Tom Carpenter wrote:

If I access a virtual console on the cast-o-matic PXE images I've generated, --rcvbuf is listed as a commandline option for udp-sender. The manpage for udp-sender suggests setting,

"Try playing with the settings in /proc/sys/net/core/rmem_default and /proc/sys/net/core/rmem_max, i.e. setting them to a higher value"

Does udp-receiver's "--rcvbuf" option modify rmem_default and/or rmem_max or some other value?

-Tom C.

No, the --rcvbuf options only sets the buffer for that particular socket.

rmem_max must be set separately (which is already done by the udpc_dialog program, i.e. the menu system)

Regards,

Alain