02/05/2009 1:51 PM
I'm doing an application with a Nova board that has two onboard Gigabit ethernet ports and I have run into a problem.
The network detects and works fine, however, the applicaition requires a connection to a Prosilica camera with an MTU of
around 8000. To be safe, I set the MTU of both interfeces to 9000, but the camera software reports dropped frames. The
driver for this card not seem to set the MTU correctly or it may be a problem with the hardware itself.
In order to verify this, I changed the MTU setting of the camera to 1000 (causing huge sacrifices in the framerate) and
saw that the images were arriving properly. I would likt to use this board for my application but I absouloutely need
the MTU to be around 8000
Here is a dump of ifconfig, Pci -vv is attached.
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33192
inet 127.0.0.1 netmask 0xff000000
en0: flags=80008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,SHIM> mtu 9000
inet 192.168.99.3 netmask 0xffffff00 broadcast 192.168.99.255
en1: flags=80008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,SHIM> mtu 9000
inet 10.0.0.138 netmask 0xffffff00 broadcast 10.0.0.255
Any input or comments would be appreciated.