> At a VERY rough guess, it's ignoring the nak from the remote end
> because the the MRU requested by the remote end is equal to 1500 (and
> not strictly less than). I believe this is a bug - it should happily
> accept the default MRU.

Ah... yes, I think you're right, and I agree that it's a bug.

> Try the attached patch file. (no guarantees).

It worked great, thanks! Perhaps you could send a PR with the bug and
patch?

Name: Dave Huang     |   Mammal, mammal / their names are called /
INet: khym@bga.com   |   they raise a paw / the bat, the cat /
FurryMUCK: Dahan     |   dolphin and dog / koala bear and hog -- TMBG
Dahan: Hani G Y+C 21 Y++ L+++ W- C++ T++ A+ E+ S++ V++ F- Q+++ P+ B+ PA+ PL++