[Openswan Users] IPSEC Low Speed

[Neal Murphy]

On Monday, January 26, 2015 01:26:26 AM Hardik A Gohil wrote:
> Hello,
> 
> I am working on Openswan IPSEC implementation on Linux-kernel 2.6.35.9.
> 
> I performed speed test using iperf for IPSEC enabled kernel Image without
> enabling the ipsec service and speed is only 40 Mbps and 10 Mbps when
> acting as server and client.
> 
> Same performed on kernel Image with no IPSEC enabled in kernel i can
> measure upto 88Mbps.
> 
> Ethernet supports 100Mbps.
> 
> why speed is degraded for ipsec enabled kernel/RFS image without running
> ipsec service?

Tell us about the hardware running the kernel; maybe it cannot compute the 
IPSEC encryption any faster.