Re: slow tcp acks on loopback device

2005-07-22 Thread Steve French
> TCP_NODELAY does not control ACK generation, instead it modifies > the Nagle algorithm behavior when sending data packets. Looks like RHEL4 had an odd default smb.conf on the server side - the RedHat smb.conf seems to set SO_RCVBUF and SO_SNDBUF to 8K (reducing them from their default). This se

Re: slow tcp acks on loopback device

2005-07-22 Thread David S. Miller
From: Steve French <[EMAIL PROTECTED]> Date: 22 Jul 2005 14:56:59 -0500 > Noticing that the loopback device (at least on RHEL4) has an unfortunate > mtu size 16384 (which is about 50 bytes too small for SMB read > responses), I did try increasing the MTU slightly. Changing that to > 18000 did avo