On Tue, 15 Sep 2009, Christopher Smith wrote: > I have a somewhat weird (at least to me) problem with an > LVS-DR setup that has some Windows 2003 RealServers. > > Firstly, this whole setup is VMs running inside an ESXi > 4.0 host, in case that sets of anyone's alarm bells up > front.
Well, there is a standard networking problem with at least one VM but I would have hoped it would be fixed by now. Have a look in the HOWTO before bothering with what may be nonsense below. > Then it just continues with the 'need to frag' messages indefinitely. does the otherwise normal TCP service encapsulate packets? > I had a bit of a look around on Google and the list > archives, but all the postings I could find were referring > to using LVS-TUN, not LVS-DR. > Has anyone seen this problem before ? I'm assuming it has > something to do with the larger data transfers of the > DICOM association needing packets to fragment, but the > smaller HTTP requests do not, but surely that shouldn't be > a problem with all hosts on the same vlan ? The LVS-Tun MTU problem is solved, at least for LVS (but not for Linux networking in general). You could just try it blind - ie without any understanding of the problem - reducing the MTU using the same methods as for LVS-Tun. Joe -- Joseph Mack NA3T EME(B,D), FM05lw North Carolina jmack (at) wm7d (dot) net - azimuthal equidistant map generator at http://www.wm7d.net/azproj.shtml Homepage http://www.austintek.com/ It's GNU/Linux! _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
