________ > > smb.conf: > > socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE > max xmit = 32768 If I understand all of these correctly, you're basically cutting down all...