MTU has some effect on Linux but it doesnt work:
MTU 576 with 3.6.0 (binary DL from project site): 98304 bytes get written then it stops
MTU 1400 with 3.5.3: 147.456 bytes
on a VM (VirtualBox) running on Windows 7 64bit with guest OS: Fedora 17 (LXDE variant) i get:
fedora - fz 3.5.3: 196608 bytes ("bridged network")
fedora - fz 3.5.3: 262144 bytes ("NAT")
fz 3.6.0 from project page: 311296 ("NAT")
MTU 576 with 3.6.0 (binary DL from project site): 98304 bytes get written then it stops
MTU 1400 with 3.5.3: 147.456 bytes
on a VM (VirtualBox) running on Windows 7 64bit with guest OS: Fedora 17 (LXDE variant) i get:
fedora - fz 3.5.3: 196608 bytes ("bridged network")
fedora - fz 3.5.3: 262144 bytes ("NAT")
fz 3.6.0 from project page: 311296 ("NAT")