>Just wandering around the kernel, and it seems that if "COMPAT_42" is defined
>(which is everywhere), then UDP checksumming is switched off.  This seems a
>Bad Thing (tm), especially on this wonderful Internet of ours :-(
>
>What would happen if it were turned on by default in the distribution?  Would
>NFS stop working to Suns, or will it ignore the checksum if the field is 0?

SunOS 4.1.x Suns have UDP checksums turned off by default, so it's not very
likely that NFS will stop working to them (-:

I usually turn them on in my home SPARCstation-1 clone and on a target Sun if
I expect to do NFS over my PPP link, but otherwise I live happily without 'em.

	- Greg

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