On Sun, 2006-01-29 at 19:56 +0000, Nix wrote:
> Further info, possibly in support of your suggestion, possibly not: the
> problem does *not* occur with NFS-over-TCP. So it's specific to UDP,
> this hardware (perhaps motherboard or network card, see the .config
> diff), *and* NFS. Other UDP stuff (e.g. DNS) gets through fine in both
> directions; NFS works with TCP; and the whole lot worked before the
> hardware was changed.
If it works with TCP but not UDP, then the problem is usually either a
NIC driver issue, or a lossy network.
Comparing with DNS is not really useful, because NFS over UDP uses much
larger packet sizes (32k usually) which causes heavy use of
fragmentation.
Cheers,
Trond
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