Re: SCTP sysctl /proc/sys/net/sctp/rto_min/initial/max variables

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On 11/29/2012 03:35 PM, Dilip Daya wrote:
Hi,

Testing kernel 3.2.32 x86_64 environment show the sctp sysctl variables:

  - net.sctp.rto_initial,
  - net.sctp.rto_min,
  - net.sctp.rto_max

are not overriding the hard-coded recommended values of:
- http://lxr.linux.no/linux+v3.2.34/include/net/sctp/constants.h#L276

I've confirmed the following values are correct to what I need modified:
  - /proc/sys/net/sctp/rto_initial
  - /proc/sys/net/sctp/rto_min
  - /proc/sys/net/sctp/rto_max

If I change the hard-coded values and rebuild sctp they take effect. Is
this an issue on my end or is this a sctp sysctl issue?

Thanks,
-DilipD.


Dilip

I am not sure what you mean...   Are you saying that issuing
	sysctl -w net.sctp.rto_initial=100
doesn't change the value of rto_initial shown in /proc/sys/net/sctp?

-vlad

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