[Udpcast] udpcast receiver options

Alain Knaff alain at knaff.lu
Thu Apr 10 01:11:20 CEST 2008


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



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