[ILUG] Re: [Q] Max number of TCP(?) packets without waiting for an ACK(?)

Paul Mullen mullen.paul at gmail.com
Thu Dec 11 12:18:34 GMT 2008


Brian Foster wrote:

<snip>

|[ ... ]
>   | You could try switching to reno with
>   |
>   | 	echo reno > /proc/sys/net/ipv4/tcp_congestion_control
>   |
>   | but it's not clear to me why Cubic would cause the issue you're talking
>   | about.
>
>  I can't seem to?:
>
>     $ cat  /proc/sys/net/ipv4/tcp_available_congestion_control
>     cubic reno
>     $ sudo echo reno > /proc/sys/net/ipv4/tcp_congestion_control
>     bash: /proc/sys/net/ipv4/tcp_congestion_control: Permission denied
>     $
>
>   
you can't run sudo like this.

what is does is run echo as root and that redirect that as your normal
user. I'm sure there is a way to do it with sudo but it's easier to
"sudo -i" and then run the command from the resulting root shell.
>  does something have to be shut down first?  what, how, and
>  how do I then restart it?  (I'm *NOT* a networking person!)
>
> cheers!
> 	-blf-
>
>   

Paul.




More information about the ILUG mailing list